stuck on low scrub performance

Daryl Richards daryl at isletech.net
Sun Jan 22 16:51:02 UTC 2017


On 2017-01-22 11:45 AM, Tobias Oberstein wrote:
> FWIW, the issue is gone .. it's scrubbing with 130MB/s now:
>
> [oberstet at bvr-file1 ~/scm/parcit/RA/adr/services]$ zpool status tank
>   pool: tank
>  state: ONLINE
>   scan: scrub in progress since Tue Jan 17 11:13:29 2017
>         55.1T scanned out of 89.4T at 127M/s, 78h42m to go
>         96K repaired, 61.64% done
>
> Note: the pool consists of 4 disk sets (striped) with 6 disks each 
> (RAID-Z2).
Also, FWIW, I also find a scrub starts very slow for the first couple 
hours, then speeds up drastically. I also only have ~20TB so perhaps 
this scales?


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