bmc performance manager express for emc disk arrays 2.0

BMC Performance Manager Express for EMC Disk Arrays 2.0.01Version 2.0.01
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BMC Performance Manager Express for EMC Disk Arrays
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Table of Contents ...........................................................................................................................13The Product
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What's New · The new Time Since Last Activity parameter reports the number of days since the last read or
write operation has been observed on the monitored LUN.
· The Transfer Byte Rate parameter was added to the application classes SEN_EMC_ARRAY, SEN_EMC_DISKGROUP, SEN_EMC_STORAGEPOOL_CLAR, SEN_EMC_STORAGEPOOL_SYMM, SEN_EMC_PHYSICALDISK, and SEN_EMC_VOLUME.
Changes and Improvements · The parameter Current Owning Storage Processor was renamed Current Controller.
Fixed Issues · The Read Operations Percentage and Write Operations Percentage parameters were not
properly displayed for the controllers.
Overview
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BMC Performance Manager Express for EMC Disk Arrays is an agent-less Performance Manager for the BMC Portal environment. It allows you to automatically discover and monitor every aspect of EMC disk arrays, from the general health of the array to the performance of the LUNs and from the file systems space usage to the mirroring and snapshots mechanisms latency; and to consolidate diverse monitoring needs within the Portal framework through a single solution.
To setup a complete monitoring of the disk array, we strongly recommend you to also use BMC Performance Manager Express for Hardware that covers all the physical aspect of the disk array (status of the disks, ports, temperature, power supplies, power consumption, etc).
Being a Performance Manager specifically designed for BMC Portal, BMC Performance Manager Express for EMC Disk Arrays uses the Portal’s web-based interface and features for installing, managing and monitoring your infrastructure.
Getting Started
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This chapter describes the prerequisites and the procedures you must perform before installing BMC Performance Manager Express for EMC Disk Arrays. Please follow the given instructions carefully in order to ensure a successful integration of the solution within the Portal environment.
Minimum Requirements
The computer on which you install BMC Performance Manager Express for EMC Disk Arrays should already have:
1. BMC Performance Manager Portal version 2.5.00
2. Access to an RSM i.e. Remote Service Monitor
The RSM program must be installed on a Windows platform. This can either be same as the server where the Portal is installed or, any other Windows computer on the network.
Once you install BMC Performance Manager Express for EMC Disk Arrays, you can add as many elements as you require in your monitoring environment.
Enabling the statistics
On EMC Clariion and VNX storage systems, the statistics need to be enabled to allow BMC Performance Manager Express for EMC Disk Arrays to collect statistics and to monitor performance.
Using Navisphere
· Open Navisphere
· Click Properties.
· Be sure SP A and SP B are in the Storage Processors section
· Click the box for Statistics Logging under the Configuration section
2. For locally attached CLARiiONs, check if authorization info is present
3. Run the dv command from EMC TestSMIProvider. Make sure all arrays are discovered without any errors
4. Make sure performance is turned on in the Profile for storage arrays
5. Make sure there are instances for the CIM_BlockStorageStatisticalData class:
· Run Tek-Tools testProvider or EMC’s testSMIProvider
· Type ein for command
· If no instances are returned, reset EMC Provider
6. Once complete, resume steps 1-3.
If you are using a version older than SMIKit 6.4.2, the EMC SMI-S Provider does not recognize changes in the array when a LUN or RAID Group is created or deleted from Navisphere. It is thus recommended to upgrade your EMC SMI-S Provider to version 6.4.2 or higher to benefit from the auto-synchronization mechanism set by default to one hour after the last update. If you do not upgrade your EMC SMI-S Provider, you will have to run the refsys command from testsmiprovider each time you create or delete LUN or RAID groups from Navisphere.
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Using Unisphere
1. Log on to the Unisphere console with the administrator’s account
Logging in to the Unisphere Console
2. Select the array from the System List
Selecting the array from the System List
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Enabling Statistics Logging
· Check the Enable Statistics Logging box
· Click Apply
The BMC Performance Manager Express for EMC Disk Arrays package
The file required for:
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· the installation of BMC Performance Manager Express for EMC Disk Arrays is BPM-Express- EMC-DiskArrays-<version>.par. This file is valid for installation on Windows, UNIX and Linux.
· the integration of BMC Performance Manager Express for EMC Disk Arrays with BMC ProactiveNet Performance Management is BPM-Express-for-EMC-DiskArrays-<version>- PM2BPPM.zip.
Please contact your BMC sales representative to purchase the license to use this product. The product package is to be downloaded from the Sentry Software website on the BMC Performance Manager Express for EMC Disk Arrays product page. A trial version is available for free from the Sentry Software website.
How it works
Once BMC Performance Manager Express for EMC Disk Arrays is installed in your Portal environment:
1. To start up the monitoring, add its corresponding application class to an element or element profile. The BMC Performance Manager Express for EMC Disk Arrays application classes are listed under the Storage category
2. Fill in Properties and Credentials information and click Next
3. Set the threshold parameters
4. Click Finish to validate.
Portal level
BMC Performance Manager Express for EMC Disk Arrays is an agent-less solution designed specifically for BMC Portal. Therefore, it uses/shares/offers all the procedures, features and capabilities offered in the Portal, like Element Profile, Shared credentials, Adding/Editing/Deleting classes etc.
BPPM level
Once installed and configured in your Portal environment, BMC Performance Manager Express for EMC Disk Arrays can be integrated into BMC ProactiveNet Performance Management to detect abnormalities on your monitored environment.
EMC Disk Arrays level
· Collection interval
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Synergy with BMC Performance Manager Express for Hardware To benefit from a complete monitoring of EMC disk arrays, BMC Performance Manager Express for EMC Disk Arrays needs to be used in conjunction with BMC Performance Manager Express for Hardware.
· BMC Performance Manager Express for Hardware discovers all the physical components of a storage devices, that is: controllers, disks, power supplies, fans, network and fiber ports, and reports hardware failures on these components. Additionally, it monitors the traffic on each network and fiber port.
· BMC Performance Manager Express for EMC Disk Arrays monitors all of the performance metrics and usage statistics of your EMC disk arrays, such as file disk space usage, storage controller utilization, I/Os on the disks/controllers/volumes, etc. It continuously monitors the activity of each component and is also able to build reports on past utilization statistics.
