To add to what Michael already stated. It also depends on what existing relationships you might have...and which (source or target) box you are migrating. As part of the migration session (no charge if running on the DS8000 HMC), there is a new feature that allows you to easily migrate secondary storage systems. By cascaded the GC relationships in the migration session, CSM will automatically build the relationships between the original source and new targets without requiring a full copy. (
see documentation). If you are migrating source storage systems then you might look at a solution like HyperSwap or TDMF.
So there are a lot of factors in determining the best way to migrate to a new DS8000, but CSM has been working with the DS8000 team to help customers migrate to new DS8000s a lot easier.
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Randy Blea
IBM
(512) 286-5376
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Original Message:
Sent: Wed October 19, 2022 08:28 AM
From: Eliane Simoes de Souza
Subject: Migrating data between DS8000 storage systems
Is the CSM Migration session the appropriate option to migrate data between DS8000?
What is the most difference in implementing the Global Copy using CSM Migration Session or Native DSCLI commands?
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Eliane Simoes de Souza
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