Re: variable raid1 rebuild speed?

[Kevin Thorpe <kevin@xxxxxxxxxxxxxxx>]

On 12/01/2011 18:38, Les Mikesell wrote:
> I have a 750Gb 3-member software raid1 where 2 partitions are always
> present and the third is regularly rotated and re-synced (SATA disks in
> hot-swap bays).  The timing of the resync seems to be extremely variable
> recently, taking anywhere from 3 to 10 hours even if the partition is
> unmounted and the drives aren't doing anything else and regardless of
> what I echo into /proc/sys/dev/raid/speed_limit_min or _max.  Is there
> some way to tell if the drives are going bad or speed it up consistently
> if they aren't?
Ummmm.... RAID is not a backup policy. Fine use hotswap and rsync or 
similar but you
really shouldn't be relying on raid rebuilds for that.

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