From: Igor M Podlesny <for.poige+lsr@gmail.com>
To: NeilBrown <neilb@suse.de>
Cc: linux-raid@vger.kernel.org
Subject: Re: Hi! Strange issue with LSR -- bitmaps hadn't been used during 2 of 3 RAIDs resync
Date: Mon, 28 May 2012 12:03:30 +0800 [thread overview]
Message-ID: <CA+sTkh5wn0UaUb51+tcNegCooi5cUdVi08qQ5Z2RTk4j5Wk2qA@mail.gmail.com> (raw)
In-Reply-To: <20120528125436.69e847ca@notabene.brown>
On 28 May 2012 10:54, NeilBrown <neilb@suse.de> wrote:
[...]
> The best indicator is total time that it takes (which can probably be
> extracted from logs as start and end are logged). Divide that into size of a
> device to get average MB/sec. If the bitmap was used, that will normally be
> much less the best throughput of the device.
That's exactly why I am stating it didn't use WIBs 2 times of 3. It
went resyncing from beginning till the end -- I had my finger on its
pulse. :)
I can't promise (due to popular "lack of time" disease, yeah), but
if I'll get on it using VirtualBox or real environment [Lord forbid
:)] once again, I'll let you know, sure.
[...]
> 2.6.18 is a long time ago. I don't really have any recollections - so many
> bugs, so many releases. I'm not even entirely sure what bug you are
> referring to. I would probably have tagged any patch for it to be included
> in -stable, but I cannot be certain without looking more deeply.
Okay, thanks, it gonna take some kind of bisecting I guess, then.
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next prev parent reply other threads:[~2012-05-28 4:03 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-27 11:32 Hi! Strange issue with LSR -- bitmaps hadn't been used during 2 of 3 RAIDs resync Igor M Podlesny
2012-05-27 12:00 ` NeilBrown
2012-05-27 16:10 ` Igor M Podlesny
2012-05-28 1:45 ` NeilBrown
2012-05-28 2:37 ` Igor M Podlesny
2012-05-28 2:54 ` NeilBrown
2012-05-28 4:03 ` Igor M Podlesny [this message]
2012-06-20 2:49 ` Igor M Podlesny
2012-06-26 6:18 ` NeilBrown
2012-06-26 8:55 ` Igor M Podlesny
2012-06-26 9:22 ` Igor M Podlesny
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