The complete storage monitoring solution architecture is composed of the elements represented in the illustration below:
Storage monitoring solution architecture
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This chapter explains how to install and run BMC Performance Manager Express for EMC Disk Arrays for BMC® Portal.
As BMC Performance Manager Express for EMC Disk Arrays is a performance manager specifically designed for the BMC© Portal environment, it uses the Portal’s web-based interface and features for installing, managing and monitoring your Information Technology (IT) infrastructure. The full integration with BMC® Portal provides a single customizable entry point for data from multiple sources and a single view that enables you to monitor the health and performance of your infrastructure.
EMC SMI-S Provider
The solution leverages the EMC SMI-S Provider that needs to be installed on a Windows or Linux system. The following procedure explains in details how to get, install and configure EMC SMI-S Provider to enable BMC Performance Manager Express for EMC Disk Arrays to efficiently interact with it.
18EMC SMI-S Provider
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1. Install the SMI-S Provider 1. Access the EMC’s Powerlink website: https://powerlink.emc.com/
2. Log in with the User ID and Password provided by EMC’s Powerlink. If you do not have an account, you can register directly on EMC’s Powerlink website
3. Click the Support tab, and then click Software Downloads and Licensing > Downloads S > SMI-S Provider
4. Select SMI-S Provider 4.1.1.1 for SMI-S 1.4 and Download se7114-WINDOWS-x86- SMI.exe
EMC's Pow erlink W ebsite
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5. Launch the se7114-WINDOWS-x86-SMI.exe. The EMC Solutions Enabler with SMI X86 welcome page appears prompting you to install Solutions Enabler with SMI version x.x.x.
6. Click Next.
EMC Solutions Enable w ith SMI X86 — W elcome Page
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7. Click Next to begin the installation.
8. The Destination Folder dialog box opens and prompts you to select an install directory for Solutions Enabler and EMC SMI-S Provider. It is recommended that you choose the default directory.
EMC Solutions Enable w ith SMI X86 — Installation Directory
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9. Click Next to continue. The Provider list dialog box opens.
10. Select both Array Provider and Host Provider.
EMC Solutions Enable w ith SMI X86 — SMI Providers List
11. Click Next to continue. The Ready to Install Program dialog box opens.
EMC Solutions Enable w ith SMI X86 — Start Installation
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12. Click Install to begin installing files to your selected folder. This may take several minutes.
13. When the Installation Wizard Completed dialog box opens, click Finish to complete the setup.
When the installation procedure is completed, update your environment variable for path to include the Solutions Enabler installation directory, which by default is C:\Program Files\EMC\SYMCLI\bin, in order to run the command line utilities from any directory.
2. Add CLARiiON Disk Array to the Installed SMI-S Provider 1. Navigate to the C:\Program Files\EMC\SYMCLI\storbin and run TestSmiProvider.exe
2. For connection type, type ssl
3. For Host, type enter
4. Repeat the operation for Port, Username, Password, Log output to console and Log output to file:
type addsys type y (yes) type 1 (Default for CLARiiON) type xxx.xxx.xxx.xxx (SPA IP Address of the CLARiiON array) type xxx.xxx.xxx.xxx (SPB IP Address of the CLARiiON Array)
type enter type 2 type 2 type the username (type a user that has at least a read access on the CLARiiON Array) type the password (password of the above user)
then type enter
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5. A message meaning that the CLARiiON Array has been added is displayed as shown on the picture below
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3. Add a User to SMI-S provider 1. Access https://<ip-host>:5989/ecomconfig, where <ip-host> is either the IP address of the
name of the SMI-S Provider host
2. Log in using the username admin and #1Password as password.
3. Click Add User and create a user with the role of Administrator. This newly created username can now be used to obtain access to the Array Provider.
4. Add authorization information 1. Shut down the EMC CIM Server: (The service name is ECOM.exe and it displays as ECOM in the
Services control panel.)
2. Use the SYMCLI symcfg command, as shown in the following syntax example, to add the username and password for each CLARiiON storage processor: >symcfg authorization add -host HostName -username UserName -password PassWord
3. Add authorization for CLARiiON storage processor A with IP address <ip1>, username clariion and password clarpass, using the following command: symcfg auth add -host 172.23.193.86 - username clariion -password clarpass
4. Then, repeat the operation with CLARiiON storage processor B
You must list the information for storage processor A first, then storage processor B. Any time a locally-attached CLARiiON is added to the EMC SMI-S Provider, the EMC CIM Server must first be shut down. Once shut down, the authorization information can be added as described previously and the EMC CIM Server must be restarted.
5. Start EMC CIM Server.
The time set on the SMI-S Provider may differ from the time of the PATROL Agent. To ensure an accurate time information, it is recommended to synchronize the SMI-S Provider time with the time set on the PATROL Agent.
Supported Platforms
BMC Performance Manager Express for EMC Disk Arrays supports the following EMC Symmetrix, CLARiiON and VNX arrays:
Supported EMC Symmetrix arrays · EMC Symmetrix DMX™Series (DMX-4, DMX-3, DMX-2)
· EMC Symmetrix V-Max Series
Supported EMC CLARiiON arrays · EMC Clariion CX4 Series, CX3 Series, CX Series
Supported EMC VNX · EMC VNX series
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Installing BMC Performance Manager Express for EMC Disk Arrays Uploading BMC Performance Manager Express for EMC Disk Arrays to BMC Portal 1. Place the BPM-Express-EMC-DiskArrays-<version>.par file in a known location on your file
system. Log in to the Portal with administration rights.
Logon to the BMC Portal
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2. Click on Portal, then under Tasks click Performance Managers.
Selecting a Performance Manager
3. Click Upload and then click Browse to open a file selection dialog box.
4. Select BPM-Express-EMC-DiskArrays-<version>.par and click Upload.
5. The Portal uploads the PAR file to the database, and BPM Express EMC Disk Arrays now appears as BMC Performance Manager Express for EMC Disk Arrays by Sentry Software in the list of Performance Managers.
6. The word Published next to BMC Performance Manager Express for EMC Disk Arrays in the Performance Manager list indicates that the product is successfully installed. You are now ready to begin using BMC Performance Manager Express for EMC Disk Arrays.
7. In the Portal Configure tab, verify each monitored array's properties and thresholds values to make sure all the necessary settings are properly configured.
27Adding BMC Performance Manager Express for EMC Disk Arrays to an Element Profile
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Adding BMC Performance Manager Express for EMC Disk Arrays to an Element Profile 1. Log in to the Portal with normal user credentials.
