Your message dated Wed, 27 Jan 2010 13:12:33 +1300
with message-id <[email protected]>
has caused the report #508123,
regarding mdadm: checkarray could check less vigorously
to be marked as having been forwarded to the upstream software
author(s) [email protected]
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508123: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=508123
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tags 508123 upstream
thanks
also sprach Andrew Pollock <[email protected]> [2008.12.08.1735 +1300]:
> My wish is to be able to specify an alternative consistency-check
> speed_limit_min and max in say /etc/default/mdadm, and have
> checkarray temporarily adjust /proc/sys/dev/speed_limit_(min|max)
> appropriately for the duration of the self-check, and then return
> it to its previous value. I'd prefer to have the self-check take
> longer to complete, and not interfere with the array's
> performance, than have it complete quickly.
Currently, checkarray does not block until the check is done, and it
would be hackish to do so. Therefore, it cannot restore the limits
afterwards.
A better way would be if Neil could expose two additional parameters
(in /sys/block/*/md, as well as /proc/sys/dev/raid) to limit the
check speed separately from the sync speed.
Is this doable, Neil?
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