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Hdparm Read-sector

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As the drive is listed as having a 300,000 LCC warranted value for it's 3 year warranty period, the people who discovered this info last year were pretty surprised to see md: unbind md: export_rdev(sda1) md: unbind md: export_rdev(sdc1) md: unbind md: export_rdev(sdb1) md: md0 stopped. It thus kicks the disk out of the array, and with a double-disk failure, your RAID5 is dead. In many similar cases that I have worked on recovering 99% of the data has been possible. this contact form

Number Major Minor RaidDevice State 0 202 32 0 active sync /dev/sdc 1 202 48 1 active sync /dev/sdd 2 202 64 2 active sync /dev/sde 4 202 80 3 active Self-test execution status: ( 0) The previous self-test routine completed without error or no self-test has ever been run. If you need to reset your password, click here. If that works, you should be able to repeat the previous process to completely remove the mirror.

Hdparm Read-sector

Oct 2 15:24:19 it kernel: [1687112.821837] md/raid:md0: read error not correctable (sector 881423432 on xvde). In the unlikely event a second read does succeed, some disks perform a auto-reallocation and data is preserved. Oct 2 15:24:19 it kernel: [1687112.821837] md/raid:md0: read error not correctable (sector 881423408 on xvde). This looks like a small NAS with, I assume, consumer grade drives.

I've only attempted to re-sync it twice. You are trying to deliberately overwrite a low-level sector on the media This is a BAD idea, and can easily result in total data loss. Auto Offline data collection on/off support. Sense Key : Medium Error [current] To do this I pulled the plug on one of the disks (sdd).

SMART Attributes Data Structure revision number: 16 Vendor Specific SMART Attributes with Thresholds: ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE 1 Raw_Read_Error_Rate 0x002f 200 200 051 Pre-fail Always While writing data, pulling the power may lead to hitting the RAID5 write hole. This number can only be changed using --grow for RAID1, RAID4, RAID5 and RAID6 arrays, and only on kernels which provide the necessary support. -x, --spare-devices= Specify the number of spare Have you looked at your logs to see if it's showing drive disconnects?

I am able to start the array by forcing it. Hdparm Yes I Know What I Am Doing so, this is still driving me completely nuts! Suspend Offline collection upon new command. It shouldn't matter for your RAID recovery process. –sciurus Mar 8 '11 at 23:52 In that case, it now boils down to one thing: How do I reboot? :)

Add. Sense: Unrecovered Read Error - Auto Reallocate Failed

Oct 2 15:24:19 it kernel: [1687112.821837] md/raid:md0: read error not correctable (sector 881423384 on xvde). 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? Hdparm Read-sector What kind of bugs do "goto" statements lead to? Hdparm Make Bad Sector Is the ability to finish a wizard early a good idea?

nas kernel: [...] md: unbind nas kernel: [...] md: export_rdev(sde1) nas kernel: [...] md: kicking non-fresh sdd1 from array! weblink 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. This will require another disk (you can run a four- or even three-disk RAID6, you probably don't want to). Can anybody help me? Hdparm Repair-sector

Oct 2 15:24:19 it kernel: [1687112.821837] md/raid:md0: Operation continuing on 2 devices. If that works then I'm pretty confident that NCQ and possibly other power-saving features of the WD Green drives are the culprit. Good backups. navigate here Even bytes get lonely for a little bit!

The raid had 6 drives in it and then an ssd for bcache Hot Network Questions What does the word "most" mean? Hdparm Pending Sector Auto Offline data collection on/off support. SCT Feature Control supported.

Conveyance Self-test supported.

Why?3Resize MDADM/Software RAID underlying partition and filesystem3Replacing a disk to RAID5 failed4How do I (re)build/create/assemble an IMSM RAID-0 array from disk images instead of disk drives using mdadm?0mdadm 2x Raid 5 Not very satisfactory, though. The adjectival use of "chao" Setting the target on an internal link field Can Feudalism Endure Advanced Agricultural Techniques? Unhandled Sense Code md: bind md: md127 stopped.

May 28 '14 at 11:39 Just to do the math, you have 2TB * 8 bits/byte * 3 drives = 4.8E13 bits of storage to read for rebuild. Helix and Computed Index Fields with DI more hot questions question feed about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology I cannot hot-swap a replacement drive in, and don't want to leave the array running in a degraded state. http://lebloggeek.com/read-error/copy-protection-error-the-read-failed-because-the-sector-is-encrypted.html 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

Oct 2 15:24:19 it kernel: [1687113.685151] Buffer I/O error on device md0, logical block 96 Oct 2 15:24:19 it kernel: [1687113.691386] Buffer I/O error on device md0, logical block 96 Oct I have an opinion, which is considered mostly heretic in "professional system administrator" circles. Jan 29 18:19:54 dragon kernel: [66774.973059] raid5: Disk failure on sdb6, disabling device. Blogs Recent Entries Best Entries Best Blogs Blog List Search Blogs Home Forums HCL Reviews Tutorials Articles Register Search Search Forums Advanced Search Search Tags Search LQ Wiki Search Tutorials/Articles Search

Opts: (null)EXT4-fs (dm-3): mounted filesystem with ordered data mode. The third drive re-adds as a "spare", like so: [email protected]:~$ sudo mdadm --detail /dev/md0 /dev/md0: Version : 00.90 Creation Time : Wed Feb 9 18:30:11 2011 Raid Level : raid5 Array Should non-native speakers get extra time to compose exam answers? Everything went fine so I tried re-adding the disk with mdadm --add /dev/md0 /dev/sdd, mdadm was rebuilding the array so after a couple of hours I checked and something went wrong,

Make sure that the array gets scrubbed for bad blocks routinely. nas kernel: [...] md/raid:md0: Operation continuing on 2 devices. Difference between a clue and a cue? After this I tried to add sdd but without success.

Everything worked fine, and I was able to format the device as ext4 and mount it. In such case array can be assembled both as partition-based and device-based, but one of those arrays will be broken. Try putting this drive on a different head and different cable, and rebuild the array again. SMART is most valuable when You can tell what have changed, so its good idea to save current reports.

D Mar07 0:00 smbd -F ... Does anyone have any idea as to how I can re-create my RAID5 properly without having to re-install again, or as to why this might be happening? :-? When I used, I used the dmsetup tool to do all of my such tasks. –peterh Aug 26 '14 at 8:49 add a comment| Your Answer draft saved draft discarded Conveyance self-test routine recommended polling time: ( 5) minutes.