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

learn more… | top users | synonyms

1
vote
1answer
1k views

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.
0
votes
2answers
190 views

Scan ext4 partition without mounting it

My Ubuntu HDD failed today(hardware). I can't mount it, but there are some files which I need to recover before I get manufacturer replacement. Is there any software which will let me scan device ...
0
votes
2answers
555 views

recovering data from raid1 component disk

Need to recover data from raid1 component disk using ubuntu live usb disk. The existing software raid was broken. After many attempts, I removed degraded raid setup from BIOS but ubuntu live could not ...
3
votes
2answers
209 views

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: ...
1
vote
1answer
137 views

Files disappeared from server, old ones shown instead

Recently I ran into a very strange phenomenon with one of the servers I manage used to serve samba shares over the local network. It was running Ubuntu Server 8.04 and I decided to upgrade the ...
1
vote
1answer
211 views

RAID5 Array issues - copy data or replace drive first

I have inherited a critical situation as follows. 2 x 16-Disk RAID5 Storage systems (one holding master data, one holding backups) Backup system had no monitoring and two disks failed so all data ...
6
votes
4answers
296 views

Join large overlapping files

I am trying to recover a (MySQL) database from a crashed disk. There are a number of recent dumps, which are corrupted bz2 files. Since the database does not change often, the dumps should be nearly ...
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 ...
1
vote
1answer
472 views

3ware 9650SE-2LP “sync” after a drive failure

I have a 3ware 9650SE-2LP card that was set up to mirror two 1 TB disks (let's call them Disk A and Disk B). A couple of months or so ago the array stopped working (gave me an error at boot-up saying ...
0
votes
1answer
620 views

File restore after Windows SBS 2011 Shadow Copy

I recovered my drive D with a shadow copy of November 2011 by accident, now all my files all users at our company created are gone and there is no single external backup. Can I recover the files with ...
0
votes
1answer
2k views

How to repair mysql database

I have a database server(Fedora 14) which mysql is running as the database server. Recently that server broke down and I was only able to get the database directory from the server. I have tried to ...
5
votes
1answer
487 views

Corrupt files' contents, while FS is OK

Looks like my USB HDD is old and corrupted: rsync: read errors mapping "path/to/file.jpg": Input/output error (5) Syslog: kernel: [58927.940676] sd 6:0:0:0: [sdb] Unhandled sense code kernel: ...
1
vote
1answer
335 views

Recovering a deleted Firebird database file?

I've got a client running a radio server which essentially uses Firebird as the database. (Databases are stored in files ending in *.fdb anywhere on the filesystem, think SQLite) I had to reinstall ...
2
votes
3answers
4k views

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 ...
0
votes
2answers
3k views

recovering deleted files on Centos ( Software Raid)

I had a server, 2 mirror hard drives ( software raid) CentOS5. Some one access to my server and delete many files on server. I tested the hard by testdisk but it just find the folders and not it's ...
0
votes
2answers
88 views

Free data recovery tools vs a data recovery company? [closed]

Consider a simple data recovery scenario where there is data that needs to be recovered from a disk that isn't damaged, i.e. the disk was formated, and possibly some data overwritten (vs water, burn, ...
-4
votes
4answers
547 views

Deleted file from server using cuteftp.No local backup.How to restore [on hold]

Files on server is deleted from my windows hosting server (Dedicated Hosting Server -Leaseweb.com). I deleted files using cuteFTP.Can i recover files by logging in to my dedicated server remotely. ...
1
vote
3answers
970 views

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!
0
votes
1answer
1k views

mdadm and RAID-5 recovery

I am encountering some problems with my RAID-5 array, using mdadm and Debian. First of all, I lost a drive (completely, it is not even recognized by the BIOS), then I replaced it with a new one; ...
3
votes
1answer
544 views

Does tarring up small files into one big tar file before writing them to tape increase the level of data loss when an error occurs?

I've been looking at our backups recently and noticed that the tape throughput is a lot lower when writing lots of small files, so was thinking of tarring those small files up into one big tar file ...
0
votes
2answers
13k views

mount: wrong fs type, bad option, bad superblock on /dev/sdb on CentOS 6.0

Some how my partition on /dev/sdb has gotten all buggered up. This hard drive contains a lot of data that I need to recover and haven't been able to backup yet. WHen I attempt to mount it: #mount -t ...
4
votes
2answers
2k views

Any way to recover ext4 filesystems from a deleted LVM logical volume?

The other day I had a proper brain fart moment while expanding a disk on a Linux guest under Vmware. I stretched the Vmware disk file to the desired size and then I did what I usually do on Linux ...
0
votes
1answer
153 views

copy a MySQL table which has data in ibdata file

I have a database in MySQL with several tables. Some of the tables only have .frm files. Some have .frm .mdy .mdi I believe data for the .frm tables is in the ibdata file. There is a lot of data in ...
1
vote
4answers
9k views

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 ...
2
votes
2answers
99 views

Hacked raid 5 on an enterprised system [closed]

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 ...
-1
votes
1answer
191 views

Help, ive just corrupted my ext4 partition

After troubleshooting problems with my mdadm config and kernel settings for about a week now i got careless and left my data drives plugged in after a successful boot test. i was attempting to change ...
2
votes
1answer
4k views

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 ...
0
votes
1answer
1k views

How to recover data from failed Intel Matrix Storage Console rebuild process?

