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Read Error Not Correctable Sector

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Code Golf Golf Golf URL Redirects, When to use Sitecore vs. Or, you're trying to use the Western Digital Green drives, and they're taking too long to respond and getting kicked out of the array. so, this is still driving me completely nuts! y mdadm: array /dev/md0 started. this contact form

asked 3 years ago viewed 1369 times active 9 days ago Blog Stack Overflow Podcast #92 - The Guerilla Guide to Interviewing Linked 4 What does mdadm's “spare” number mean? This site is not affiliated with Linus Torvalds or The Open Group in any way. I have 3 HDDs (2 TB each) and was hoping to use most of the available disk space as a RAID5 mdadm device (which gives me a bit less than 4TB.) I need to understand this so I can have a RAID that won't fail because of a single disk failure.

Hdparm Read-sector

But using hpdparm works and forces the reallocation. Oct 2 15:08:51 it kernel: [1686185.627626] md: using maximum available idle IO bandwidth (but not more than 200000 KB/sec) for recovery. Jan 5 01:16:24 serverlol kernel: [11300.853448] md/raid:md0: read error not correctable (sector 693766824 on sdc1). Auto Offline data collection on/off support.

Selective Self-test supported. Here's some of the outputs from syslog Jan 5 01:16:28 serverlol kernel: [11303.917452] md/raid:md0: Disk failure on sdc1, disabling device. Can we prove mathematical statements like this? Sense Key : Medium Error [current] Why would it do this?

Oct 2 15:24:19 it kernel: [1687112.821837] md/raid:md0: read error not correctable (sector 881423392 on xvde). Hdparm Make Bad Sector Going forward, consider RAID6 with large drives like this and make sure you have monitoring in place to catch device failures so you can respond to them ASAP. BALLS. How could a language that uses a single word extremely often sustain itself?

Thanks for the tip, kevinthecomputerguy - I have been powering the machine off regularly, but I tried pulling the power cable out for a while as well in-between trying to create Hdparm Pending Sector For more advanced trainees it can be a desktop reference, and a collection of the base knowledge needed to proceed with system and network administration. You do this by echoing either repair or check to /sys/block/md0/md/sync_action. "Repair" will also repair any discovered parity errors (e.g., the parity bit doesn't match with the data on the disks). So I unplugged one of my drives, booted up, and was able to mount the device in a degraded state; test data I had put on there was still fine.

Hdparm Make Bad Sector

Currently though I can't shut down :( –Ben Hymers Mar 8 '11 at 23:47 1 I'll accept this answer as it's the most relevant to the original question, and would Problems from using Office 64bit Are two sequences equal if the sums and sums of squares are equal? Hdparm Read-sector However this is where the problem really starts. Hdparm Repair-sector NOTE: On older kernels—not sure the exact version—check may not fix bad blocks.

SMART support is: Enabled === START OF READ SMART DATA SECTION === SMART overall-health self-assessment test result: PASSED General SMART Values: Offline data collection status: (0x82) Offline data collection activity was weblink Can you elaborate on the last paragraph a bit? md: unbind md: export_rdev(sdb1) md: md127 stopped. pravesh jangra View Public Profile View LQ Blog View Review Entries View HCL Entries View LQ Wiki Contributions Find More Posts by pravesh jangra View Blog Thread Tools Show Printable Add. Sense: Unrecovered Read Error - Auto Reallocate Failed

Hope this helps, note +1 rubylaser, you always has top-notch md advise. Are illegal immigrants more likely to commit crimes? Is sdb borked? navigate here SCT Feature Control supported.

Oct 2 15:22:25 it kernel: [1686999.697076] XFS (md0): Mounting Filesystem Oct 2 15:22:26 it kernel: [1686999.889961] XFS (md0): Ending clean mount Oct 2 15:24:19 it kernel: [1687112.817845] end_request: I/O error, dev Hdparm Yes I Know What I Am Doing same values as the logs above), but I'll keep an eye on them. There are a lot of processes stuck in the "D" state.

