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Status Not under consideration
Workspace IBM Spectrum Virtualize / FlashSystem
Created by Guest
Created on Jun 4, 2021

RELATED IDEAS

Optimize Flashcopy Mappings to be on the same preferred node

Comment we got from level 3 SVC is that Flashcopy volumes preferred node do not all match source volume preferred node.
Half the Flashcopy volumes are running on the opposite node from the source.
So Source volume on node 1 -> Flashcopy to volume owned by Node 2
Best practice would be to move the volume to the same node so that source on prefered node 1 -> fcmap target also runs on node 1
This can be done with movevdisk command.
When a volume in SVC is created (mkvdisk) SVC round robins the volume. So one volume node 1, second volume node 2, then back to node 1… so tools like CDM or CSM will get potentially 50% of them optimized and 50% of them non optimized
Would it be possible when creating a Flashcopy mapping, that it does the movevdisk -node $SourceVdiskPrefNodeID $TargetVdiskID so that it matches and that all FCmap are optimized and do not cross over?

Idea priority Medium

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