I have a server with 3 hard drives: one System Drive and two drives in RAID1 for data. Raid1 is done via Intel Storage Matrix software. Today Intel Storage Matrix said that array is degraded and must ...
2
votes
2answers
205 views

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 ...
28
votes
4answers
6k views

ZFS on FreeBSD: recovery from data corruption

I have several TBs of very valuable personal data in a zpool which I can not access due to data corruption. The pool was originally set up back in 2009 or so on a FreeBSD 7.2 system running inside a ...
2
votes
2answers
87 views

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 ...
1
vote
1answer
460 views

volume group disappeared after xfs_check run

EDIT** I have a volume group consisting of 5 RAID1 devices grouped together into a lvm and formatted with xfs. The 5th RAID device lost its RAID config (cat /proc/mdstat does not show anything). The ...
0
votes
1answer
77 views

Server hard drive crash, need a way to retrieve database meta data

My development server hard drive crashed and i was running Microsoft sql server on it as my database. I was wondering if its possible to export the databases or copy the meta data? the only way i can ...
1
vote
3answers
193 views

Automatic Incremental Off-Site Backups

I'm running a Linux server where incremental backups (ideally daily) are required. I want things to remain fast, but for the backups to be reliable. I'll be using Apache and a MySQL database, what's ...
5
votes
2answers
5k views

Ext4 superblock corrupted after successful(?) mdadm grow and resize2fs

Some system details AMD Phenom II X6 1090T, 16GB DDR3 1600 running 11.04 natty, 2.6.38-8-server Raid in question consists of 5 SATA drives; 4 Samsung, 1 Western Digital; 500 GB each Drives are ...
0
votes
2answers
916 views

Data lost by VirtualBox [closed]

An Ubuntu LTS 10.04 vdi I was running crashed, and I'm unable to boot from it. I get stuck in initramfs. I'm able to mount the image as a secondary device on a working Ubuntu LTS 10.04 image, after ...
1
vote
1answer
1k views

Stuck in initramfs, need to recover data

I'm running Ubuntu LTS 10.4 on Virtualbox. Out of nowhere, I'm unable to boot into my VM and I get stuck in initramfs. I have another Ubuntu VM that I can mount the virtual HD to. I just want to ...
2
votes
1answer
788 views

Recovering Accidentally Destroyed LVM2 Information

Ok, so I'm stupid and made a serious and grave mistake. On my linux box running Ubuntu 10.10, I have a 1.5TB RAID array that I had originally setup using the instructions located here: ...
1
vote
1answer
1k views

Restore Windows Server backup into a smaller partition

A Windows Server 2008 R2 machine was mistakenly partitioned. The system partition is now larger than it should be. Because Disk Management doesn't let me shrink the partition to the desired size, I ...
2
votes
4answers
345 views

Does using vmdks improve / mitigate the risk of forensic data recovery?

If I want to mitigate the risk of data recovery from a disk drive resold as surplus equipment, how would the use of virtual disks assist? For example, if I have half a dozen vmdks on a 1TB drive (for ...
0
votes
1answer
195 views

[Fedora 14][LVM2&EXT4] Overwritten partition config

Accidentally, I deleted my '/etc' & '/bin' folder (I know, my fault). Then, I boot liveCD and tried to copy or fix this issue. And then when I can't figure nothing to fix it, I don't know why, I ...
1
vote
1answer
71 views

Windows 2000 Server failed drive recovery

Does anyone have any suggestions or recommendations for good data recovery software for a Windows 2000 Server. The most important drive recently failed and while there was a backup, it was two weeks ...
2
votes
3answers
2k views

How to make a byte for byte copy of a drive? [duplicate]

Possible Duplicate: Using DD for disk cloning What's the easiest and most reliable, risk free, way of making an exact copy of a hard drive? We have a drive that's been messed up by someone ...
1
vote
2answers
1k views

Damaged Disk with ESXi Data Store needs Recovery

We have a server which has a single 2TB drive in it (it was part way through an upgrade). During this upgrade, the engineer had moved all the Virtual Machines from the main drive set on to this 2TB ...
2
votes
1answer
2k views

Tar not preserving Owner/Permissions

I have a file system backup in a tar archive, created with: cd / && tar -cpz -f mybackup.tgz usr/local Doing a tar tvzf mybackup.tgz yields: -rw-rw-r-- otto/otto 450 2010-04-15 ...
1
vote
1answer
117 views

Oracle EE 11.2g: how to generate fresh new redo logs

In the company I work for we are heavy users of VMware machines. Almost all our projects are developed inside a virtual environment up to the point where we have to deploy them into a production ...
3
votes
2answers
11k views

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. ...
1
vote
2answers
2k views

ESXi 3.5 Corrupted (flat & delta) vmdk files

Today, I found that one of my VM hosted in ESXi 3.5 cannot be started, the error in /var/log/messages was Mar 14 00:56:21 vmkernel: hda: dma_intr: status=0x51 { DriveReady SeekComplete Error } Mar ...
0
votes
0answers
106 views

Restore Apache Configuration

can anyone please tell me how to restore an apache configuration from backup ? from /etc/httpd/conf/httpd.conf.backup thank you
1
vote
1answer
236 views

How can I recover My Documents from a Vista client that was connected to a SBS 2003?

We had a Windows Domain with a SBS 2003 as a server. The server crashed. We used the Windows Vista client in offline mode for a few months. We had My Documents synchronized with the SBS 2003. Now ...