There me been crazy with zfs z3 redundancy (plus 2 backups with less redundancy z2 or raid5/SHR1)
Mutiple drive failures within a short time probably means no extended scans are Been performed at all for posable pre failure detection (recommend every 3 or 1 monthly) and data scrub monthly
There me been crazy with zfs z3 redundancy (plus 2 backups with less redundancy z2 or raid5/SHR1)
Mutiple drive failures within a short time probably means no extended scans are Been performed at all for posable pre failure detection (recommend every 3 or 1 monthly) and data scrub monthly