Re: RAID5 / 6 Growth

[Michael Evans <mjevans1983@gmail.com>]

On Wed, Dec 16, 2009 at 12:06 AM, Leslie Rhorer <lrhorer@satx.rr.com> wrote:
>> Have you made sure that the value of
>> /proc/sys/dev/raid/speed_limit_min is high enough? (200000 means 200
>
> High enough?  Wouldn't a higher speed limit mean more stress on the systems?
> Its value is 1000.
>
>> MB/s) along with /proc/sys/dev/raid/speed_limit_max?
>
> It's 200,000
>
>> I interrupted an array resyncing a couple of times without issues.
>> Only one time I interrupted an array during growth process and I had
>> an old version of mdadm (2.6.3) which didn't support resuming that. I
>> think Neil told me that 2.6.9 is the minimum requirement to resume.
>
> It's 2.6.7.2.  Debian does not admit new software into its distro until they
> are rock hard stable, unless it is a bug fix release.  I guess I'll have to
> wait a few more days.
>
>
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You could seek out a testing version or compile it your self.  mdadm
doesn't depend on that much...
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