2. Click Configure tab > Element Profiles. The Available Profiles page appears. Select the Profile to which you wish to add the Storage class > Edit.
Selecting a Profile
3. The selected Element Profile’s Properties page appears. Go to Application Classes > Add.
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Adding Application Classes
4. The Element Profile Properties – Add Application Classes page appears. Choose Storage from the Select Category drop-down list.
Selecting the Storage Applicable Class
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5. Select the application class applicable to your system and click Next.
6. On the Properties and Credentials page, enter the information required for monitoring the
disk array:
Input Properties Description
Collection interval Select the polling interval from the drop-down list. Unit: Minutes.
The collection interval should be equal to or higher than the SMI-S provider refresh rate to prevent "No Data" values to be displayed in Portal.
Credentials Enter the login and password used to connect to the remote element through WMI.
Hostname Enter the Hostname or IP address of the remote machine
Debug Mode "Yes" enables the debug mode. The debug output produced is stored on the RSM server in a file located at "%RSM_HOME%/RSM(xx)/server/rsm/log/sen*_debug.log".
Please do not leave the debug mode enabled for too long as the debug file may grow indefinitely.
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7. Click Next. You arrive at the final step for adding the BMC Performance Manager Express for EMC Disk Arrays application class: Thresholds, Properties and Credentials.
8. Thresholds are automatically set by BMC Performance Manager Express for EMC Disk Arrays. It is recommended to keep the default thresholds (or see the Thresholds section). Click Finish.
Element Profile Properties
9. Click Done to save the changes made. The BMC Performance Manager Express for EMC Disk Arrays application class is now added to all the elements in the selected Element Profile.
31Adding the EMC Disk Arrays Application Class to an Existing Element
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Adding the EMC Disk Arrays Application Class to an Existing Element 1. Log in to the Portal with normal user credentials.
2. In the Configure tab: Click the Element to which you wish to add the EMC Disk Arrays solution and the Element Properties page appears. Scroll down to Application Classes > Add. Make sure that the element's platform is defined as Storage.
Adding an Application Class
3. On the Properties – <Element> – Add Application Classes page > Select Category > Storage.
4. In the available Application Class list, select the application class applicable to the element and click Next.
Application Class Properties
32Adding the EMC Disk Arrays Application Class to an Existing Element
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4. The Properties and Credentials page appears asking for the information required for monitoring the disk array. Enter the WBEM username and password valid on the EMC SMI-S provider. These credentials must have been previously configured in the EMC SMI-S provider as described in the EMC SMI-S Provider section.
5. Thresholds are automatically set by BMC Performance Manager Express for EMC Disk Arrays. It is recommended that you leave the default thresholds as they are. Click Finish. Details on how to modify thresholds are given in the User Guide.
You can now return to the Status tab to view the monitoring of the element by BMC Performance Manager Express for EMC Disk Arrays.
Integrating with BMC ProactiveNet Performance Management
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Overview
To integrate a Performance Manager into BMC ProactiveNet, you need to first install and configure the solution in BMC Portal, automatically enable the application classes and create a specific adapter. An adapter for BMC Portal facilitates pulling of performance data from existing BMC Portal solutions into BMC ProactiveNet. Using an Adapter, you can import BMC Portal application classes (provided in a Performance Manager – PM) into BMC ProactiveNet. The Adapter periodically synchronizes the performance data collected by these application classes into BMC ProactiveNet.
Integration w ith BMC ProactiveNet Performance Management
Automatically Enabling the Application Classes To automatically enable application classes:
1. Uncompress the BPM-Express-for-EMC-DiskArrays-<version>-PM2BPPM.zip file
2. Copy all the BPM_SENTRYSOFTWARE-EMC-DISKARRAYS-SOLUTIONSEN_EMC_MAIN xml files into: <BPPM install dir>\ProactiveNet\pw\pronto\systdata\adapter-defaults
3. Restart the BMC ProactiveNet server
You will then have to create and import an adapter for a BMC Portal PM
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Creating and Importing an Adapter for a BMC Portal Solution
Creating an Adapter for a BMC Portal Solution 1. Open the BMC ProactiveNet Administration Console. The BMC ProactiveNet Administration
Console is displayed as shown in the following figure:
Accessing the Administration tab in the Administration Console
36Creating and Importing an Adapter for a BMC Portal Solution
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2. Right-click the Adapters folder and select Import Monitor Types and Add Adapter > BMC Portal.
Importing Monitor Types and Adding Adapter
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Setting the connection parameters
· In the Instance Name field, enter a name for this instance of the Adapter that will perform the integration of the ‘targeted PM’ into BMC ProactiveNet.
· Select the Agent where this instance of the Adapter will be executed
· Enter the required information to connect to BMC Portal: BMC Portal Host Name or IP address, Port, BMC Portal User Name and Password
To successfully integrate the PM with BMC Proactivenet, the BMC Portal User Account specified must have at least been used once to log in to BMC Portal and have the EMC Disk Arrays Application Class added to an existing element.
· Enter the required information to connect to BMC Portal Datastore: BMC Portal Datastore Host Name or IP address, Port, and credentials
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Selecting the Application Classes to import
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5. Select the application class to import and click Next
6. Set the Filter details if needed.
Setting filter details
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8. Set the Auto-sync poll scheduling, if needed.
Scheduling Auto-sync polls
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9. Click Next to continue. The system displays a summary of your settings, click Finish to confirm. The Adapter has been added to the Adapters folder of the Administration Console.
Adapter added to the Adapters folder
10. To see the class instances that have been imported by the Adapter, expand the Adapters folder, right-click the Adapter and select Details.
We strongly recommend that you create a specific adapter for each PM you need to integrate into BMC ProactiveNet to enable the update of a single PM independently.
Once created and imported, the Adapter will be displayed in the Devices folder of the BMC ProactiveNet Operations Console.
Managing Baselines and Key Performance Indicators In order to facilitate the detection of abnormalities on your monitored environment, BMC ProactiveNet calculates baselines per parameter (metrics or attributes) based on values collected over a specified period of time to determine a normal operating range. When the collected values for these parameters are out of range, an alert is triggered.
Some parameters are identified by default as Key Performance Indicators and therefore automatically included in the base lining calculation.
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Managing baselines
The baseline is the expected normal operating range for a metric or attribute of a monitor.
