Volume Migration User Guide for VSP One Block 20 Series

Version: 10.4.x
Audience: anonymous
Part Number: MK-23VSP1B018-03
Published: 2025-09-02

Overview of Volume Migration
Overview of Volume Migration
Source and target volumes
Volume migration
Requirements
System requirements
Source and target volume general requirements
Thin Image Advanced-related volumes specifiable as Volume Migration source volumes
Supported and prohibited source and target volumes
System option mode (SOM) settings
Volume Migration with global-active device
Volume Migration with ShadowImage
Volume Migration with TrueCopy and Universal Replicator
Volume migration in a 3DC multi-target configuration with UR and TC
Volumes assigned to resource groups by Resource Partition Manager
Volumes having access attribute of Data Retention Utility
Number of pairs for which Volume Migration can be concurrently run
Calculating the number of pairs for which Volume Migration can be concurrently run
Notes on using DP-VOLs
Notes on migrating volumes
Behavior when local replica option #16 (Nondisruptive Migration Data Consistency option) and SOM 1228 are set
Migrating volumes
Volume Migration and CCI commands
Migrating volumes with CCI
Maintenance
Storage system maintenance
Powering on/off the storage system
Troubleshooting
Troubleshooting when migrations take a long time to complete
Troubleshooting when the load on the storage system is high and effects of Volume Migration on other software products
Reducing load on the storage system by using copy threshold option (SOM 467)
Reducing load on the storage system by using copy threshold option for capacity saving
Troubleshooting for uncompleted Volume Migration
Effects of Volume Migration on other software products
Troubleshooting for Volume Migration failure
SSB codes for Volume Migration

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