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

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2
votes
2answers
13k views

How to recover XFS file system with “superblock read failed”

I have a disk from a Buffalo LinkStation that has an XFS partition on it that I cannot mount. Plugging the disk into an SATA->USB caddy on an Ubuntu box. I get the following: $ sudo fdisk -l ...
33
votes
4answers
14k views

Recover RAID 5 data after created new array instead of re-using

Folks please help - I am a newb with a major headache at hand (perfect storm situation). I have a 3 1tb hdd on my ubuntu 11.04 configured as software raid 5. The data had been copied weekly onto ...
4
votes
4answers
3k views

I overwrote a large file with a blank one on a linux server. Can I recover the existing file?

I came back to my machine, tried saving a file over ssh onto my linux server (CentOS). It failed. I wasn't interested in keeping any changes I had made so I closed my editor and reopened the file ...
3
votes
5answers
4k views

How can I back up and replicate a large MySQL database?

How can I backup a large database in mysql? And what is the best way to replicate the database? what i'm looking for is backing up large database with large amount of data in a small time limit ...
115
votes
4answers
6k views

All servers flooded by salt water, is it possible to recover data from multi-platter drives?

All of my servers are currently flooded by salt water. Is it possible for each platter in a multi-platter drive to be separated, cleaned, imaged, and merged into a new virtual drive for data ...
19
votes
8answers
17k views

RAID-5: Two disks failed simultaneously?

We have a Dell PowerEdge T410 server running CentOS, with a RAID-5 array containing 5 Seagate Barracuda 3 TB SATA disks. Yesterday the system crashed (I don't know how exactly and I don't have any ...
3
votes
5answers
2k views

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. ...
2
votes
1answer
328 views

Recover ext3 files from hard disk with bad sector

I have a folder of about 5GB that suddenly disappeared. When I checked its hard disk, I found out it has bad sector for about 2-3MB on this folder. Maybe it is on the folder's pointer. The partition ...
0
votes
2answers
3k views

data lost with RAID5 on proliant DL360 when drives fail

For some reason the Array Controller on my Proliant DL360 G6 couldn't recognize 2 of the 6 750GB drives I am running in a RAID 5 configuration with VMware ESXi 5.1. When I rebooted the server I chose ...
2
votes
2answers
3k views

Recovering from a Time Machine backup encrypted with PGP Whole Disk Encryption

Our entire organization requires PGP Whole Disk Encryption (WDE) to be used on all laptop and desktop computers. For Macs running Mac OS X 10.5 or later that are using Time Machine, the (local) Time ...
2
votes
1answer
95 views

How to recover data from a Windows 2003 Server HP StorageWorks Ultrium 448 Backup via Linux?

I have a scenario where I have to recover a backup from an Ultirum 448 tape medium that was made on Windows 2003 server. The only system that I have available for recovery is a Linux server with ...
1
vote
2answers
855 views

What are my options with a downloaded Rackspace cloud image?

I've got an unresponsive Rackspace slice that has defied all attempts at accessing. I created an emergency image from this and deleted it, downloading the files that compromise the image to a local ...
3
votes
5answers
996 views

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 ...
1
vote
1answer
2k views

HP P410i Array Controller and lost logical Drive

Today earlier we lost the logical drive information for a 4 drive raid array that was array B! The system had two arrays A and B A being the single system drive and B the Data drive of 4 x 136Gb ...
1
vote
0answers
2k views

Can you recover a mysql database completely from ibdata1, log and frm files?

Okay, so bouncing off my other question this morning, we had one of our team members run "sudo chmod 775 /" by accident. It brought down the entire site.. Once I was able to get in, nginx came up ...
1
vote
1answer
199 views

Recover overwritten filesystem

I made an oopsie- insofar as a filesystem with important data was overwritten as an LVM volume. I never actually wrote any data to the disk though, only hosed enough of the partition table to mark it ...
1
vote
2answers
218 views

How to recover from RAID 5

there are 5 disk-array. i've lost the data of one of them. How can i recover? I don't know where to start?
0
votes
1answer
84 views

RAID5 rescue with LVM2 running on it

I have a RAID5-array consisting out of 6 1TB drives. Recently with hardware changes i needed to recreate the raid to rewrite the bootloader on each drive. Now the problem starts. Starting the Debian ...
0
votes
1answer
2k views

Restore old Backup Exec tapes with NTbackup

I've got old backup tapes made with previous versions (v10 and v12) that I need to pull data from (related to this prior question). I have a machine set up with Windows Server 2008 and a trial ...
0
votes
1answer
724 views

How can I recover data from two good disks in a RAID 10?

I have a Lacie Ethernet RAID disk NAS box. I configured the 4 disks in a RAID 10 config. The Lacie unit will not let me make CIFS connections to the box stating "Shared Folders: Not Ready" but I can ...
0
votes
1answer
863 views

After DB disk failure, now “cache lookup failed for index”

After resolving some problems with the network drive on which our Postgres database was hosted, we encountered this error: OperationalError: FATAL: cache lookup failed for index 2662 That ...
-1
votes
1answer
148 views

Disaster recovery. MDADM/LVM2 Some advance but stuck on final mount

We made a stupid upgrade on a running server using wrong repositories and the system became totally unbootable. The system, a SLES 11 we used a openSuse repository to upgrade, and everything went ...