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Status Submitted
Workspace IBM Storage Virtualize / FlashSystem
Created by Guest
Created on Feb 6, 2026

RELATED IDEAS

Improve handling of Snapshot (hidden FCMap in stopping state) cleanup

Currently, there isn't much to indicate that a FlashSystem is having a hard time doing it's VolumeGroup Snapshot cleanup.  If you look at the VG in the GUI, you'll see that the count of snapshots is greater than the number of snapshots that are actually listed in the GUI.  When I see this case (often for some of our arrays), it indicates that some previous snapshot is still getting cleaned up.  This can be discovered by listing the hidden fcmaps that are in a stopping state:
lsfcmap -showhidden -filtervalue status=stopping
Once I have these identified, I loop over them setting their cleanrate to something higher, and they are cleaned up quicky.  I just do 2 at a time, and set the clean-rate up to 150, paying attention to how busy the system actually is while doing the cleanup.

It seems like there could be some automation on the array that if we have old (arbitrary, but > 24 hours in my mind) fcmaps up their cleanrate to something that would resolve this in a more quickly fashion.

Idea priority Medium

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