The tag has no wiki summary.

learn more… | top users | synonyms

1
vote
0answers
43 views

Recovering a RAID5 with 2 disks out of the array

I don't want to approach this in a trial-and-error manner as I know this is the best thing to do if I want to loose my data. I have a server with 4*2TB disks in RAID5 (yes I know it's not wise) on a ...
23
votes
4answers
1k views

Mean Time Between Failures — SSD

The Mean Time Between Failures, or MTBF, for this SSD is listed as 1,500,000 hours. That is a lot of hours. 1,500,000 hours is roughly 170 years. Since the invention of this particular SSD is ...
1
vote
0answers
11 views

How to recover data from Intel SSD 320 Series [migrated]

I have an Intel SSD 320 Series 600GB. A few days ago, my system froze because of some irrelevant failure and I had to force the computer to turn off. When I attempted to reboot the computer, my SSD no ...
2
votes
1answer
707 views

MacBooks are destroying SSDs

I'm opening this topic to find the cause of our SSD failure rate of +50%. We work with Mac (13" Macbook Pro & 13" Macbook Air), with installations of both Mac OSX Mountain Lion and Ubuntu. 90% of ...
1
vote
2answers
190 views

How can you force linux software raid not to disable a disk for recovery?

I'm trying to recover data from a RAID5 array. 2 of my 4 disks unexpectedly failed at the same time. I am able to start the array by forcing it. mdadm --assemble --scan --force The array starts up ...
6
votes
1answer
287 views

Replace HP Smart Array E200i without losing data

I've got a Smart Array 200i which seems to have some bad slots (slot 3 and slot 5). It doesn't matter what HD I put in these slots, it keeps telling me the drive is bad. My question is two-fold: Is ...
3
votes
1answer
264 views

Steady red light on 2 HP SAS drives in RAID 1

I have a HP ProLiant web server with two HP 300GB SAS SFF 2.5 inch drives (Model: HP 507127-B21). Both drives have a solid red light, however there is no indication within the management software that ...
29
votes
10answers
10k views

How should I burn in hard drives?

Google did a very thorough study on hard drive failures which found that a significant portion of hard drives fail within the first 3 months of heavy usage. My coworkers and I are thinking we could ...
1
vote
0answers
233 views

How to change / replace a failed “system” disk on EMC Clariion CX500?

On the first DAE, the first 5 disks are considered "special" because they host the OS of the storage array. One of those 5 disks is faulty : what is the procedure to change it? By the way, what ...
0
votes
0answers
31 views

Dual Drive Failure and server restore slowness on Windows Server R2

I recently had a hosting company that had a dual drive failure within 6 minutes of each other, not sure how that could even happen. However they had to restore a backup of the server last night. ...
0
votes
0answers
92 views

SMART: Raw Read Error Rate Errors on Mirrored Drives

Thanks for reading. I have a pair of 150GB WD Velociraptors that have failed SMART status. The only fail they have is the Raw Read Error Rate, which is as follows. ...
2
votes
1answer
432 views

linux raid 1: right after replacing and syncing one drive, the other disk fails - understanding what is going on with mdstat/mdadm

We have an old RAID 1 Linux server (Ubuntu Lucid 10.04), with four partitions. A few days ago /dev/sdb failed, and today we noticed /dev/sda had pre-failure ominous SMART signs (~4000 reallocated ...
3
votes
2answers
204 views

Age replacement policy for hard disks and SSDs at servers

I'm planing an age replacement policy for our storage and servers. Most of them are for DBs and some for images (static content) so yes, they have an huge I/O everytime. Also, we use Samsung 840 Pro ...
0
votes
0answers
1k views

KVM LVM-based guest… kernel: Buffer I/O error on device. Failing drive?

Currently setting up a small KVM host to run a few VMs for a small business. The server has 2 drives in software md RAID 1, then I have it set as a PV in an LVM setup. Guests and hosts are all CentOS ...
2
votes
3answers
13k views

Reinserted a RAID disk. Defined as foreign. Is import or clear the correct choice?

I have re-inserted a RAID disk, on a DELL server with Windows Server 2008. The drive-status indicator was changing between a green and amber light, and the monitor gave the following message: ...
2
votes
3answers
5k views

S.M.A.R.T - Predictive Failure Count

I'm monitoring my IBM ServeRAID M5015 controller for RAID status with MegaCLI, I have this on one of the disk : Enclosure Device ID: 252 Slot Number: 6 Enclosure position: 0 Device Id: 14 Sequence ...
0
votes
2answers
183 views

A faulty Caviar Blue hard drive?

