Re: 3.10.1: echo repair > sync_action causes hang on RAID-1 (2 xSSD)
Date: Thu Jul 25 2013 - 20:36:12 EST
On Thu, 25 Jul 2013 19:10:50 -0400 "Justin Piszcz" <jpiszcz@xxxxxxxxxxxxxxx>
> -----Original Message-----
> From: NeilBrown [mailto:neilb@xxxxxxx]
> Sent: Sunday, July 21, 2013 7:03 PM
> To: Justin Piszcz
> Cc: linux-kernel@xxxxxxxxxxxxxxx; linux-raid@xxxxxxxxxxxxxxx
> Subject: Re: 3.10.1: echo repair > sync_action causes hang on RAID-1 (2 x
> > Hi Justin,
> > this is a known bug. Fix has been accepted into mainline for 3.11-rc2.
> > Hopefully it will get into 3.10.3 (too late for 3.10.2).
> > NeilBrown
> Hi Neil,
> Did the fix by chance make it into 3.10.3?
No, it looks like it missed again. I gather there was a large inflow of
patches for -stable in the 3.11-rc1 merge window and Greg has been processing
them in batches. Hopefully in 3.10.4.
The relevant patch is commit 30bc9b53878a9921b02e3 in mainline.
> The same issue occurs with 3.10.3 for me as well:
> Every 1.0s: cat /proc/mdstat Thu Jul 25 19:09:46
> Personalities : [raid1]
> md1 : active raid1 sdc2 sdb2
> 233381376 blocks [2/2] [UU]
> [>....................] resync = 0.0% (151488/233381376)
> in speed=121K/sec
> md0 : active raid1 sdc1 sdb1
> 1048512 blocks [2/2] [UU]
> unused devices: <none>
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