Server Fault Stack Exchange
Server Fault Stack Exchange

Questions tagged [data-recovery]

Reclamation of deleted or otherwise removed/corrupted data (files)

Reclamation of deleted or otherwise removed/corrupted data (files). The level of complexity of such a task varies from simply "Restoring" a file (from a Recycle Bin) to using advanced tools to analyze the filesystem and rebuild previously deleted/corrupted data.

445 questions
3
votes
0 answers

Please help recovering lost volume group

After a reboot, the volume group on my server completely disappeared. [root@dal01 log]# vgdisplay No volume groups found [root@dal01 /]# lvdisplay No volume groups found [root@dal01 ~]# pvdisplay (pvdisplay displays nothing) [root@dal01 log]# df…
viniciusmunich - AssabetTech
  • 41
  • 1
  • 5
3
votes
1 answer

Recover mdadm RAID 10 array: listing all as spares

I'm a bad person and haven't backed up my RAID elsewhere. I now have a RAID10 array that won't assemble, and I'm hopeful I can save it. Here's the details: I have five hard drives set up as RAID10 (4+1 Spare). For unknown reasons, two failed and…
Eddie Parker
  • 571
  • 1
  • 4
  • 10
3
votes
1 answer

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. The boot process gets to a certain point and then…
alanbeard
  • 141
  • 9
3
votes
3 answers

Recovering data from a damaged disk

So have this problem. Have a 500G disk with data that has crashed. I need to recover the data. I used ddrescue to first create an image and I have recovered 455G to that image. Now, I do not know what the fs of the original disk was (it was linux…
Kid_A
  • 31
  • 1
3
votes
2 answers

Recover a deleted partition by mistake (FAT32)

I deleted by mistake a FAT32 (I think it was fat32) partition in a external drive, searching I got through this post: http://www.tomshardware.co.uk/forum/229699-14-erased-partition-external-hard-drive-mistake-help but trying all the nice tools they…
user761076
  • 199
  • 1
  • 2
  • 10
3
votes
2 answers

Proliant RAID 1 Rebuild Questions

I have a HP Proliant ML350 G5 server that experienced a power supply failure overnight. The power supply was replaced but unfortunately it got restarted with only 1 disk in the RAID 1 set plugged in. (The raid controller is the build in E200i). The…
Nicholas
  • 245
  • 1
  • 4
  • 12
3
votes
1 answer

Recovering data from SAS drives after failed SAS Controller Card?

The SAS Controller Card in a production server of ours went bad. This was an older server, and Dell does not have the card in stock and not ETA for one. So, I ordered one from NewEgg. I installed the card, and it's working, somewhat. It's at least…
mistiry
  • 276
  • 3
  • 11
3
votes
5 answers

How to recover deleted files on ext3 fs

I have a drive which was using the ext3 filesystem. I am told that about 10Gb of data was deleted off the drive (probably via rm). The drive is currently mounted as read-only to preserve all data. Does anyone know of a method to restore some or…
Mike
  • 394
  • 3
  • 7
3
votes
2 answers

MDADM RAID 5 data recovery

Thanks for reading this thread and I thank you in advance for any help you can provide. So this is what happened... I noticed that my MDADM RAID 5 array with drives ordered: /dev/sd[EFGHIABCDKJ]1 reported a failed drive -- /dev/sdb1. I stopped the…
user48963
  • 31
  • 2
3
votes
4 answers

Mistakenly ran an update statement on table

We have mistakenly ran an update statement on one of our Columns in a SQL table. We don't have a backup of the table nor the database. Can any one help us to retrieve the values of the Column before the update.
Dasharath Yadav
3
votes
5 answers

Disk failed part way through 3ware RAID 5 rebuild

I have a 3ware 9650SE RAID controller with a RAID 5 array containing 15 Seagate ST31000340NS disks. After noticing ECC errors in the Port 10 drive I replaced it with a spare and began a RAID rebuild. Part way through the rebuild the Port 5 disk…
Dan
  • 31
  • 1
  • 3
3
votes
2 answers

Accidentally overwrote first 400MB of hard drive with ext3 partition - possible to rescue?

Accidentally wrote /dev/zero to the first 371MB of a 500GB disk. Is it possible to rebuild the partition table and/or recover what data hasn't been overwritten?
wg
3
votes
5 answers

Recovering from Two Failed Drives in a Six-Drive Raid-5 Array

Over the weekend two drives failed on one of our development machines and I lost a lot of work. The machine has six 300gb drives in a raid 5 array. Our system administrator tells me that if only one drive failed it would be possible to recover. …
Daniel
  • 169
  • 1
  • 8
3
votes
2 answers

Restore NTFS partition from linux

One of my unscrupulous users decided to format his Windows XP NFTS hard-disk before he left the company. Are there any Linux based tools that would allow me to rebuild the partition?
Garry Harthill
  • 864
  • 1
  • 11
  • 17
2
votes
1 answer

zfs rollback/recovery of snapshot on different server

I have created a snapshot of zroot/jails/jail1 as jail1@2020-01-10T17:31:40 on server1 and sent this snapshot to zroot/backups/jail1 on server2 The snapshot was properly created on the server2 machine as root@server2# ZFS list -t snapshot NAME …
LongHike
  • 157
  • 1
  • 6
1 2 3
…
29 30