[RHV] SPM locking issue

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)