The baseline is calculated by collecting the values for a monitor’s attributes and metrics over a specified time period and establishing a low baseline value (consisting of the 10th percentile of all the values for a given time period) and a high baseline value (consisting of the 90th percentile of all the values for a given time period), taking a weighted average of these values over time. A higher weight is given to the latest data being factored into the baseline average. The accuracy of the baseline improves over time.
Requirements for baseline generation
For baselines to be generated for an attribute, that abnormality threshold means that the threshold exists and is not suppressed. Additionally, if the Key Performance Indicator (KPI) mode is active, only those attributes that have an active abnormality threshold and are also KPI attributes will have baselines generated for them.
Absolute thresholds (with "outside baseline") or signature thresholds do not satisfy these requirements.
Managing Key Performance Indicators
The KPI attribute of a parameter can be activated or deactivated manually through the BMC ProactiveNet Administration Console. In this PM, some parameters or attributes have been designated as important indicators of performance (KPIs). We do not recommend that these default settings are modified.
However, advanced users may activate or deactivate KPIs from the BMC ProactiveNet Administration Console.
To add or remove Key Performance Indicator (KPI) attributes for a monitor type
1. In the Administration Console, from the menu bar, choose Tools > KPI Administration. The KPI Administration dialog box is displayed.
2. From the Monitor Type list, choose the monitor type for which you want to add or remove KPI attributes. A list of attributes for the selected monitor type is displayed.
3. In the KPI column for the attributes that you want to add or remove as Key Performance Indicators:
· select the KPI check box to add the corresponding attribute as a KPI
· deselect the KPI check box to remove the corresponding attribute from the KPIs for that monitor type
For complete and detailed information on this procedure, please refer to the BMC ProactiveNet documentation available from BMC Web site.
43Managing Baselines and Key Performance Indicators
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Parameters for which the system by default calculates baselines as well as parameters considered as KPIs are respectively identified by the following icons:
· Baselining
· KPI
Un-installing
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The procedure is the same as for any other Performance Manager installed on the Portal:
1. Delete all BMC Performance Manager Express for EMC Disk Arrays application classes from all elements and element profiles
2. Remove BMC Performance Manager Express for EMC Disk Arrays from the Performance Manager list of the Portal.
The BMC Performance Manager Express for EMC Disk Arrays cannot be un-installed unless all its application classes are removed from each element.
Deleting Application Classes from an Element An application class can be deleted from an element in two ways, just as it could be added through two routes: through Elements or through Element Profile.
If the element was created directly through Elements:
1. Click in the Configure tab > Properties > click on the element.
2. In the Application classes section > click Delete.
3. The Available Application Classes for Removal page appears.
4. Select the BMC Performance Manager Express for EMC Disk Arrays application classes and click Next. It is possible to select more than one at a time.
5. A Changes Saved message appears, confirming that the deletion has been done.
Repeat this procedure on all elements to which BMC Performance Manager Express for EMC Disk Arrays application classes are added.
Deleting Application Classes from an Element Profile An application class can be deleted from an element in two ways, just as it could be added through two routes: through Elements or through Element Profile.
If the Element Profile route was used click on Configure tab > Element Profile > select Profile > Edit.
46Deleting Application Classes from an Element Profile
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1. Once in the Element Profile Properties page, scroll down to the Application Classes section and click on Delete.
2. On the Available Application Classes for Removal page, select all the BMC Performance Manager Express for EMC Disk Arrays classes and click Next.
3. Confirm the deletion of the selected classes by clicking on Delete.
4. A Changes Saved message pops up confirming the deletion of the application classes from this element profile.
The selected application classes will be deleted from all elements that were created using this element profile.
Removing BMC Performance Manager Express for EMC Disk Arrays from the Portal To un-install or remove BMC Performance Manager Express for EMC Disk Arrays from the Portal, you follow the same steps as for any PM on the Portal.
1. Log in with super-administrator credentials and click on Portal > Performance Managers.
2. Ensure the Performance Managers list shows “0” Elements next to the name: BMC Performance Manager Express for EMC Disk Arrays.
3. Select BMC Performance Manager Express for EMC Disk Arrays and click Delete.
4. Confirm deletion of the selected Performance Manager by clicking on Delete.
5. A message displaying successful deletion appears.
For a complete un-installation, it is recommended to remove all traces of the performance manager from the Portal. Delete the BMC Performance Manager Express for EMC Disk Arrays PAR file from each RSM used by the solution. To do so:
1. Stop the RSM service
2. Go to %RSM_HOME%\RSMxx\server\rsm\solutions
3. Delete the file: BPM-Express-EMC-DiskArrays-<version>.par
4. Restart the RSM service
The BMC Performance Manager Express for EMC Disk Arrays is then completely removed from your BMC Portal environment.
User Guide
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BMC Performance Manager Express for EMC Disk Arrays monitors all of the performance metrics and usage statistics of your EMC disk arrays, such as file disk space usage, storage controller utilization, I/Os on the disks/controllers/volumes, etc. It continuously monitors the activity of each array and is also able to build reports on past utilization statistics.
To setup a complete monitoring of the array, we strongly recommend you to also use BMC Performance Manager Express for Hardware that covers all the physical aspect of the EMC disk arrays (status of the disks, ports, temperature, power supplies, power consumption, etc).
This chapter explains how to use each monitoring tool i.e. a separate application class within the BMC Performance Manager Express for EMC Disk Arrays by Sentry Software solution.
BMC Performance Manager Express for EMC Disk Arrays is a Performance Manager specifically designed for BMC Portal; consequently, it uses the same common features and procedures of BMC® Portal. This document assumes that the user knows how to use the Portal and therefore explains procedures only related to BMC Performance Manager Express for EMC Disk Arrays, and not on how to add Elements, Element Profiles etc. Please refer to the BMC Portal documentation for details on how to use the Portal.
Checking Available Spare Disks
To avoid any loss of critical data, it is essential for a disk array to always maintain a pool of spare disks that can replace the faulty disk when a disk failure occurs. A disk array without any left spare disk will not be able to keep the level of data safety and performance in case of a disk failure.
The Spare Disk Count parameter of the SEN_EMC_ARRAY class reports the number of spare disks available for each disk array monitored with the solution. By default, a warning is triggered when no spare disk is available (Spare Disk Count is set to zero).
