Global-active device solutions

Ops Center High Availability User Guide

Version: 10.9.x
File Size: 3.9 MB
Audience: anonymous
Part Number: MK-99ADM003-14

Overview of global-active device
About global-active device
Global-active device components
Global-active device solutions
Fault-tolerant storage infrastructure
Failover clustering without storage impact
Server load balancing without storage impact
System configurations for global-active device solutions
Global-active device and global storage virtualization
About the virtual ID
Global-active device status monitoring
Global-active device status
High Availability status transitions
Pair status
GAD suspend types
I/O modes
Relationship between GAD status, pair status, and I/O mode
Global-active device and server I/O
Server I/O (GAD status: Mirrored)
Server I/O (GAD status: Mirroring or Quorum disk blocked or no quorum disk volume)
Server I/O when the GAD status is Suspended
Server I/O when the global-active device status is Blocked
Quorum disk and server I/O
GAD pairs without a volume set for the quorum disk
I/O stoppage detected in the counterpart system
I/O stoppage not detected in the counterpart system
Server I/Os and data mirroring with blocked quorum disk or without quorum disk volumes
Quorum disk status
Global-active device consistency groups
Global-active device pairs by consistency group
Suspension of GAD pairs by consistency group
Use cases for consistency groups
GAD consistency group statuses
Initial copy and differential copy
User interfaces for global-active device operations
System requirements
Requirements and restrictions
Interoperability requirements
Volume types supported for global-active device
Dynamic Provisioning / Dynamic Tiering / Active flash
ShadowImage
Limitations when sharing global-active device and ShadowImage volumes
ShadowImage operations and global-active device pair status
GAD operations and SI pair status
Thin Image
Limitations for using both global-active device and Thin Image
Thin Image operations and global-active device status
Global-active device operations and Thin Image pair status
Use cases for pairing global-active device volumes with ShadowImage or Thin Image
Universal Replicator
Global-active device pair and Universal Replicator pair interoperability
Data Retention Utility
Global-active device status and I/O allowance by access attribute
Volume Migration
Restrictions for using global-active device with Volume Migration
Global-active device status and Volume Migration pair operations
Volume Migration pair statuses and global-active device pair operations
LUN Manager
Virtual Partition Manager
Nondisruptive migration (VSP G1000, VSP G1500, and VSP F1500)
Restrictions for using global-active device with nondisruptive migration
Global-active device status and nondisruptive migration pair operations
Volume Shredder
Performance Monitor
Server I/Os added to Performance Monitor
Port I/Os added to Performance Monitor
Connection types
Direct connection
Connection using switches
Connection using channel extenders
Setting up high availability
Overview of the workflow for global-active device
Register the global-active device license
Registering the global-active device license for VSP G200, G/F400, G/F600, and G/F800 storage systems
Registering the global-active device license for VSP E series and VSP G/F350, G/F370, G/F700, G/F900 storage systems
Registering the global-active device license for VSP G1x00, F1500 and VSP 5000 series storage systems
Add an external storage system for the quorum disk
Configure remote paths
Configuring remote paths for VSP 5000 series, VSP F series, and VSP G series
Configuring remote paths for VSP E series and VSP G/F350, G/F370, G/F700, G/F900 storage systems
Configure the quorum disk
Configuring the quorum disk for VSP G200, G/F400, G/F600, G/F800, VSP G1x00, VSP F1500, and VSP 5000 series
Discover and add external volumes
Adding the quorum disk
Configuring the quorum disk for VSP E series and VSP G/F350, G/F370, G/F700, G/F900 models
Configuring a quorum disk by creating an external volume
Configuring a quorum disk by selecting an external volume
Configuring a quorum disk without using an external volume
Onboard primary and secondary storage systems in Ops Center Protector
Onboard primary and secondary storage systems in Ops Center Administrator
Adding a storage system in Ops Center Administrator
Adding servers
Register Ops Center Protector with Ops Center Administrator
Managing virtual storage machines for high availability
Manage virtual storage machines
Virtual storage machine inventory
Creating virtual storage machines
Removing undefined resources from a virtual storage machine
Moving defined volumes to a virtual storage machine
Adding resources to a virtual storage machine
Virtual storage machine details
Adding storage systems to a virtual storage machine
Adding undefined volumes to a virtual storage machine
Adding undefined host groups to a virtual storage machine
Removing storage systems from a virtual storage machine
Removing undefined volumes from a virtual storage machine
Removing undefined host groups from a virtual storage machine
Provisioning for high availability
Prerequisites to provisioning for high availability
Creating, attaching, and protecting volumes with high availability
Protecting existing volumes with high availability
Monitoring high availability operations in Ops Center Protector
Mounting a block snapshot or replication
How to swap (takeover/takeback) a replication
Disabling high availability functions
Disable by deleting the replication group and primary volumes
Disable by deleting the replication group and retaining the primary volume
Disable by deleting some global-active device pairs but retaining the replication group
Disable by deleting some global-active device pairs but retaining the replication group and primary volumes

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