[RHV] SPM locking issue

Solution Verified - Updated -

Issue

  • RHV SPM host has released it's sanlock lock lease:
# vdsm-client StoragePool getSpmStatus storagepoolID=<SPUUID>
{
    "spmId": -1,               # should not be '-1'
    "spmStatus": "SPM", 
    "spmLver": -1              # should not be '-1'
}

Can result in numerous issues such as:

  • VM actions fail (create snapshot, etc)
  • LVM metadata corruption (multiple SPM's writing to metadata)

Environment

  • Red Hat Virtualization 4.3

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