Verifying the Number of Available Spare Disks in Your EMC Disk Arrays
49Checking Available Spare Disks
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1. Select an element group in the tree view (the main Infrastructure group, for example)
2. Click the Reports tab. Create a report for the last 24 hours, bottom 50 values of the Array| Spare Disk Count parameter of the EMC Disk Arrays application class for the BMC Performance Manager Express for EMC Disk Arrays by Sentry Software solution.
Report – Available Spare Disks
Detecting Oversubscription Situations (Thin Provisioning) We call an oversubscription situation when:
1. The storage pool is configured for thin provisioning (“thin storage pool”)
2. The storage pool is oversubscribed, i.e. the total disk space visible to the hosts (subscribers) is greater than its actual capacity (this situation is normal for a thin pool since it is its very purpose)
3. The storage pool actual consumed capacity is nearing 100%
Such situation is highly critical because the inability to allocate additional space to a LUN when requested by the subscriber host will lead to catastrophic data loss and corruption.
When the conditions described above are met, the solution sets the Oversubscription Situation parameter to 1, automatically raising a warning. By default, the warning for Oversubscription Situation is issued when the Consumed Capacity Percentage parameter goes above 100%. This threshold can be configured in the input properties of the solution.
50Detecting Oversubscription Situations (Thin Provisioning)
Version 2.0.01
Configuring Oversubscription Threshold
1. Click the EMC Disk Arrays icon and then the Configure tab.
2. Edit the Oversubscription Situation Threshold (%) property to the appropriate value. When the Oversubscription Situation parameter triggers a warning, it is highly recommended that the SAN administrators add capacity to the storage pool as soon as possible.
Diagnosing Slow LUNs
If a system administrator complains that his servers are experiencing slow I/Os performance and that it is caused by the SAN, you may want to verify the actual response time of the LUNs the server is relying on.
The Response Time parameter of the SEN_EMC_VOLUME class represents the average time it took to complete the read and write operations on the LUN during the collection interval. Typically, the average response time is below 10 milliseconds. You may also want to compare this value to the response time of the other LUNs to see whether one server is really getting worse I/O performance than another.
Volume - Response Time Parameter
If the response time is low, you will need to check the amount of data that is written and read on this LUN. The bad performance may simply be due to an abnormally large amount of data to process. Otherwise, the problem is maybe between the disk array and the server, in the fiber links.
51Enabling the Debug Mode
Version 2.0.01
Enabling the Debug Mode
By default, BMC Performance Manager Express for EMC Disk Arrays sends only the most critical information, warning and error messages to the Application Collection Status parameter. Most often, this information is accurate enough to ensure that BMC Performance Manager Express for EMC Disk Arrays is functioning properly. If you encounter an issue and wish to report it to customer support, you will be asked to enable the Debug Mode and provide the debug output to the support team.
1. In the Configure tab >, under Tasks, click Elements
2. Select the Element whose debug output you require and click Edit.
3. Scroll down to Application Classes > click the Application class for which you want to enable the debug mode > click Edit.
4. Select Yes from the drop-down Debug Mode list > Save By default, BMC Performance Manager Express for EMC Disk Arrays sends its debug output to: % RSM_HOME%/RSM(xx)/server/rsm/log/sen*_debug.log".
5. Wait for 15 minutes and then disable the debug mode by selecting No.
6. Send the debug file to the support team.
Pay attention to the file size -the debug output of BMC Performance Manager Express for EMC Disk Arrays could be very large if enabled for several days.
Identifying the Hosts that can Access a LUN In most SAN configurations, each LUN belongs to a storage group whose host members are the only ones authorized to access the LUN. This is called LUN masking. For each LUN, the solution displays its WWN, the storage group to which it belongs to as well as the hosts member of this group. In most cases, identifying the storage group of a LUN is sufficient to recognize the server that is using it.
52Identifying LUNs not Owned by their Normal (Default) Storage Processor
Version 2.0.01
Identifying LUNs not Owned by their Normal (Default) Storage Processor The Owning Storage Processor parameter reports the name of the controller that handles I/Os for each LUN. If a LUN is not currently handled by its normal (default) storage processors, the name of the default controller will be indicated as SP_B (default: SP_A)”.
To identify LUNs that are not owned by their normal storage processor, you simply need to list the Volume objects where the Owning Storage Processor parameter contains the string Default.
Identifying Most Busy LUNs
To identify the LUNs that generate the most traffic on the disk array, use the Read Byte Rate and Write Byte Rate parameters of the LUN class that expose the data throughput for each LUN. Use these parameters to report on the total data traffic (per hour or per day) on each LUN in GB.
To make sure that traffic is displayed cumulatively per hour, select a time window of at least 12 hours in the graph window, select at least 7 days to visualize per day cumulative data.
1. In the Status tab, click the Volume for which you need to check the LUNs activity, then expand the LUNs object to display the Read/Write Byte Rate parameters.
53Identifying Most Busy LUNs
Version 2.0.01
Selecting a LUNs Read/W rite Byte Rate Parameter
2. Click the History icon to automatically display a graph that shows the Read/Write Byte Rate values collected for a selected parameter during the previous six hours. You can customize the chart and table to show parameter history for different time periods.
54Identifying Most Busy LUNs
Version 2.0.01
View ing a LUNs Read/W rite Byte Rate as a graph
Identifying a Storage Processor (Controllers) Overload To visualize the activity of a controller in an EMC disk array, use the Processor Utilization parameter of the SEN_EMC_CONTROLLER class. A warning is issued when the processor utilization goes too high, which means that the controllers cannot keep up with the load on the disk array. It is then important to identify what is overloading the controllers.
The Response Time parameter of the SEN_EMC_CONTROLLER class represents the average time it took the controller to process the read and write requests of the hosts. The higher the Response Time goes, the slower I/Os the servers will get. By default, the solution triggers a warning when the controller takes more than 10 milliseconds on average to complete the I/O requests and an alarm when the response time reaches 100 milliseconds.
Monitoring the Efficiency of the Caching Mechanism Each controller in an EMC disk array can be configured to use a specified amount of memory to cache the read and/or write operations. The solution reports the amount of memory configured by each controller for the read and write operations.
The Write Flush Byte Rate represents the rate in MB/sec at which data is committed to the disk (i.e. physically written). This value is to be compared with the Write Byte Rate of the disk array.
