THE BASICS OF

STORAGE

MICROSOFT CLUSTERING

GREY FILE SERVICES

Storage RAID Types of RAID Protocols SAN

Microsoft Clustering (MSCS) What is clustering Terminology How we are configured at Grey

Grey File Services PC and Mac access

Storage

RAID SCSI SAN Fiber Channel iSCSI

RAID

R – Redundant A – Array I – Inexpensive (or Independent) D – Disks

Types of RAID RAID 0 "Stripe Set" RAID 1 "Mirror" RAID 3 & 4 "Stripe Set dedicated parity" RAID 5 "Stripe Set distributed parity" RAID 6 "Stripe Set dual distributed parity" RAID 0+1 or RAID 10 "Nested RAID“ Definition of Parity: If a single drive in the array

fails, data blocks and a parity block from the working drives can be combined to reconstruct the missing data.

RAID Disk Configuration

Striped SetRAID 0

Mirror SetRAID 1

Stripe Set dedicated parityRAID 3 & 4

Stripe Set distributed parityRAID 5

Stripe Set distributed dual parityRAID 6

RAID Disk Configuration

Striped Set Mirror Set Striped Set & Mirror Set

Striped SetMirror Set Mirror Set & Striped Set

+

+

=

=

RAID 0+1

RAID 10

Why RAID 0+1 or RAID 10

XX X X XX

Loss of RAID Loss of RAID

High Data Transfer Performance Very High Reliability combined with High Performance

SCSI

S – Small C – Computer S – System I – Interface

What is SCSI A set of standards SCSI most common uses

Hard Disks, Tape Drive and other Devices SCSI interfaces

Interface Alernative names Connector Thoughput

SCSI-1 Narrow SCSI IDC50; Centronics C50 5 MHz

Fast SCSI IDC50; Centronics C50 10 MHz

Fast-Wide SCSI 2 x 50-pin (SCSI-2);1 x 68-pin (SCSI-3) 20 MB/s

Ultra SCSI Fast-20 IDC50 20 MB/s Ultra Wide SCSI 68-pin 40 MB/s Ultra2 SCSI Fast-40 50-pin 40 MB/s Ultra2 Wide SCSI 68-pin; 80-pin 80 MB/s

Ultra3 SCSI Ultra-160; Fast-80 wide 68-pin; 80-pin 160 MB/s Ultra-320 SCSI 68-pin; 80-pin 320 MB/s Ultra-640 SCSI 68-pin; 80-pin 640 MB/s

What is Fiber Channel a gigabit-speed network technology

primarily used for storage networking Fiber Channel signaling can run on both

twisted pair copper wire and fiber-optic cable

There are three major Fibre Channel topologies: Point-to-Point Arbitrated loop Switched fabric

What is iSCSI

A protocol that allows clients (called initiators) to send SCSI commands to SCSI storage devices (targets) on remote servers.

Uses TCP/IP (typically TCP port 3260) iSCSI needs

Initiator Host Bus Adapter (HBA) Target

SAN

S – Storage A – Area N – Network

What is a SAN

An architecture to attach to remote computer storage devices Disk Arrays Tape Libraries Optical Jukeboxes

SANs often utilize a Fiber Channel or iSCSI fabric topology

SAN Configuration for File Servers

SAN Configuration for Exchange

Microsoft Clustering (MSCS)

What is a Cluster Terminology How we are configured here at Grey

What is a Cluster Microsoft Cluster Server (MSCS) is

software designed to allow servers to work together as computer cluster, to provide failover and increased availability of applications

Minimum number of nodes in a cluster is 1 Maximum number of nodes in a cluster is

8 Need shared disk San or NAS storage Windows 2003 Enterprise Server

Terminology

Node Cluster Service Quorum Resources Groups Virtual Server

Active / Passive

Failover

How we are Configured at Grey

Grey File Services CLFS-777-01 ExtremeZ-IP PC and Mac Access

AFP / SMB PC = \\CLFS-777-01\ShareName Mac = MacShare, FileShare, FileShare2, &

FileShare3

File Servers

Virtual Server CLFS-777-01

IP Address – 172.18.1.52 Physical Server 1

FS-777-CL01 IP Address – 172.18.1.50

Physical Server 2 FS-777-CL02

IP Address – 172.18.1.51

ExtremeZ-IP

ExtremeZ-IP

AFP / SMB

AFP Apple Filing Protocol

SMB Server Message Block

PC Access to File Shares \\CLSF-777-01\ShareName

Mac Access to File Shares Search Domain and DNS Servers

GGG.GREY.GLOBAL 172.18.1.22 & 172.18.1.28

Server Names and IP Address MacShare

172.18.1.120 FileShare

172.18.1.121 FileShare2

172.18.1.119 FileShare3

172.18.1.118

Mac Access to File Shares

Mac Access to File Shares

Resources on the Web

The Google –http://Google.com Microsoft – http://www.microsoft.com ClusterHelp– http://www.clusterhelp.com/ Server Clustering –

http://msmvps.com/blogs/clustering/default.aspx

Wikipedia – http://en.wikipedia.org MacWindows– http://macwindows.com/ Lifehacker – http://lifehacker.com/ AFP548 – http://www.afp548.com

Questions?