Daniel,

Check the health and stability of your raid-6 volume. Make sure the raid is 
healthy and online. Use whatever monitor utility came with your raid card or 
check /proc/mdstat if it's a Linux mdraid. Check /var/log/messages for error 
messages from your raid or other hardware.

--Jeff

---mobile signature---
Jeff Johnson - Aeon Computing
jeff.john...@aeoncomputing.com

On Dec 20, 2010, at 22:27, Daniel Raj <danielraj2...@gmail.com> wrote:

> Hi Jeff,
> 
> 
> Thanks for your reply 
> 
> Storage information : 
> 
> 
> DL380G5       == OSS + 16GB Ram 
> OS                == SFS G3.2-2 + centos 5.3 + lustre 1.8.3
> MSA60 box   == OST
> RAID 6
> 
> 
> Regards,
> 
> Daniel A 
> 
> On Tue, Dec 21, 2010 at 11:45 AM, Jeff Johnson 
> <jeff.john...@aeoncomputing.com> wrote:
> Daniel,
> 
> It looks like your OST backend storage device may be having an issue. I would 
> check the health and stability of the backend storage device or raid you are 
> using for an OST device. It wouldn't likely cause a system reboot of your OSS 
> system. There may be more problems, hardware and/or OS related that are 
> causing the system to reboot in addition to Lustre complaining that it can't 
> find the OST storage device.
> 
> Others here on the list will likely give you a more detailed answer. The 
> storage device is the place i would look first.
> 
> --Jeff
> 
> -- 
> ------------------------------
> Jeff Johnson
> Manager
> Aeon Computing
> 
> jeff.john...@aeoncomputing.com
> www.aeoncomputing.com
> t: 858-412-3810 x101   f: 858-412-3845
> m: 619-204-9061
> 
> 4905 Morena Boulevard, Suite 1313 - San Diego, CA 92117
> 
> 
> On Mon, Dec 20, 2010 at 9:43 PM, Daniel Raj <danielraj2...@gmail.com> wrote:
> 
> 
> 
> Hi Genius,
> 
> 
> Good Day  !!!!!!!!!!!!!!!!!!
> 
> 
> I am Daniel. My OSS getting  automatically rebooted again and again . kindly 
> help to me 
> 
> Its showing the below error messages 
> 
> 
>  kernel: LustreError: 23351:0:(ldlm_lib.c:1892:target_send_reply_msg()) @@@ 
> processing error (-19)  r...@ffff810400e24400 x1353488904620274/t0 
> o8-><?>@<?>:0/0 lens 368/0 e 0 to 0 dl 1292738958 ref 1 fl Interpret:/0/0 rc 
> -19/0
> kernel: LustreError: 137-5: UUID 'south-ost7_UUID' is not available  for 
> connect (no target)
> kernel: LustreError: 23284:0:(ldlm_lib.c:1892:target_send_reply_msg()) @@@ 
> processing error (-19)  r...@ffff8101124c7c00 x1353488904620359/t0 
> o8-><?>@<?>:0/0 lens 368/0 e 0 to 0 dl 1292739025 ref 1 fl Interpret:/0/0 rc 
> -19/0
> 
> 
> Regards,
> 
> Daniel A 
> 
> 
> 
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