RHV node rebooted during storage outage.

Issue

• We had a failure on one of the IBM SVC storage cluster nodes, this caused a failure of few paths and RHV node was fenced/rebooted:

  kernel: qla2xxx [0000:09:00.1]-801c:2: Abort command issued nexus=2:11:8 -- 2003.
  kernel: qla2xxx [0000:09:00.1]-801c:2: Abort command issued nexus=2:11:8 -- 2003.
  kernel: qla2xxx [0000:09:00.1]-801c:2: Abort command issued nexus=2:11:8 -- 2003.
  kernel: qla2xxx [0000:09:00.1]-801c:2: Abort command issued nexus=2:11:8 -- 2003.
  kernel: qla2xxx [0000:09:00.1]-801c:2: Abort command issued nexus=2:11:13 -- 2003.
  kernel: qla2xxx [0000:09:00.1]-801c:2: Abort command issued nexus=2:11:9 -- 2003.
  kernel: qla2xxx [0000:09:00.1]-801c:2: Abort command issued nexus=2:11:9 -- 2003.
  kernel: qla2xxx [0000:09:00.1]-801c:2: Abort command issued nexus=2:11:9 -- 2003.
  kernel: qla2xxx [0000:09:00.1]-801c:2: Abort command issued nexus=2:11:9 -- 2003.
  kernel: qla2xxx [0000:09:00.1]-801c:2: Abort command issued nexus=2:11:9 -- 2003.
  kernel: qla2xxx [0000:09:00.1]-801c:2: Abort command issued nexus=2:11:9 -- 2003.
  kernel: qla2xxx [0000:09:00.1]-801c:2: Abort command issued nexus=2:11:9 -- 2003.
  kernel: qla2xxx [0000:09:00.1]-801c:2: Abort command issued nexus=2:11:9 -- 2003.
  kernel: qla2xxx [0000:09:00.1]-801c:2: Abort command issued nexus=2:11:9 -- 2003.
  kernel: qla2xxx [0000:09:00.1]-801c:2: Abort command issued nexus=2:11:9 -- 2003.
  [...]
  sanlock[4377]: 2020-11-08 00:11:34 6098082 [4377]: s22 check_our_lease warning 63 last_success 6098019
  sanlock[4377]: 2020-11-08 00:11:34 6098082 [4377]: s20 check_our_lease warning 70 last_success 6098012
  sanlock[4377]: 2020-11-08 00:11:34 6098082 [4377]: s19 check_our_lease warning 74 last_success 6098008
  multipathd: checker failed path 65:224 in map 3600507681082008908000000000005f2
  multipathd: 3600507681082008908000000000005f2: remaining active paths: 1
  kernel: device-mapper: multipath: Failing path 65:224.
  kernel: device-mapper: multipath: Failing path 65:240.
  kernel: device-mapper: multipath: Failing path 66:128.
  [...]