55Monitoring the Efficiency of the Caching Mechanism
Version 2.0.01
Comparing W rite Flush Byte Rate w ith W rite Byte Rate
The Cache Dirty Pages Percentage parameter represents the amount in percentage of the write cache that has been modified by host write operations and not yet flushed to the disks. Reaching 100% means that write case is too small and cannot handle the flow of write operations.
Checking the Cache Dirty Pages Percentage
Reclaiming Space of Unmapped (Unused) LUNs Over time, as servers connected to a SAN get decommissioned, administrators find an increasing number of unmapped LUNs, or volumes that are no longer used by any server. These LUNs, while unused, still occupy disk space in the disk array. Being able to identify such unmapped LUNs and reclaim the disk space uselessly consumed by these LUNs will help administrators avoid unnecessary upgrades and extensions of their disk arrays.
56Reporting a Disk Space Consumption
Version 2.0.01
Reporting a Disk Space Consumption Making sure that a disk array has enough remaining disk space available is critical for several reasons:
· SAN administrators want to make sure to be able to provision disk space for new servers when requested, as quickly as possible.
· The disk array itself may need additional disk space for specific features to work properly, like automatic snapshots, mirroring, etc.
· If thin provisioning is used, the remaining disk space becomes dramatically critical since the inability to allocate additional space to a LUN when requested by the subscriber host will lead to catastrophic data loss and corruption.
The disk space used is permanently monitored for each storage pool. The Subscribed Capacity parameter of the Pool class represents the amount of disk space that has been made available to the subscriber hosts, or in other words, the amount of disk space that is seen by the servers connected to disk array.
The Consumed Capacity parameter of the SEN_EMC_STORAGEPOOLS class represents the actual space usage in the storage pool. For thin pools (when thin provisioning is enabled on the disk array), this value is normally lower than the Subscribed Capacity, as it is the main purpose of thin provisioning. For traditional pools, the Consumed Capacity parameters has the same value as the Subscribed Capacity parameter, as the entirety of the subscribed disk space is fully allocated in the storage pool.
The Consumed Capacity Percentage parameter is the most critical one as a storage pool usage nearing 100% means that SAN administrators will not be able to create new LUNs in the storage pool. By default, no alarm or warning threshold is set on this parameter as the fullness of a storage pool may be a normal situation. However, you can set alert thresholds on this parameter as it fits your needs.
57Reporting a Disk Space Consumption
Version 2.0.01
Verifying the Available Disk Space in the Storage Pool of your EMC Disk Arrays
1. In the Configure tab , select an element group in the tree view (the main “Infrastructure” group, for example)
2. Click on the Reports tab.
3. Create a report for the last 24 hours, top 50 values of the Array|Storage Pools|Disk Group| Storage Pool|Consumed Capacity Percentage parameter of the EMC Disk Arrays application class for the BMC Performance Manager Express for EMC Disk Arrays by Sentry Software solution.
Report – Disk Space Consumption
Reporting the Total Traffic on an Hourly or Daily Basis BMC Performance Manager Express for EMC Disk Arrays not only monitors the traffic and activity of the disk array, controllers, LUNs and physical disks in MB/sec, but also in GB per hour or per day. The exact amount of data that was read or written to the disk array, LUN or physical disk is calculated for each hour of the day and each day of the week.
Each data rate parameter in MB/sec is accompanied by a non-rate one in GB. These parameters are “cumulative”: their instantaneous value has no meaning and they need to be visualized in a long period of time. (instead of Read Byte Rate or Write Byte Rate).
58Reporting the Total Traffic on an Hourly or Daily Basis
Version 2.0.01
1. Click the Status tab in Portal
2. When viewing the status of the disk array, controller, LUN or physical disk, click on the graph icon of the Read Bytes or Write Bytes parameter
Selecting a Disk Array Parameter
59Reporting the Total Traffic on an Hourly or Daily Basis
Version 2.0.01
3. Choose the 12, 24 or 48 hours timeframe to visualize an hourly report. Choose the 5 or more days timeframe to visualize a daily report
Disk Array Read Byte Graph
Setting thresholds
Whenever relevant, BMC Performance Manager Express for EMC Disk Arrays automatically sets thresholds for parameters. If you prefer a more fault-tolerant monitoring, you can modify the thresholds of each parameter through the Configure tab > Edit Thresholds.
It is strongly recommended to wait for all the storage objects to be discovered before setting threshold values to avoid having to enter thresholds for each occurrence of the application class.
To modify the parameter thresholds of several storage objects of an element:
60Setting thresholds
Version 2.0.01
1. In the Configure tab, click on the Storage (<platform>) or the instance icon > Edit
Thresholds, Properties and Credentials
Any modification to the thresholds or any other properties of elements created using the "Element
Profile" mode is to be done using the Element Profile route or by clicking "Override Profile"
2. Uncheck the Warning and Alarm boxes for all the parameters for which you want to disable the alert conditions
Disabling the default alert thresholds
61Setting thresholds
Version 2.0.01
3. Check the Warning and Alarm boxes for all the parameters for which you want to enable the alert conditions. You will then have to manually enter the threshold values and check the Active box. In the example below, a Warning will be triggered if Status is greater than 1, an alarm will be triggered when greater than 2
Modifying threshold values
4. Click Save
5. The Success, changes have been saved message indicates that the modifications have been registered.
Alerts are displayed by the parameter whose thresholds are modified.
Viewing the Overall Activity of a Disk Array In order to visualize the activity of a disk array, use the Read Byte Rate and Write Byte Rate of the SEN_EMC_ARRAY class. These parameters represent the overall traffic in megabytes per second for each monitored array, or more precisely, each EMC disk array that is exposed through the EMC SMI-S Provider (see the EMC_SMI-S_Provider section of the Installation Guide for more information about the EMC SMI-S Provider).
62Viewing the Overall Activity of a Disk Array
Version 2.0.01
1. Click the Status tab in Portal
2. Click the array icon in the tree view to visualize its current activity
Selecting a Disk Array Parameter
63Viewing the Overall Activity of a Disk Array
Version 2.0.01
3. Click the Read Byte Rate or the Write Byte Rate graph icons to visualize the activity of the disk array in the past hours or days.
Disk Array Read/W rite Byte Rate Graph
The overall activity can also be reported in GB per hour or per day (instead of MB/sec) so SAN administrators can visualize how much data has been written to or read off the disk array each hour of the day or each day of the week (see the Reporting the total traffic on an hourly or daily basis section for more information on this subject).
