From: NeilBrown <neilb@suse.de>
To: "Patrik Horník" <patrik@dsl.sk>
Cc: linux-raid@vger.kernel.org
Subject: Re: Cancelling not pausing array check
Date: Tue, 7 Oct 2014 07:59:44 +1100 [thread overview]
Message-ID: <20141007075944.30be70ae@notabene.brown> (raw)
In-Reply-To: <CAAOsTSnYjW-r7VoOL0SiNhsdv5kn9DunrfD3izuLDzaHaBb56Q@mail.gmail.com>
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On Mon, 6 Oct 2014 15:29:13 +0200 Patrik Horník <patrik@dsl.sk> wrote:
> Hello,
>
> is it possible to cancel RAID 6 array check? echo check >
> /sys/block/mdX/md/sync_action apparently only pauses it and next check
> continuing from saved position. (I guess /sys/block/mdX/md/sync_min)
>
> I want to achieve two things:
>
> - Start check from the start of the array.
>
> - Be sure I can shutdown array without any ill effect because check
> was interrupted.
>
> I guess that position will be cleared when array is stopped and
> started again, but I dont want to guess and experiment... :)
Why ever not? Guessing and experimenting is AWESOME. We call it "Science".
I can understand that you might not want to experiment we real data, but
creating a few loop-back devices with "losetup", forming them into an array,
and experimenting on that can be very worthwhile.
NeilBrown
>
> Thanks.
>
> Best regards,
>
> Patrik
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next prev parent reply other threads:[~2014-10-06 20:59 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-06 13:29 Cancelling not pausing array check Patrik Horník
2014-10-06 13:36 ` Robin Hill
2014-10-06 13:39 ` Patrik Horník
2014-10-06 13:53 ` Robin Hill
2014-10-06 17:41 ` Patrik Horník
2014-10-06 20:59 ` NeilBrown [this message]
2014-10-06 22:57 ` Patrik Horník
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