Hello,
I do have mirrored zpool of two drives. After few months I've decided to run
scrub again on it and it went fine. It signaled that it shall complete in
2hours and few minutes. Once it got to this state it does not stop, but is
scrubbing forever now (well, 14 hours precisely).
ka...@silence:/$ zpool status
pool: rpool
state: ONLINE
scrub: scrub in progress for 14h32m, 100.00% done, 0h0m to go
config:
NAME STATE READ WRITE CKSUM
rpool ONLINE 0 0 0
mirror ONLINE 0 0 0
c1t1d0s0 ONLINE 0 0 0
c1t0d0s0 ONLINE 0 0 0
errors: No known data errors
ka...@silence:/$
So drives are still reading and even iostat confirm that:
ka...@silence:/$ zpool iostat 1
capacity operations bandwidth
pool used avail read write read write
---------- ----- ----- ----- ----- ----- -----
rpool 132G 17.4G 162 24 1.59M 171K
rpool 132G 17.4G 130 0 15.9M 0
rpool 132G 17.4G 185 0 22.9M 0
rpool 132G 17.4G 111 0 13.7M 0
rpool 132G 17.4G 138 0 17.1M 0
rpool 132G 17.4G 114 0 14.1M 0
rpool 132G 17.4G 163 0 20.2M 0
rpool 132G 17.4G 142 0 17.6M 0
rpool 132G 17.4G 132 0 16.3M 0
rpool 132G 17.4G 100 0 12.4M 0
rpool 132G 17.4G 126 0 15.6M 0
rpool 132G 17.4G 109 0 13.5M 0
rpool 132G 17.4G 105 0 13.0M 0
rpool 132G 17.4G 117 0 14.6M 0
rpool 132G 17.4G 129 0 15.9M 0
rpool 132G 17.4G 139 0 17.2M 0
rpool 132G 17.4G 115 0 14.5M 19.8K
rpool 132G 17.4G 107 0 13.0M 71.3K
rpool 132G 17.4G 113 0 14.2M 0
rpool 132G 17.4G 127 0 15.7M 0
rpool 132G 17.4G 117 0 14.5M 0
rpool 132G 17.4G 116 1 14.4M 11.9K
rpool 132G 17.4G 111 0 13.8M 0
rpool 132G 17.4G 111 1 13.7M 15.8K
rpool 132G 17.4G 111 1 13.8M 7.92K
rpool 132G 17.4G 104 0 13.0M 3.96K
....
This pool does have only 15GB free space available if that makes any difference:
ka...@silence:/$ df -h rpool
Filesystem Size Used Available Capacity Mounted on
rpool 147G 82K 15G 1% /rpool
ka...@silence:/$
Anyway, I'd like to ask: is it a known bug or does scrub really do something
useful and so it still needs to run and will sometime hopefully finish?
(defragmenting?)
Thanks,
Karel
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