We have a small "homemade" server running fully updated Debian Wheezy (amd64). One hard drive installed: WDC WD6400AAKS. The motherboard is ASUS M4N68T V2. The usual load: CPU: an average of 20% ...
0
votes
1answer
172 views

Raid0 assemble disk again?

Our server recently suffered a disk failure, so our hosting provider put a new Disk in with CentOS so we can login and see if we can recover the data. We had 2 x 120 GB SSD drives in software RAID0 ...
3
votes
2answers
352 views

Is it safe to place write-intensive partitions on an SSD (in an SSD+HDD system)?

I'm setting up a (sort of) powerful workstation for SW development work on Linux. It's a Xeon system with multiple cores, 32GB memory, a large HDD and a 120 GB SSD (Samsung MZ7WD120HAFV a.k.a. ...
0
votes
2answers
48 views

re-use after logical failure [closed]

I may not have enough information for a good answer but here goes. I have a home ubuntu server with one wd 1.5 TB hard drive that was about 1.5 years old. After a 2-week shutdown it wouldn't boot. ...
1
vote
1answer
343 views

Smartarray hpacucli command not showing individual drive status

Having a problem with the HPACUCLI cmd on linux, at boot a hp p600 card is reporting an error, but I'm unable to determine which drive it is. Instead of listing the separate drive status, I get one ...
4
votes
2answers
737 views

ZFS Reporting (on FreeBSD and Linux via ZoL)

As a longtime mdadm user is was just experiencing a disk error and remembered that I configured a Auto Mail reporting for mdadm on disk errors. Therefore i just had to insert my Mail address inside ...
5
votes
1answer
1k views

HP Proliant ML350 G5 SAS HDD

I am getting problem in HP Proliant ML350 G5. Some few days back one of the SAS HDD failed. It was 146GB SAS 15krpm HDD. We got new one which is 146GB SAS 10k rpm HDD. Its on RAID 1(1+0) ...
-2
votes
2answers
129 views

How can I detect hard drive failures? [closed]

I am in charge of a large number of Windows servers. Recently, many have been reporting hard drive errors with event codes 11 and 55. CHKDSK indicates that the drives are fine most of the time. What ...
2
votes
1answer
67 views

Taking an image of a failing boot drive

Ok, so my Ubuntu 12.10 install seems to have gone slightly sideways. It currently boots from a Compactflash card that I was planning on replacing soon, but as luck would have it it's gone down now. ...
1
vote
1answer
536 views

HDD Failed in Windows Server 2008 R2

We have a windows server 2008 r2 installed dedicated server. Our provider moved our server to their new data center location recently. After this process, we cannot able to open our server. They ...
4
votes
2answers
7k views

Understanding the S.M.A.R.T. values from a Synology 1812+ device

I have a Synology 1812+ NAS with 8 3TB drives configured as RAID 5. Its running DSM 4.1. It was purchased to replace USB drives, consolidate storage and short term OS X backups using Time Machine. ...
0
votes
1answer
1k views

How to recover resize2fs failure

I was resizing my hard drive last night and was not successful. My system and drives are local on an ESXi 5.1 vm. I'm running Debian 6 x64 and have a 2TB mount that I was resizing. It was about 1.8T ...
3
votes
1answer
669 views

reliably and automatically determine connection path of physical position of HDD from /dev/sdX device file

This is kind of a FAQ, but all the answers I found so far are not suited for full automation, which is what I need. So here it goes again. In Linux: Is there a reliable way to resolve the udev ...
1
vote
1answer
231 views

Linux mdadm RAID5 data recovery with one drive failed, one drive failing

Improbably I had two drives fail in the same Raid5 array within 2 weeks of one another. Which means the array is dead. Yes yes hot spares not being lazy about replacing the failed drive I know. But ...
0
votes
1answer
2k views

Dell Open Manage physical disk failure predicted

I've installed the Open Manage Server Administrator on my Dell T100 to monitor RAID Controller and disks. From the Physical Controller report web page I see a table listing the two disks I have but ...
1
vote
1answer
397 views

Failing disks in RAID array - strategy suggestions required

I have a linux based software RAID 5 array. SMART has just started to send me emails complaining that one of the 5 disks has a Current Pending Sector Count of 9 and also an Offline Uncorrectable Count ...
0
votes
1answer
247 views

Linux RAID10 hit bad disk while re-syncing. Is it hosed?

