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
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If my RAID card fails, how likely is it to corrupt the RAID?

My RAID card does not currently have a battery installed and its write mode is set to write-through. Data is rarely written to the RAID - large batches of data come in maybe every other week. Daily use is read-only. The card hosts 4 different RAID…
Phil
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Electricity gone off while shrinking database, how can I recover my database?

While executing a shrink on a 25GB database, the electricity has gone down, and I can't access my database. It shows as "In Recovery". How can I recover it?
Saw
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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 Machine backup disk must also be encrypted. One…
John Siracusa
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Hosting server's harddisk crashed

My hosting provider has told me that the server harddisk that I am currently using is crashed and they failed to recover most of the data and they only managed to recover some files or folder from the crashed HDD (Less than 1%) by utilising the…
cww
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VMWare VMs to Data Domain storage via EMC Networker backup: Do I need a storage node?

I've got several VMs (Windows Server 2003-2008 R2, application servers, Exchange, SQL, small file servers) residing on ESXi 4.1 hosts. We recently purchased a Data Domain system allowing us to backup our data and have it deduplicated, compressed,…
music2myear
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How to perform repair operations on ddrescued image?

How can I perform Testdisk or fsck on HDD image file created by ddrescue? Can I mount it and then will it be writable drive? First thing I would like to try is to recover superblock on image.
Michael
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How can I mount a VXFS file system under linux or windows?

Old unix server crashed and now will not boot up, the drives are still accessible though. I need to move the data from that server to a Red Hat server. I was going to use a boot cd to copy the data to a USB drive but I coulnd't find one that can…
evolvd
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I accidently removed init.d directory! What can I do to recover it?

This is kind of scary! I removed /etc/init.d directory! How can I recover this directory? I know that if I restart my computer now I won't see my linux again! Please advice!
user24912
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Can anybody recommend a good data recovery strategy?

So lets say you've failed at preventing a drive failure, and also, you've failed to make a backup of said drive. Push has come to shove and now you need a way to recover you're precious data. Has anybody out there run into this situation? And if so…
Jurassic_C
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How can I recover files from a disk with crc errors?

Details: Windows 7 32-bit 2.5" laptop disk with two partitions (A & B). When mounted via USB, files on partition B can be accessed fine. Partition A was working intermittently, but is no longer readable via any Windows tool I've tried. CRC error…
Sam C
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Hacked raid 5 on an enterprised system

Here is my problem (big problem). I have a site that is using a Dell s310 with perc3. The raid is a 5 mirrored. It was hacked and used as a email server. Passwords were changed and now it will not even load the sign in screen. I need to get the data…
Tim
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How can I re-assemble (or recover data from) a mdadm RAID5 array?

I'm trying to recover whatever data I can from a RAID5 array of a failed NAS. The disks were physically moved to another server that so they could be imaged, but Knoppix "helpfully" detected and recovered the array on boot:- [ 677.791667] md: md0…
Kanji
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Rescue as much data as possible from damaged tape

We have some data on very old DDS (1,2 and 3) DAT tapes. I tried reading them with: dd if=/dev/st0 of=file bs=32k but get many partial blocks and sometimes IO errors. Have also tried with: dd if=/dev/st0 of=file bs=32k conv=noerror which does not…
Pim Schellart
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EXT3 File recovery after OS re-install

I know the probability of this is very low, but I have a 250G hard drive that I just reformatted and re-installed the OS on (centos, ext3). It turns out there was one large file (a 20G xen image) on that disk that we should have saved. The hard…
John P
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How to retrieve files from a drive that has lost its master boot record

We have a developer who lost their MBR on their laptop and we would like to recover the sourcecode on his drive does anybody have any suggestions on recovering this data. We have used FixBoot.exe and FixMBR.exe to replace the damaged boot record…
Jeremy E
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