Reference Guide
Version 2.0.01
Application Classes
This section familiarizes you with all the Application Classes used by BMC Performance Manager Express for EMC Disk Arrays on the Portal. It gives a detailed view of each application class describing its function and parameters.
The available Application Classes for BMC Performance Manager Express for EMC Disk Arrays are:
· SEN_EMC_ARRAY
· SEN_EMC_CONTROLLER
· SEN_EMC_CONTROLLER_CONT
· SEN_EMC_DISKGROUP
· SEN_EMC_DISKGROUP_CONT
· SEN_EMC_FCPORT
· SEN_EMC_MAIN
· SEN_EMC_PHYSICALDISK
· SEN_EMC_PHYSICALDISK_CONT
· SEN_EMC_SMISPROVIDER
· SEN_EMC_SMISPROVIDER_MANAGEDARRAY
· SEN_EMC_STORAGEPOOL_CLAR
· SEN_EMC_STORAGEPOOL_SYMM
· SEN_EMC_VOLUME
· SEN_EMC_VOLUME_CONT
Baselines and Key Performance Indicators
Some parameters are identified by default as Key Performance Indicators (KPIs) and therefore automatically included in the base lining calculation. To learn more about auto baselining and KPIs, please refer to the Managing Baselines and Key Performance Indicators chapter.
In this guide, parameters flagged as KPIs and included by default in the baseline calculation process are respectively identified by the following icons:
· Baselining
· KPI
SEN_EMC_ARRAY
Parameters
66Application Classes
Version 2.0.01
Array ID Detailed information about the disk array (WWN, Serial Number, iSCSI)
n/a n/a
Available Capacity Number of terabytes available in the array TB n/a
Family Disk Array Family (CLARiiON or Symmetrix) n/a n/a
Number of Disks Number of disks available in the array n/a n/a
Read Byte Rate Count of data read per second MB/s n/a
Read Bytes Cumulative count of read bytes GB n/a
Size Size of the disk array TB n/a
Spare Disk Count Number of spare disks available in the array n/a 0 = Warning
Status Status of the disk array n/a 1 = Warning 2 = Alarm
Status Information Status description of the disk array n/a n/a
Subscribed Capacity Number of terabytes in the array that has been subscribed
TB n/a
Write Byte Rate Count of data written per second MB/s n/a
Write Bytes Cumulative count of write bytes GB n/a
Transfer Byte Rate Count of data transferred MB/s n/a
SEN_EMC_CONTROLLER
Parameters
Cache Dirty Pages
Percentage** Percentage of dirty pages currently in cache, that is, pages that have been modified in the SP’s write cache, but that have not yet been written to disk. A high percentage of dirty pages means the cache is handling many write requests
Percent (%) None
IP Controller's IP Address n/a n/a
Memory Size Memory size in Megabytes of the adapter MB None
Processor
Utilization**
Percentage of utilization of the processor Percent (%) Warning = 80 % (for two consecutive collects) Alarm = 90 %
PROM Revision Adapter Card PROM Revision n/a n/a
Version 2.0.01
Protocol Protocol supported by the controller. n/a n/a
Read Cache Size Size of the cache containing read data n/a None
Read Operations
Response Time**
Average time taken by the controller to complete a read and write request during the polling period.
ms Warning = 10 ms (two consecutive times) Alarm = 100 ms
Role Controller role (Front-end; Back-end; Remote; n/a) n/a n/a
Serial Number Controller's serial number n/a n/a
Status Status of the controller n/a 1 = Warning 2 = Alarm
Status Information Status description of the controller n/a n/a
Transfer Bytes Cumulative count of data transferred GB None
Transfer Byte Rate
Count of data transferred MB/s None
Write Cache Size Size of the cache containing write data GB None
Write Flush Bytes Cumulative count of write cache flushed GB None
Write Flush Byte
Write Operations
** Parameters not available on Symmetrix Vmax devices.
SEN_EMC_CONTROLLER_CONT
This application class contains all the controllers discovered for CLARiiON and Symmetrix. It has no parameters.
Version 2.0.01
Capacity Total space available in the disk group TB n/a
Consumed Capacity Total size of the space actually allocated or reserved GB n/a
Consumed Capacity Percentage
Percentage of the storage pool that is actually allocated or reserved
Percent (%) n/a
Oversubscription Situation
Ratio between the storage space actually used and the storage space reserved. This parameter can only be activated for thin Storage Pool. An Alarm is triggered when the subscribed capacity percent equals 100 % and the consumed capacity is higher than 100 %.
n/a 1 = Warning 2 = Alarm
Read Byte Rate Amount of data read per second. MB/s n/a
Size Total space allocated to the physical storage TB n/a
Subscribed Capacity Space of the storage pool that is subscribed GB n/a
Subscribed Capacity Percentage
Percentage of the storage pool that is subscribed Percent (%) n/a
Write Byte Rate Amount of data written per second. MB/s n/a
SEN_EMC_DISKGROUP_CONT This application class has no parameters.
SEN_EMC_FCPORT
Parameters
Role Port Role (Front-end or Back-end) n/a n/a
Speed Port speed GB/s n/a
Transfer Byte Rate
Type Port type (Ethernet, FC Port, etc.) n/a n/a
Volumes List of volumes attached to the FC Port. This parameter is deactivated on back-end controllers.
n/a n/a
Version 2.0.01
SEN_EMC_PHYSICALDISK
Parameters
Disk Time
Utilization**
Percentage of disk time utilization Percent (%) 90 = Warning (for 5 consecutive collects)
Firmware Revision Physical disk revision version n/a n/a
Manufacturer Name of the disk manufacturer n/a n/a
Model Physical disk model n/a n/a
Read Bytes Cumulative count of data read GB n/a
Read Byte Rate Count of data read GB/s n/a
Response Time** Response time ms 20 = Warning (for 5 consecutive collects)
RPM Revolutions per minute. Revolution speed of physical disk
n/a n/a
Serial Number Serial number of the physical disk n/a n/a
Size Size of the physical disk GB n/a
Storage Pool Associated storage pool n/a n/a
Write Bytes Cumulative count of data written GB n/a
Write Byte Rate Count of data written MB/s n/a
** Parameters not available on Symmetrix Vmax devices.
SEN_EMC_PHYSICALDISK_CONT This application class has no parameters.
