zpool scrub speed

Gordan Bobic gordan.bobic at gmail.com
Fri May 6 04:07:29 EDT 2011

What is the general performance expected from zfs scrub? I would have 
expected it to be in the region of the combined read speed of the data 
bearing disks (i.e. excluding the parity disks). But my 13 disk array 
only gets about 170MB/s on a scrub. Is this normal, i.e. explained by 
the disk-seeking required?


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