To clean up the spare disks and zero them, use the below command. Having a zero’d spare disks can reduce time when on volume creation or on volume reconstruction.
filer1> disk zero spares.
filer1> vol status -s
Spare disks
RAID Disk Device HA SHELF BAY CHAN Pool Type RPM Used (MB/blks) Phys (MB/blks)
——— —— ————- —- —- —- —– ————– ————–
Spare disks for block or zoned checksum traditional volumes or aggregates
spare 2a.37 2a 4 13 FC:A – FCAL 10000 68000/139264000 68444/140174232 (zeroing, 10% done)
spare 3a.56 3a 3 8 FC:A – FCAL 10000 68000/139264000 68552/140395088
Please note that, this command only zero’s spares that are not already clean.