SEN_EMC_SMISPROVIDER
Parameters
Name Description Unit Default Alert Conditions
Version Version of the SMI-S provider composed of the major, minor, and revision numbers.
n/a n/a
Version 2.0.01
Last Refresh Time Date and time when information has last been refreshed.
n/a n/a
Refresh Rate Time after which information will be refreshed. minutes n/a
Statistics Reports whether the statistics have been enabled or not on the monitored storage systems.
SEN_EMC_STORAGEPOOL_CLAR
Parameters
Capacity Total space available in the RAID group TB n/a
Consumed Capacity Total size of the space actually allocated or reserved
TB n/a
Percent (%) n/a
RAID Level RAID level of the storage pool. n/a n/a
Read Byte Rate Amount of data read from the storage pool MB/s n/a
Subscribed Capacity Space of the storage pool that is subscribed TB n/a
Version 2.0.01
Write Byte Rate Amount of data written to the storage pool. MB/s n/a
SEN_EMC_STORAGEPOOL_SYMM
Parameters
Capacity Total space available in the storage pool TB n/a
TB n/a
Percent (%) n/a
Read Byte Rate Amount of data read from the storage pool MB/s n/a
Subscribed Capacity Space of the storage pool that is subscribed TB n/a
Write Byte Rate Amount of data written to the storage pool. MB/s n/a
SEN_EMC_VOLUME
Parameters
GB n/a
Percent (%) n/a
Disk Time Utilization**
Percentage of disk time utilization Percent (%) 90% = Warning (for 5 consecutive collects)
Version 2.0.01
Current Controller Name of the current controller for this Storage Volume; and name of the default owning controller if the latter is different
n/a n/a
Hosts Hosts the volume is attached to. n/a n/a
Host Visible Capacity Amount of space on the disk that is assigned to bound LUNs
GB n/a
Mapped Indicates if the volume is linked to a Host. n/a n/a
Paths* Lists the paths to the ports the volume is attached to.
n/a n/a
Raid Level Raid level of the volume n/a n/a
Read Bytes Cumulative count of data read GB n/a
Read Byte Rate Count of data read MB/s n/a
Response Time** Average time taken by the controller to complete a read and write requests during the polling period.
ms 10 = Warning (for 2 consecutive collects)
Storage Group Name of the Storage Group the volume belongs to. This defines the hosts that will be allowed to see and interact with the volume
n/a n/a
Volume Attributes Description of the Storage Volume attributes n/a n/a
Write Bytes Cumulative count of data written GB n/a
Write Byte Rate Count of data written MB/s n/a
WWN Contains the WWN corresponding to this device, if applicable or know
n/a n/a
Time Since Last Activity Reports the number of days since the last read or write operation has been observed on the monitored volume
Days n/a
* Parameter not available on CLARiiON devices ** Parameters not available on Symmetrix Vmax devices.
SEN_EMC_VOLUME_CONT This application class has no parameters.
Index 73
Version 2.0.01
Pool 56
SEN_EMC_ARRAY 65
Generation 41
Manage 41
Available 56
Consumption 56
- E - Efficiency
Element Properties 31
EMC Solutions Enable 17
Index 74
Version 2.0.01
- G - Generate
How it works 13
Issues 7
KPI
Manage 41
Disk Space Consumption 56
File storage space 15
- N - Navisphere
Statistics 11
- O - Overload
Controllers 54
Owning 52
Version 2.0.01
Parameters 68
Capacity 68, 70, 71
Consumed Capacity Percentage 56, 68, 70, 71
Disk Time Utilization 69, 71
Edit Thresholds 59
Firmware Revision 69
Owning Storage Processor 52, 71
Processor Utilization 54, 66
Raid Level 70, 71
Read Byte Rate 52, 57, 61, 65, 68, 69, 70, 71
Read Bytes 69, 71
Read Operations Percentage 66
Revolutions per minute 69
Spare Disk Count 48, 65
Statistics 70
Subscribed Capacity Percentage 68, 70, 71
Time Since Last Activity 71
Transfer Byte Rate 65, 66, 68, 69, 70, 71
Transfer Bytes 66
Volume Attributes 71
Write Byte Rate 52, 57, 61, 65, 68, 69, 70, 71
Write Bytes 69, 71
Write Flush Byte Rate 54, 66
Write Flush Bytes 66
Write Operation Percentage 66
Published 25
- S - Service
System 9
Version 2.0.01
- U - Unisphere
About BMC® Software BMC Software, Inc. NYSE:BMC, is a leading provider of enterprise management solutions that empower companies to manage their IT infrastructure from a business perspective. Delivering Business Service Management, BMC Software solutions span enterprise systems, applications, databases, and service management. Founded in 1980, BMC Software has offices worldwide and fiscal 2004 revenues of more than $1.4 billion. For
more information about BMC Software, visit www.bmc.com.
About Sentry Software™ Sentry Software, a strategic Technology Alliance Partner of BMC Software, provides key monitoring solutions specifically designed to expand the capabilities of BMC Performance Manager, thus enabling up to 100% coverage of any infrastructure. Sentry Software specializes in single solutions for multi-platform monitoring of hardware, custom applications or any IT component, and blackout windows. Sentry Software products are deployed in 45 countries across the globe and lead the list of BMC Software’s third-party product sales. For more information about Sentry Software,
please visit www.sentrysoftware.net.
Contacting BMC Software
Installation Guide
Installing BMC Performance Manager Express for EMC Disk Arrays
Adding BMC Performance Manager Express for EMC Disk Arrays to an Element Profile
Adding BMC Performance Manager Express for EMC Disk Arrays to an Existing Element
Integrating with BMC ProactiveNet Performance Management
Automatically Enabling the Application Classes
Creating and Importing an Adapter for a BMC Portal Solution
Managing Baselines and Key Performance Indicators
Un-installing
Deleting Application Classes from an Element Profile
Removing BMC Performance Manager Express for EMC Disk Arrays from the Portal
User Guide
Diagnosing Slow LUNs
Identifying LUNs not Owned by their Normal (Default) Storage Processor
Identifying Most Busy LUNs
Monitoring the Efficiency of the Caching Mechanism
Reclaiming Space of Unmapped (Unused) LUNs
Reporting a Disk Space Consumption
Reporting the Total Traffic on an Hourly or Daily Basis
Setting Thresholds
Reference Guide
Application Classes

bmc performance manager express for emc disk arrays 2.0

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