Re: Hi! Strange issue with LSR -- bitmaps hadn't been used during 2 of 3 RAIDs resync

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On 28 May 2012 10:54, NeilBrown <neilb@xxxxxxx> 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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