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

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0
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3answers
924 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
votes
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 ...
1
vote
1answer
566 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 card(...
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 ...
0
votes
1answer
60 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 there....
1
vote
0answers
463 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 ...
2
votes
2answers
321 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 ...
4
votes
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 ...
2
votes
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 ...
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
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.
0
votes
2answers
196 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
684 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
217 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: http://www.tomshardware.co.uk/forum/229699-14-erased-partition-external-hard-drive-...
1
vote
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 ...
1
vote
1answer
292 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
450 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 ...
34
votes
5answers
17k 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
548 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
779 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
3k 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
515 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
500 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
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 ...
0
votes
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 ...
0
votes
2answers
93 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
817 views

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

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. ...
2
votes
3answers
2k 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
2k 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
681 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
20k 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
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 ...
0
votes
1answer
162 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
13k 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
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 ...
-1
votes
1answer
213 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
2k 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
253 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 if=/...
35
votes
5answers
8k 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
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 ...
1
vote
1answer
519 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
82 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
195 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
1k 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
2k 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
967 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: http://www....
1
vote
1answer
2k 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
399 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 ...