After receiving the information that the error was caused by storage node reboot, checking if HPOM still show the error
root@linux:~ # /var/opt/OV/bin/instrumentation/UXMONbroker -check mpmon
Thu May 14 10:34:20 2020 : INFO : UXMONmpmon is running now, pid=31809
Thu May 14 10:34:20 2020 : Minor: mpatho – Only one FC Switch detected, no SAN FC Switch redundancy
mv: `/dev/null’ and `/dev/null’ are the same file
Thu May 14 10:34:20 2020 : INFO : UXMONmpmon end, pid=31809
Checking multipath for mpatho
root@linux:~ # multipath -ll mpatho
mpatho (350002ac666af374b) dm-74 3PARdata,VV
size=150G features=’1 queue_if_no_path’ hwhandler=’0′ wp=rw
`-+- policy=’round-robin 0′ prio=1 status=active
|- 2:0:0:5 sday 67:32 active ready running
`- 4:0:0:5 sdax 67:16 active ready running
Rescaning server
root@linux:~ # systool -av -c fc_host | grep “Class Device =” | awk -F’=’ {‘print $2’} | awk -F'”‘ {‘print “echo \”- – -\” > /sys/class/scsi_host/”$2″/scan”‘} | bash
Checking multipath for mpatho
root@linux:~ # multipath -ll mpatho
mpatho (350002ac666af374b) dm-74 3PARdata,VV
size=150G features=’1 queue_if_no_path’ hwhandler=’0′ wp=rw
`-+- policy=’round-robin 0′ prio=1 status=active
|- 2:0:0:5 sday 67:32 active ready running
|- 4:0:0:5 sdax 67:16 active ready running
|- 1:0:0:5 sdaz 67:48 active ready running
`- 3:0:0:5 sdba 67:64 active ready running
Checking if HPOM still show the error
root@linux:~ # /var/opt/OV/bin/instrumentation/UXMONbroker -check mpmon
Thu May 14 10:36:26 2020 : INFO : UXMONmpmon is running now, pid=37696
mv: `/dev/null’ and `/dev/null’ are the same file
Thu May 14 10:36:26 2020 : INFO : UXMONmpmon end, pid=37696
setaOffice 