I have a FreeNAS Mini (4x HDD) with 4x 3TB drives. It's supposed to be setup as a RAID 0/1 striped mirror: 1 mirror extended by 1 mirror. I'd expect this to show roughly 6TB of disk space, but it shows 3TB leading me to believe the second mirror is a mirror of the first instead of an extension. I see two mirrors on the volume in the GUI. Is there a way to verify what I'm seeing is truly a mirror of a mirror instead of a stripe? Is there a way to remove the second mirror and recreate it without destroying the data on the first mirror?
I took ada3 offline but ada4 wouldn't go offline since it was the only remaining disk in mirror-1.
I took ada3 offline but ada4 wouldn't go offline since it was the only remaining disk in mirror-1.
Code:
[root@freenas] ~# zpool status pool: FileCabinet state: DEGRADED status: One or more devices has been taken offline by the administrator. Sufficient replicas exist for the pool to continue functioning in a degraded state. action: Online the device using 'zpool online' or replace the device with 'zpool replace'. scan: scrub repaired 0 in 14h59m with 0 errors on Sun Jul 30 15:00:08 2017 config: NAME STATE READ WRITE CKSUM FileCabinet DEGRADED 0 0 0 mirror-0 ONLINE 0 0 0 gptid/2ae71384-031d-11e5-8ab1-d0509964a848.eli ONLINE 0 0 0 gptid/2b53ebc2-031d-11e5-8ab1-d0509964a848.eli ONLINE 0 0 0 mirror-1 DEGRADED 0 0 0 16845419496358185252 OFFLINE 0 0 0 was /dev/gptid/72edaf24-2119-11e5-bd2c-d0509964a848.eli gptid/737add30-2119-11e5-bd2c-d0509964a848.eli ONLINE 0 0 0 errors: No known data errors pool: freenas-boot state: ONLINE scan: scrub repaired 0 in 0h0m with 0 errors on Tue Aug 1 03:45:57 2017 config: NAME STATE READ WRITE CKSUM freenas-boot ONLINE 0 0 0 gptid/a29f936c-ce61-11e4-be8b-d0509964a848 ONLINE 0 0 0 errors: No known data errors
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