PVE 6.3.6 Live Migration on ZFS appear to not be completing as expected

M

mpizzolo

Member
Oct 15, 2019
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Hello,
We are seeing an issue with test VMs that we are doing online live migrations for between hosts that have compressed, encrypted, ZFS pools. The issue does not surface with migrations to/from remote Ceph RBD, but does occur with local ZFS pools on hosts when doing live migrations. The disk seems to move, but then it seems to spend minutes/hours possibly trying to keep the source and destination synchronized instead of moving on to the next disk.

First copy goes through as expected then starts:

1618931113343.png


Perhaps 10 minutes later:

1618931024422.png

Looking for any suggestions/feedback.

Thanks,
 
It ultimately completed, and it seems like it began the next drive migration while still reporting "deltas???" for the first drive. Not sure if that is actually what happened, but the showing logging with the drive and activity type would be very helpful to accurate convey what is going on.
 
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