pi system high availability : interface redundancy and disconnected interface startup
DESCRIPTION
PI System High Availability : Interface Redundancy and Disconnected Interface Startup. Andy Singh, Ph.D., OPC Team Tony Cantele, Uniint Team Leader. PIANO. Secondary PI Server. Primary PI Server. PIANO. Secondary PI Server. Configuration Changes. - PowerPoint PPT PresentationTRANSCRIPT
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PI System High Availability: Interface Redundancy and
Disconnected Interface Startup
Andy Singh, Ph.D., OPC TeamTony Cantele, Uniint Team Leader
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System Management Tools
Thin Clients: RtPortal, RtWebParts, Rich Clients: ProcessBook, DataLink, Custom Application…
PI SDKPI SDK Foundation
Concurrent HA Developments
Data BufferingServices
PI Interfaces
FailoverMechanisms
Data BufferingServices
PI Interfaces
PI Interface Startup withoutPI Server Connection
Primary PI Server
PIANOConfiguration
Changes Secondary PI Server
PIANO Secondary PI Server
PIANO
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Definitions and Terms• Interface Level Failover• UNIINT• Data Source/Control System• Disconnected Startup
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Agenda• Interface Level Failover
– Introduction– Demo of Planned Maintenance– Demo of Uninterrupted Data Collection– Cost Effective Solution– Simple Configuration
• Disconnected Startup– Data Collection without PI– Faster Startup Option
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What is Interface Level Failover?• Two interface nodes
– Communicate to same data source
– Only 1 node sends data
• Types of failover– Hot, Warm, Cold– Determined by data source
and network
• Input/Output tags
PI Server
Primary Node Backup Node
Data Source
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Typical Network Setup
Backup NodePrimary Node
PI Server
Firewall
PI Client
Data Source
Process Network
Business Network
OPC OPC
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Stress Free Maintenance• Data is Available during Maintenance
– OS/Security Patch– PI Software Update– Hardware Upgrade
• Better decisions
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Network setup for Demo
Backup NodePrimary Node
Router
Data Source
Process Network
Business Network
PI Server and Client
OPC OPC
OPC server
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Demo
Interface Failover during Maintenance
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Network setup for Demo
Backup NodePrimary Node
Router
Data Source
Process Network
Business Network
OPC OPC
PI Server and Client
OPC server
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Demo
Interface Failover with Network Fault
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OSIsoft’s Failover Solution is Inexpensive• 3rd Party solutions can be expensive
– Limited Hardware Support– Difficult Setup– Expensive Maintenance
• Implementation only requires two PCs
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Simple and Standardized Configuration
• Simple Interface Configuration
• Standardized for most interfaces
• Basic Tag Configuration
12
3
4
1 - /ufo_id*2 - /ufo_otherid*3 - /ufo_primary4 - /ufo_interval
* Must be consistent for both nodes
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Demo
Configuring Interface Failover with ICU
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Why six PI tags?
Point 1
Data Source
Interface 1
PI TagsInput Tag
Output TagPoint 2
Source Tag
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Why six PI tags?
Interface 2
Heartbeat 2
Data Source Interface 1 PI Tags
Heartbeat 1
Active ID
Heartbeat 2, Output
Heartbeat 2, Input
Heartbeat 1, Input
Heartbeat 1, Output
Active ID, Input
Active ID, Output
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Summary of Interface Level Failover
• Normal data collection continues with network or hardware faults
• Cost effective solution• Stress Free Maintenance• Simple and Standardized Configuration
across all Interfaces
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What is disconnected Startup?• Interfaces do not need
connection to PI to start• Cached copy of Point DB
– Improved startup times– Collect and buffer data w/o PI
• Sychronization of Point Changes
PI Server
Interface Node
sinusoidcdt158cdm158…
Cached Tag List
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Development Timeline
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Top 10 interfaces• OPC DA Interface (currently ongoing)• Intellution Fix DMACS• Modbus Ethernet Interface• Wonderware InTouch Interface• Foxboro IA Interface (Windows & Solaris)*• OPC HDA Interface• Modbus Serial Interface• OPC Alarms and Events Interface• GE Cimplicity Interface• Interfaces contained in MCN Health Monitor
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Conclusion• Simple, Enterprise, Available (SEA)
– Simple setup and configuration– Maintenance and improved TCO for the
Enterprise– Data Reliability and Availability
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Network setup for Demo
Backup NodePrimary Node
Router
Data Source
Process Network
Business Network
PI Server and Client
OPC
OPC server
OPC
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Thank You!