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The number of component devices listed on the command line must equal the number of RAID devices plus the number of spare devices. How to explain the use of high-tech bows instead of guns How much interpretation is up to the performer? Oct 2 15:24:19 it kernel: [1687112.821837] md/raid:md0: Operation continuing on 2 devices. Unhandled Sense Code Self-test supported.

How many spells can a cleric learn? Rubylaser: This array uses v90 superblock, what means that you have to erase last 128+/-64KB on the drive: eraseNumKB=256 totalSec=$(fdisk -ul /dev/sdc 2>/dev/null | grep 'total' | cut -d" " -f8) Oct 2 15:24:19 it kernel: [1687112.821837] md/raid:md0: read error not correctable (sector 881423416 on xvde). his comment is here Jan 5 01:16:24 serverlol kernel: [11300.853443] md/raid:md0: read error not correctable (sector 693766808 on sdc1).

Opts: (null)ata2.00: exception Emask 0x0 SAct 0x7ff SErr 0x0 action 0x6 frozenata2.00: failed command: READ FPDMA QUEUEData2.00: cmd 60/00:00:00:cf:70/01:00:e7:00:00/40 tag 0 ncq 131072 in res 40/00:04:00:37:4b/00:00:de:00:00/40 Emask 0x4 Visit the following links: Site Howto | Site FAQ | Sitemap | Register Now If you have any problems with the registration process or your account login, please contact us. Even bytes get lonely for a little bit! It seems to me Native Command Queuing helps to reduce drive wear and this is something you want if you are using a RAID.

nas kernel: [...] sd 5:0:0:0: [sde] Unhandled error code nas kernel: [...] sd 5:0:0:0: [sde] nas kernel: [...] sd 5:0:0:0: [sde] CDB: nas kernel: [...] end_request: I/O error, dev sde, sector nas kernel: [...] md: pers->run() failed ... SMART capabilities: (0x0003) Saves SMART data before entering power-saving mode. Right now, I would really love to have a RAID device at /dev/md0 in a clean state with three active devices /dev/sd[abc]5...

More-specific details below. It's all about managing risk. –Chris Smith Jul 17 '12 at 3:24 | show 2 more comments active oldest votes Know someone who can answer? Oct 2 15:24:19 it kernel: [1687112.821837] md/raid:md0: Operation continuing on 2 devices. It seems as if one has failed (sde1), but md can't bring the array up because it says sdd1 is not fresh Is there anything I can do to recover the

sdb1 Update Time : Tue May 27 18:54:37 2014 sdc1 Update Time : Tue May 27 18:54:37 2014 sdd1 Update Time : Mon Oct 7 19:21:22 2013 sde1 Update Time : Sure, things can go wrong there too but it's much less likely and there are risks of failure in ANY backup or redundancy strategy. In many similar cases that I have worked on recovering 99% of the data has been possible. First, check out the number of reallocated sectors on the disk: $ smartctl -a /dev/sdb | grep -i reallocated 5 Reallocated_Sector_Ct   0x0033   100   100   005    Pre-fail  Always       -       0 196 Reallocated_Event_Count

However, when I come back after several hours of rebuilding, I get this: [email protected]:~$ cat /proc/mdstat Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10] md0 : active raid5 sdc5[3](S) Ask Ubuntu works best with JavaScript enabled I'm thinking you either have a bad SATA cable or head on your motherboard. For posterity's/interest's sake, my PSU is a stock 350W one from the Antec NSK1380 (http://www.antec.com/pdf/flyers/NSK1380_flyer_EC.pdf) (PDF warning on that link!) and mobo is the ASUS M4A88TD-M. (http://www.asus.com/product.aspx?P_ID=dCFJVtaiZVk1PJCL) Drives are all WD20EARS

Now, I ran badblocks on /dev/sdc and this is what it gave me: Code: 372608088one, 2:54:54 elapsed. (0/0/0 errors) 372608089one, 2:55:00 elapsed. (1/0/0 errors) 372608090one, 2:55:05 elapsed. (2/0/0 errors) 372608091one, 2:55:11 Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the After some googling, I found that it might be down to the RAID array failing, so I checked /proc/mdstat, which shows this: [email protected]:~$ cat /proc/mdstat Personalities : [linear] [multipath] [raid0] [raid1]