The PureDisk pool is up
But Netbackup is marking it as down Which result in Backup failure
backups were failing with error 2074.
The Disk in raid array failed & spare disk took over its job.
So raid is recovered well in this situation.
But The backup job which was running at that time stuck as Netbackup reported it as Disk Volume Down .
The backup failed with Error 2074 but the child process was not removed from memory By its parent job.
This Orphaned Process was holding Disk Pool AS down state
nbdevquery was showing disk pool & volume as UP.
But checked in Netbackup-admin console -> Monitor -> Disk Pool
There Netbackup show Volume as DOWN
So all Subsequent Backups kept failing with Error 2074 ,even after restarting Services on PureDisk.
Because the Orphaned /Zombie process was still running & It was never removed from Memory.
Request Customer to stop NetBackup on all media servers and then remove orphaned processes .
use bpps -x.
List the processes
Kill them by ( kill command OR Task Manager)