LinuxQuestions.org
Support LQ: Use code LQ3 and save $3 on Domain Registration
Go Back   LinuxQuestions.org > Forums > Linux Forums > Linux - Distributions > Slackware
User Name
Password
Slackware This Forum is for the discussion of Slackware Linux.

Notices

Reply
 
Search this Thread
Old 09-12-2011, 08:34 AM   #1
nass
Member
 
Registered: Apr 2006
Location: Athens, Greece
Distribution: slack(64|32)_v(13.37|14.0), debian6, ubuntu
Posts: 630

Rep: Reputation: 36
disk fails as part of array, but i can reassemble it (then it gets lost again)


hello everyone,
I seem to have lost a disk from an array of mine.

mdstat shows
Quote:
root@samothraki:~# cat /proc/mdstat
Personalities : [linear] [raid0] [raid1] [raid10] [raid6] [raid5] [raid4] [multipath]
md126 : active raid1 sdf1[1] sdd1[0]
732466418 blocks super 1.2 [2/2] [UU]

md127 : active raid1 sde1[1](F) sdc1[0]
1465038451 blocks super 1.2 [2/1] [U_]
and /var/log/messages.1 states that:

Quote:
... (more of the same)
...
Sep 8 05:39:57 samothraki kernel: sd 3:0:0:0: [sde] Unhandled error code
Sep 8 05:39:57 samothraki kernel: sd 3:0:0:0: [sde] Result: hostbyte=0x04 driv
erbyte=0x00
Sep 8 05:39:57 samothraki kernel: sd 3:0:0:0: [sde] CDB: cdb[0]=0x2a: 2a 00 9f
91 00 3f 00 04 00 00
Sep 8 05:39:57 samothraki kernel: md: md127: recovery done.
Sep 8 05:39:57 samothraki kernel: sd 3:0:0:0: [sde] Unhandled error code
Sep 8 05:39:57 samothraki kernel: sd 3:0:0:0: [sde] Result: hostbyte=0x04 driv
erbyte=0x00
Sep 8 05:39:57 samothraki kernel: sd 3:0:0:0: [sde] CDB: cdb[0]=0x2a: 2a 00 9f
91 04 3f 00 00 80 00
the disk doesn't respond to smartctl calls
smartctl -a -d ata /dev/sde
smartctl 5.40 2010-10-16 r3189 [x86_64-slackware-linux-gnu] (local build)
Copyright (C) 2002-10 by Bruce Allen, http://smartmontools.sourceforge.net

Smartctl: Device Read Identity Failed (not an ATA/ATAPI device)

A mandatory SMART command failed: exiting. To continue, add one or more '-T permissive' options.


yet I can manage to rebuild the array...

should i go ahead and replace the volume?

thank you very much for your help
 
Old 09-12-2011, 08:49 AM   #2
Mark Pettit
Member
 
Registered: Dec 2008
Location: Cape Town, South Africa
Distribution: Slackware 14.1 64 Multi-Lib
Posts: 428

Rep: Reputation: 123Reputation: 123
Your disk is dying. There is not much point persisting with it if it becomes unreliable.
 
Old 09-12-2011, 09:00 AM   #3
nass
Member
 
Registered: Apr 2006
Location: Athens, Greece
Distribution: slack(64|32)_v(13.37|14.0), debian6, ubuntu
Posts: 630

Original Poster
Rep: Reputation: 36
arrghh.. its only 2-3 years old!!! how can it be?
i mean seriously, is it just the worst component or is there some other problem?
I have a 850W PSU and and 8x disks , and i have already replaced one of them...
 
Old 09-12-2011, 10:36 AM   #4
Mark Pettit
Member
 
Registered: Dec 2008
Location: Cape Town, South Africa
Distribution: Slackware 14.1 64 Multi-Lib
Posts: 428

Rep: Reputation: 123Reputation: 123
Well - it may have been dropped at some stage. I work with servers with lots of disks. Where the high-end scsi stuff (10k rpm or 15k rpm) is expensive and very reliable, the lower end commodity sata stuff is just the opposite. We use high-capacity servers for online (ie disk-to-disk) backups of databases - for this we use large arrays of sata drives. And I can tell you, the more drives you have, the higher the chance of one failing. I suspect that that is simply the law of probability :-), but I'm not a maths/stats boffin. We buy extra drives and have them lying around waiting for fails - soon as it happens it's usually a hot-swap and we're off again. Disk goes into the bin! Your data is probably important to you - hence the 8 drive array. Chuck the drive.
 
1 members found this post helpful.
  


Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is Off
HTML code is Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
How to reassemble an array after system failure hubaso Linux - Server 3 03-12-2009 07:41 AM
RAID1 array down to one disk with bad blocks, clone to good disk with dd noerror? ewolf Linux - Server 2 05-10-2008 12:40 AM
how to access just some part of array in perl? hottdogg Programming 9 03-25-2008 09:02 PM
Lost array? nerdx7 Slackware 2 12-20-2006 01:01 PM
Bash script - how to reassemble file from array sixerjman Programming 11 08-25-2006 11:45 AM


All times are GMT -5. The time now is 02:52 PM.

Main Menu
My LQ
Write for LQ
LinuxQuestions.org is looking for people interested in writing Editorials, Articles, Reviews, and more. If you'd like to contribute content, let us know.
Main Menu
Syndicate
RSS1  Latest Threads
RSS1  LQ News
Twitter: @linuxquestions
identi.ca: @linuxquestions
Facebook: linuxquestions Google+: linuxquestions
Open Source Consulting | Domain Registration