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3
votes
2answers
828 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
5k 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
1k 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
5k 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
12k 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
667 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
453 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
168 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 ...
6
votes
3answers
387 views

Why Do Hard Drives Fail?

I'm just quite interested in the reasons why hard drive failures occur. Some people say that it's because it was handled poorly during the shipping and transportation processes while others say that ...
13
votes
6answers
14k views

How to recover from a drive failure in a RAID 5 configuration?

This morning a drive failed on our database server. The drive array (3 disks) is setup in a RAID 5 configuration. While we wait for a drive replacement we are preparing for a recovery strategy. Users ...