Fwd: GEOM_MIRROR: Synchronization request failed (error=5).

[Jim Nasby]

Didn’t get an answer on -questions… can anyone shed some light on this?

Begin forwarded message:

> From: Jim Nasby <jim at nasby.net>
> Subject: Re: GEOM_MIRROR: Synchronization request failed (error=5).
> Date: May 18, 2014 at 1:25:37 PM CDT
> To: freebsd-questions at freebsd.org
> 
> On May 18, 2014, at 1:17 PM, Jim Nasby <jim at nasby.net> wrote:
>> Trying to add a disk to an existing gmirror (which, unfortunately is sitting on a GPT partitioned drive):
>> 
>> GEOM_MIRROR: Synchronization request failed (error=5). ad4[WRITE(offset=141343457280, length=131072)]
>> 
>> Does this mean the new drive (ad4) is bad? smartmon doesn’t show anything and a quick bonnie++ test was OK.
> 
> More info:
> 
> Here’s what was in /var/log/messages right before that error:
> 
> May 18 17:36:13 noel kernel: GEOM_MIRROR: Device gm1: rebuilding provider ad4.
> May 18 17:58:39 noel kernel: ad4: WARNING - WRITE_DMA48 UDMA ICRC error (retrying request) LBA=276061440
> May 18 17:58:39 noel kernel: ad4: FAILURE - WRITE_DMA48 status=51<READY,DSC,ERROR> error=10<NID_NOT_FOUND> LBA=276061440
> May 18 17:58:39 noel kernel: GEOM_MIRROR: Synchronization request failed (error=5). ad4[WRITE(offset=141343457280, length=131072)]
> 
> After this I did gmirror forget, gmirror clear and then re-inserted ad4 into the mirror. As soon as that was done I started seeing this:
> 
> May 18 13:18:06 noel sudo:  decibel : TTY=pts/3 ; PWD=/home/decibel ; USER=root ; COMMAND=/sbin/gmirror insert gm1 ad4
> May 18 18:18:06 noel kernel: GEOM_MIRROR: Device gm1: rebuilding provider ad4.
> May 18 18:18:06 noel kernel: ad4: WARNING - WRITE_DMA UDMA ICRC error (retrying request) LBA=18176
> May 18 18:18:07 noel kernel: ad4: WARNING - WRITE_DMA UDMA ICRC error (retrying request) LBA=233216
> …
> May 18 18:20:32 noel kernel: ad4: WARNING - WRITE_DMA UDMA ICRC error (retrying request) LBA=29618944
> May 18 18:20:35 noel kernel: ad4: WARNING - WRITE_DMA UDMA ICRC error (retrying request) LBA=30076928
> May 18 18:20:54 noel kernel: ad4: WARNING - WRITE_DMA UDMA ICRC error (retrying request) LBA=33539072
> 
> Look at http://lists.freebsd.org/pipermail/freebsd-questions/2005-August/095214.html, I tried changing the mode:
> 
> May 18 13:20:58 noel sudo:  decibel : TTY=pts/3 ; PWD=/home/decibel ; USER=root ; COMMAND=/sbin/atacontrol mode ad4
> May 18 18:21:05 noel kernel: ad4: WARNING - WRITE_DMA UDMA ICRC error (retrying request) LBA=35777024
> May 18 18:21:13 noel kernel: ad4: WARNING - WRITE_DMA UDMA ICRC error (retrying request) LBA=37299200
> May 18 13:21:14 noel sudo:  decibel : TTY=pts/3 ; PWD=/home/decibel ; USER=root ; COMMAND=/sbin/atacontrol mode ad4 UDMA4
> 
> It didn’t help…
> 
> May 18 18:21:28 noel kernel: ad4: WARNING - WRITE_DMA UDMA ICRC error (retrying request) LBA=40399360
> May 18 18:22:04 noel kernel: ad4: WARNING - WRITE_DMA UDMA ICRC error (retrying request) LBA=47683328
> …
> May 18 18:23:30 noel kernel: ad4: WARNING - WRITE_DMA UDMA ICRC error (retrying request) LBA=64849664
> May 18 18:23:30 noel kernel: ad4: WARNING - WRITE_DMA UDMA ICRC error (retrying request) LBA=64880896
> 
> Errors are still happening.
> 
> I can easily return the drive if that’s the problem here, but as I mentioned a bonnie++ test didn’t generate any errors.
> -- 
> Jim C. Nasby, Data Architect                       jim at nasby.net
> 512.569.9461 (cell)                         http://jim.nasby.net
> 
> _______________________________________________
> freebsd-questions at freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-questions
> To unsubscribe, send any mail to "freebsd-questions-unsubscribe at freebsd.org"
> 

-- 
Jim C. Nasby, Data Architect                       jim at nasby.net
512.569.9461 (cell)                         http://jim.nasby.net