[dm-devel] [PATCH] dm-raid: check events in super_validate

Brassow Jonathan jbrassow at redhat.com
Wed Feb 26 22:21:17 UTC 2014


On Feb 25, 2014, at 4:59 PM, Brassow Jonathan wrote:

> 
> On Feb 25, 2014, at 4:22 PM, Nate Dailey wrote:
> 
>> Here's what I've done to reproduce this:
>> 
>> - remove a disk containing one leg of an LVM raid1 mirror
>> - do enough IO that a lengthy recovery will be required
>> - insert the removed disk
>> - let recovery begin, but deactivate the LV before it completes
>> - activate the LV
>> 
>> This is the point where the recovery should start back up, but it doesn't. I haven't tried this in a few weeks, but am happy to try it again if it would help.
> 
> Confirmed (test output below).  I'll get started on this.  This code can be a bit tricky and I've been away from it for a while.  It will take me a bit to re-familiarize myself with it and review your patch.

I've tested this again with the latest code from upstream (kernel 3.14.0-rc4) and I cannot reproduce the problem there.  I'll see if I can find the last non-working version...

 brassow





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