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

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262 views

How to recover data from a partially overwritten partition

By mistake, I configured a 900GB partition to be part of a 50GB raid. The sync is complete and my understanding is that only the first 50GB of the bigger partition is overwritten. How do I recover the ...
3
votes
2answers
7k views

SpinRite and USB blues - does a solution exist?

I use SpinRite to recover hard disks and their content, and to a lesser degree for preventive maintenance. However, if a USB drive (USB thumb drive and/or external hard disk with a USB interface) is ...
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5answers
5k 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 ...
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1answer
197 views

DFS 2003 on Storage Server with Huge Backlog: Recovery Options?

We currently have a 2003 DFS server that has a backlog of several gigabytes. And that's for just a single DFS share. It was not set up during this administration, we have simply been dealing with it's ...
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2answers
917 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 ...
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1answer
81 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 ...
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2answers
3k 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 ...
2
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1answer
567 views

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 ...
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1answer
579 views

unable to recover data from failed hdd [closed]

my hdd failing (or maybe totally dead) i've connected the hdd via USB but it doesn't appear in fdisk Disk /dev/sda: 500.1 GB, 500107862016 bytes 255 heads, 63 sectors/track, 60801 cylinders, total ...
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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. ...
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2answers
2k views

Accidently overwrote system.dbf - What now?

I accidentally overwrote system.dbf in /usr/lib/oracle/xe/oradata/XE/system.dbf Well I did not actually do it accidentally, however I overwrote it because of other failures in the database. And when ...
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1answer
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 ...
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1answer
161 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 ...
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3answers
3k views

Recovering from incorrect robocopy /MIR using NAS drives

Yes I know how stupid I've been and will severely chastise myself once this has been resolved. Just to be clear, I've done a robocopy using the /mir switch and files not present in the source have ...
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3answers
888 views

Backup Exec - Differential Backups and Overwriting

I have a setup for a customer whereby a full backup is conducted on a Friday - then Monday through to Thur, differentials are carried out. Now, there is a single media set for these two jobs (I ...
4
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1answer
144 views

VERY peculiar permission masks, UIDs, GIDs and file names in Linux

I've just booted to find my software RAID 5 in Ubuntu not mounting. When trying to mount it gave me an NFS error (which was confusing). I ran fsck on /dev/md0 and my screen scrolled with fixes for ...
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1answer
551 views

LVM pv lost, testdisk says “No LVM or LVM2 structure”

Here is the story, a little complicated. long time ago, i installed the a Linux system with only one LVM volume group which had only one physical volume(let's call it disk A), then i got a raid ...
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1answer
59 views

File recovery window server 2008 networked drive

I lost files when I was tying to move them from one folder to another on a networked drive. The files are not in the original folder or destination folder. I checked rcycle bin the files are not ...
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0answers
447 views

e2fsck miserably aborts: memory allocation failed on 64 bit OS and scratch directory

After an unsuccessful Virtualbox VDI drive resize following the instructions here, the primary ext4 partition became of unknown type. I fixed this with testdisk and then boot-repair, which made it be ...
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2answers
2k views

Recover NTFS data from a ZFS pool that was exposed as an iSCSI target

This was me being stupid and the data is by no means critical and is now a learning experience first, time saver second. I set up a 100GB iSCSI target via the bare bone instructions in napp-it. It's ...
6
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4answers
406 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 ...
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2answers
310 views

Hosting server's harddisk crashed [closed]

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 ...
2
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1answer
2k views

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 ...
6
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3answers
441 views

Need help recovering a corrupt SQL database

I have a very special case that I have been working on for several days. I have a very large SQL Server 2008 database (about 2 TB) that contains 500 filegroups to support very large partitioned ...
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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 ...
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1answer
2k 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.
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2answers
195 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
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2answers
661 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 ...
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1answer
142 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 ...
0
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1answer
725 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
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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
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1answer
509 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: ...
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1answer
437 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
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3answers
5k 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 ...
2
votes
2answers
2k views

Recover deleted files in linux , can debugfs command solve my purpose?

I am trying to list deleted files from my ext3 file system. debugsfs command with -ld option , suppose to list deleted files but it only listing current existing files and folder. Is any alternate way ...
0
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2answers
92 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, ...
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1answer
497 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 ...
2
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3answers
1k 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!
3
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1answer
640 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 ...
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2answers
18k 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 ...
2
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2answers
102 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 ...
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1answer
208 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 ...
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3answers
1k views

Extracting Data from Raw Hard Drive Copy?

A while back something happened to my hard drive that wiped out the partition table and left my data unreadable. I had other uses for the drive, but I didn't want to give up on trying to recover the ...
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
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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
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2answers
240 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 ...
2
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2answers
89 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 ...
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1answer
73 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 ...
0
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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 ...
5
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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 ...