Volume Migration User Guide for VSP One Block 85

Version: 10.5.x
File Size: 100 KB
Audience: anonymous
Part Number: MK-26VSP1B039-01
Published: 2026-03-06

Overview of Volume Migration
Key features of Volume Migration
How Volume Migration works
System components
Requirements
System requirements
Supported and prohibited source and target volumes
System option mode (SOM) settings
Notes on migrating volumes
Volume Migration with global-active device
Volume Migration with ShadowImage or ShadowImage for Mainframe
Volume Migration with TrueCopy and Universal Replicator
Volume Migration with TrueCopy for Mainframe and Universal Replicator for Mainframe
Volume migration in a 3DC multi-target configuration with UR and TC
Volume Migration in 3DC multi-target configuration with Universal Replicator for Mainframe and TrueCopy for Mainframe
Volumes assigned to resource groups by Resource Partition Manager
Volumes having access attribute of Data Retention Utility
Volumes having an access attribute of Volume Retention Manager
Concurrent Copy (CC) pair volumes
Notes on using DP-VOLs
Volume Migration planning
Estimating differential tables
Calculating the required number of differential tables for a mainframe volume
Control cylinders by mainframe emulation type
Example calculation for 3390-3 device emulation
Calculating the required amount of differential tables for open-systems volumes
Differential tables calculation
Number of pairs for which Volume Migration can be concurrently run
Estimating the number of concurrent pairs
Migrating volumes
Volume Migration and CCI commands
Migrating volumes with CCI
Using the Compatible Multiplicity Mode option to reduce the load on the storage system
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 the load on the storage system by using the 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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