ShadowImage User Guide

Version: 9.6.0
Audience: anonymous
Part Number: MK-98RD9021-07

Overview of ShadowImage
How ShadowImage works
Hardware and software components
Interface tools
Device Manager - Storage Navigator
Command Control Interface
Consistency groups
Volume pairs
Cascaded pairs
Initial and update copy operations
Initial copy workflow
Update copy workflow
ShadowImage system requirements and planning
System requirements
ShadowImage licensed capacity requirements
Workflow for determining the maximum number of ShadowImage pairs
Differential tables and pair tables
Maximum number of tables based on installed shared memory
Calculating the number of tables for each pair
Calculating the number of SI pairs
Quick Split and Steady Split performance planning
Performance planning for ShadowImage
How to maximize host server I/O performance
Workflow for maximizing Quick Restore performance
Sharing ShadowImage volumes
Sharing volumes with Cache Residency Manager
Sharing volumes and Data Retention Utility access attributes
Access attributes and supported ShadowImage tasks
Access attribute setting for existing pair volumes
Sharing volumes with Dynamic Provisioning
Sharing volumes with LUN Manager
Sharing volumes with Resource Partition Manager
Sharing volumes with Thin Image
Sharing volumes with TrueCopy
Sharing volumes with Universal Replicator
Sharing volumes with TrueCopy and Universal Replicator
Sharing volumes with Universal Volume Manager
Sharing volumes with Hitachi Volume Migration
Sharing volumes with global-active device
Configuring ShadowImage
Workflow for setting up ShadowImage
Preparing volumes for ShadowImage
Changing local replica options
Setting HOST I/O Performance options (VSP Gx00 models and VSP Fx00 models)
ShadowImage options
System options set by service representatives
Options set by using Device Manager - Storage Navigator or Command Control Interface (Local replica options)
Data recovery and backup differences between Thin Image and ShadowImage
Managing ShadowImage pairs
Workflow for managing ShadowImage pairs
Creating ShadowImage pairs
Workflow for creating ShadowImage pairs
Considerations for creating ShadowImage pairs
Creating ShadowImage pairs in HDvM - SN
Creating L1 and L2 pairs with different topologies in HDvM - SN
Refining pair topology
Suppressing update copy operations
Releasing differential data for ShadowImage pairs
Changing ShadowImage pair options
Splitting ShadowImage pairs
Pair splitting methods
Splitting ShadowImage pairs
Using consistency groups to split pairs
Using consistency group pair-split with shared volumes
Workflow for splitting pairs in a consistency group
Requirements, restrictions, and guidelines for using consistency group pair-split with shared volumes
Restrictions for consistency group pair-split
Supported pair statuses for consistency group pair-split
Maintaining consistent ShadowImage secondary volume backups
Ensuring snapshot data is consistent with P-VOL data
Resynchronizing ShadowImage pairs
Types of pair resynchronization
Forward resynchronization
Reverse resynchronization
Workflow for resynchronizing ShadowImage pairs
Workflow for restoring ShadowImage pairs
Resynchronizing or restoring ShadowImage pairs
Suppressing update copy operations during pair restoration
Setting the RAID level
Suspending ShadowImage pairs
Deleting ShadowImage pairs
Prerequisites for deleting ShadowImage pairs
Items to consider before deleting ShadowImage pairs
Workflow for deleting ShadowImage pairs
Deleting ShadowImage pairs
MP unit and pair deletion
Monitoring and maintaining ShadowImage
Monitoring the ShadowImage system
Viewing pair information for local replication
Monitoring ShadowImage pair activity and status
Device Manager - Storage Navigator pair status names and descriptions
Command Control Interface pair status names
Pair status and available pair tasks
L1, L2 pair status and supported pair tasks
Unaffected S-VOL status and pair tasks
Monitoring ShadowImage pair and volume details
Monitoring ShadowImage pair synchronization rates
Monitoring consistency groups
Viewing consistency group properties
Viewing a list of Thin Image pairs
Monitoring pair task history
Maintaining the ShadowImage system
System and device maintenance
Guidelines for maximizing host server I/O performance (VSP Gx00 models and VSP Fx00 models)
Expanding the DP-VOL capacity while keeping the pair status
Expanding the DP-VOL capacity used in a ShadowImage pair
Expanding DP-VOL capacity when a ShadowImage pair shares the same volume with other software
Troubleshooting the expansion of the DP-VOL capacity
Troubleshooting ShadowImage
Overview
Troubleshooting SIMs for ShadowImage operations
ShadowImage pair issues and corrective actions
Consistency group pair-split failures
Pinned track recovery
Extended copy time causes and corrective actions
Interpreting error codes using Command Control Interface
Interface support for ShadowImage pair tasks and options
Supported Device Manager - Storage Navigator and CCI actions and options
Supported ShadowImage consistency group actions and options
Parameter ranges for CCI options
ShadowImage windows and wizards
Replication window
Local Replication window
View Pair Properties window
View Pair Synchronization Rate window
History window
Consistency Group Properties window
Create SI Pairs wizard
Select Pair Configuration window
Select Primary Volumes window
Select Secondary Volumes window
Create SI Pairs confirmation window
Split Pairs wizard
Split Pairs window
Split Pairs confirmation window
Resync Pairs wizard
Resync Pairs window
Resync Pairs confirmation window
Suspend Pairs window
Delete Pairs window
Edit Mirror Units dialog box
Change Options dialog box
Edit Local Replica Options wizard
Edit Local Replica Options window
Edit Local Replica Options confirmation window

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