I have a Linux software RAID10 device on md0. It's made up of 4 1TB disks sd[abcd]. Yesterday Smart emailed me to say a disk was going bad (seek errors going up and reallocated sectors). I rebooted ...
3
votes
1answer
2k views

Smart Array P400i Physical Drive failed after being replaced

We have replaced the bad drives in a few HP systems (ProLiant DL360 G5), but they continue to show failed. The drives are part of RAID, and I think this might be why they are appearing as failed. The ...
10
votes
4answers
4k views

Hard drive read errors that… stop?

My story starts out quite simply. I have a light-duty server, running Arch Linux, which stores most of its data on a RAID-1 composed of two SATA drives. It was working without any problems for about ...
0
votes
2answers
115 views

Drive stopped working on windows server 2003 and I receive a “controller error”

I have a Proliant 360 Hp server with Windows server 2003 R2. I can only access the server in safe mode. The event viewer is completely filled up with this error: The driver detected a controller ...
-1
votes
1answer
1k views

HDD Health tool for CentOS? [closed]

Does anyone know some good tool for checking HDD failure in Cent OS (Red Hat Systems) without downtime. And tell me how to use it. Thanks.
0
votes
1answer
2k views

Write-error on swap-device, Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK

My root server at 1&1 was unresponsive on HTTP and SSH, so I logged into the serial console . It flooded my connection with endless error messages like quoted below. I initiated a reboot and now ...
4
votes
1answer
2k views

Does a RAID 1 really protect from HDD failure?

If using a RAID 1 and if there are any inconsistencies between both disks found, data is copied from the primary disk (most likely the one with the lower port number) to the secondary disk. 1) But ...
0
votes
2answers
247 views

p410i Mirror failed couldnt find same disk

I have an HP server with an P410i RAID Card installed. I had two SATA Drives connected (250GB each). The RAID was configured as a Mirror. A few days ago the drive one (1) failed, and i had to remove ...
4
votes
2answers
195 views

sda1 (?) raid failed on debian - what to do now?

ispconfig says that my server has raid problems. The server is not mine, it is rented from a hosting company. The OS installation was not my business: the hosting firm did it. cat /proc/mdstat ...
4
votes
2answers
7k views

is UNC S.M.A.R.T. Error serious? need to take action?

I have a 300G Western Digital Raptor, recently showing UNC SMART, wondering anyone who has experience knows should I replace it and get warranty form WD? Details of smartctl -a as follows: smartctl ...
2
votes
2answers
659 views

mdadm failure detected on one partition

I received this rather nice email today suggesting one of the drives in a RAID1 array has failed. A Fail event had been detected on md device /dev/md4. It could be related to component device ...
3
votes
2answers
4k views

ext4 filesystem corruption — maybe hardware error?

I'm getting these errors in dmesg after about half an hour after I turn on the computer: [ 1355.677957] EXT4-fs error (device sda2): htree_dirblock_to_tree: inode #1318420: (comm updatedb.mlocat) ...
0
votes
2answers
951 views

Hard drives continuously failing in Fujitsu RX300 server

We look after a Fujitsu RX300 S4 server that has 6 x 500GB SATA drives in a RAID-6 array, running from an LSI MegaRAID card (built into the motherboard). A couple of weeks ago, one hard drive ...
10
votes
1answer
4k views

How can I tell if a disk is failing on ESXi / what do these errors mean?

I have a server running VMware ESXi v4.1.0 348481. It has a hardware RAID10 and a SATA backup drive. I have a VM running which has it's primary boot vmdk on the RAID10 datastore, and a 600 GB vmdk on ...
1
vote
1answer
11k views

Raid 1 disk failure recovery on Dell Poweredge 2850 - how to repair?

Ive just spotted an amber disk error message on my 2850, E0D76 BP drive 4 fail. Drives are ULTRA 320 SCSI. Its been a while since this server was set up so I cannot be abolutely sure my memory is ...
0
votes
4answers
569 views

A drive is failing on Windows Server 2003. How should I back it up? How should I restore it?

My drive is failing and I have a new one ready to go. Can I just create a BKF file on a separate drive with the Backup utility, then shut down, swap in new drive for failing one, insert Windows ...
0
votes
2answers
438 views

CentOS server boots but won't allow login (ext3_abort_called, remounts read-only)

I've got a CentOS 5.5 server (HP ProLiant with two-disk RAID array) that was working fine until a power failure last week. (Long story, but UPS was not properly configured at that time.) After the ...
0
votes
2answers
167 views

Hard Drive Failure

I posted this a few days ago: http://serverfault.com/questions/175917/unable-to-write-to-root-partition We thought that an add on card may have been conflicting with the motherboard, so we installed ...