Home > Read Error > Read Error Not Correctable

Read Error Not Correctable

Contents

Are illegal immigrants more likely to commit crimes? I smiled when I saw the similarities, though. –EEAA♦ May 27 '14 at 23:26 Haha, for sure. –Shane Madden♦ May 27 '14 at 23:28 Thanks @EEAA. If I had just done a bit more research about what I was doing before I went ahead bought my gear, then I wouldn't have got the same drives - you Granted, it's RAID1, not RAID5. this contact form

When I run badblocks around these blocks I get:[[email protected] ~]# badblocks -b 512 -o badblocks-sdb.txt -v -n /dev/sdb 3882927432 3882927360 Checking for bad blocks in non-destructive read-write mode From block 3882927360 Apparently, there is a hot spare: Oct 2 15:08:51 it kernel: [1686185.615772] md: recovery of RAID array md0 Oct 2 15:08:51 it kernel: [1686185.621150] md: minimum _guaranteed_ speed: 1000 KB/sec/disk. After unmounting the raid to do an fsck, something happened (though it didn't say!), it's like the RAID array just disappeared.Here's the dmesg: http://dpaste.org/1oUi/ snippet below:md0: detected capacity change from 4000795590656 more hot questions question feed about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation Science

Hdparm Read-sector

In /var/log/messages I can see: read error not correctable (sector 753682864 on sdc). Everything worked fine, and I was able to format the device as ext4 and mount it. The benefit of this is that you can pull the array out of one system and put it into another, an bring your array right back up, because the drives contain That's the drive that always is showing as rebuilding.

Oct 2 15:24:19 it kernel: [1687112.821837] md/raid:md0: read error not correctable (sector 881423376 on xvde). nas kernel: [...] md/raid:md0: Operation continuing on 2 devices. Rebuild with new hardware and restore from backup. Sense Key : Medium Error [current] I'm guessing that sdc was sdb at the time when your array was degraded -> it has Raw_Read_Error_Rate of 63 -> there were real read problems that could lead to big

Luckily, this doesn't include any rocket science. Add. Sense: Unrecovered Read Error - Auto Reallocate Failed haven't decided exactly how yet.. md: unbind md: export_rdev(sdb) md: md0 stopped. [email protected]:~$ cat /proc/mdstat Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10] md0 : active raid5 sdc5[3] sdb5[1] sda5[0] 3779096448 blocks level 5, 64k chunk, algorithm 2 [3/2] [UU_] [>....................]

Browse other questions tagged linux raid software-raid raid5 or ask your own question. Hdparm Yes I Know What I Am Doing why? –Mei Oct 7 '13 at 21:56 @David - Can you show how you created your array? How can I check it?edit: Trying to recover.[[email protected] ~]# cat /proc/mdstat && mdadm --detail --verbose /dev/md0Personalities : [raid6] [raid5] [raid4] [raid0]md0 : active raid5 sda1[0] sdc1[3] sdb1[1] 3907024640 blocks 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

Add. Sense: Unrecovered Read Error - Auto Reallocate Failed

NOTE: On older kernels—not sure the exact version—check may not fix bad blocks. 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. Hdparm Read-sector DDoS: Why not block originating IP addresses? Hdparm Make Bad Sector Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign up using Facebook Sign up using Email and Password Post as a guest Name

Also, I thought newer kernels were much more hesitant to kick out for bad blocks—but maybe you're running something older? http://peakappcare.com/read-error/read-error-in-data-read-ansys.php X-ray confirms Iam spineless! if you have any ideas as to how I might be able to get to this point, I'd love to hear them! a file storage server on a home network which will only be used by one or maybe two users at a time.) Most people on the forums seem to recommend turning Hdparm Repair-sector

What could be a good translation of 'stable'? Offline Pages: 1 Index »Kernel & Hardware »[SOLVED] mdadm / RAID trouble Board footer Jump to Newbie Corner Installation Kernel & Hardware Applications & Desktop Environments Laptop Issues Networking, Server, and This book contains many real life examples derived from the author's experience as a Linux system and network administrator, trainer and consultant. navigate here 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

what does one mean by numerical integration is too expensive? Hdparm Pending Sector md: md127 stopped. And this here is md attempting to read a sector from xvde (one of the remaining three devices).

SSH makes all typed passwords visible when command is provided as an argument to the SSH command Why does my created Amazon IAM user get "We can not find an account

All three drives came up as 'active sync'. 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 I've previously tried all those things to the letter, unfortunately, no dice. Unhandled Sense Code Auto Offline data collection on/off support.

It's a 4 disk array made of 750GB drives (/dev/sd{b,c,d,e}). I'm not sure why its being labeled as a spare—that's weird (though, I guess I normally look at /proc/mdstat, so maybe that's just how mdadm labels it). Self-test supported. http://peakappcare.com/read-error/read-error-not-correctable-sector.php They hope these examples will help you to get a better understanding of the Linux system and that you feel encouraged to try out things on your own.

Password Linux - Server This forum is for the discussion of Linux Software used in a server related context.