The data-recovery tag has no wiki summary.
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1answer
23 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
35 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 ...
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2answers
32 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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2answers
55 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
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1answer
53 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 ...
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0answers
35 views
recovering a deleted file from a VM snapshot?
Our mysql ibdata1 file was deleted earlier today. This wasn't noticed until mysqld was restarted and there was no data in the tables. The machine is a CentOs VM in Xenserver. At this point a ...
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3answers
45 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
620 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 ...
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1answer
65 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 ...
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1answer
126 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
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3answers
140 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 ...
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2answers
151 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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2answers
58 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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3answers
115 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!
-1
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1answer
138 views
mdadm RAID-5 recovery
I am encountering some problems with my RAID-5 array using mdadm on Debian.
First of all, I lost a drive (completely, it is no more recognized even in BIOS), then I replaced it with a new one, ...
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1answer
87 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
388 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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1answer
263 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
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1answer
53 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 alot of data in ...
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3answers
157 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
81 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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0answers
44 views
innodb crash, empty FRM files, but apparently intact ibdata
I've a database about which I know little, but I do have a structure-only dump of an identically-structured database.
It's mostly innodb tables, and the ib_logfile files seem intact (other innodb ...
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1answer
77 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 ...
1
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1answer
676 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
97 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
107 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 ...
15
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4answers
588 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 ...
1
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1answer
108 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 ...
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3answers
151 views
Automatic off-site backup
I'm planning to launch a file host fairly soon.
I have a 12TB software RAID array in my 1U server unit, and another 12TB software RAID array at a private location. Users will be uploading (and ...
4
votes
2answers
2k 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
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2answers
185 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 ...
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1answer
250 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
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1answer
128 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
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1answer
257 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
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4answers
131 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
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1answer
124 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
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1answer
52 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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3answers
238 views
How to make a byte for byte copy of a drive? [closed]
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
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2answers
269 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
144 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
62 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 ...
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2answers
433 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
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3answers
132 views
Is it possible (and how if it is) dump two concatenaded disks in a new disk using DD?
I have a Lacie enclosure that has a setup with 2 500gb disks configured as 1 drive of 1TB, the only partition created for the whole drive is HFS+ journaled, but the controller in the enclosure is gone ...
0
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1answer
445 views
Recover NTFS filesystem after DISKPART CLEAN
I managed to run the CLEAN command in DISKPART on the wrong disk (disk 1 instead of disk 3 in LIST DISK). Now it shows up as a "Healthy (Primary Partition)". If I assign a drive letter to the ...
0
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1answer
42 views
Can I recover a non-system disk deleted during 2008 R2 setup?
I've done a truly stupid thing and 'deleted' the data disk on a Server 2008 R2 box. Can I recover it? If so, how?
I was rebuilding the box because a motherboard change had broken things. I've ...
5
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1answer
401 views
I accidently dropped the mysql db
Today, i was absent minded and instead of droping the databases i wanted I wrote
drop database mysql;
What do i do now!?! i didnt do anything else since and i havent closed my session.
Luckily ...
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2answers
377 views
Dell Poweredge 2600 RAID Transfer How-to
Help, please!
Hardware: Dell Poweredge 2600
PERC 4/Di
4 SCSI Drives, 1 standalone
3 in a RAID 5 configuration
OS: Windows 2000 Server
In other words, a ...
1
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2answers
379 views
Is there a diff/merge utility to compare binary files and synchronize data bit-by-bit in either direction based on differences in binary data?
I have a tricky dilemma. I've got some files on two different destination drives, copied from the same source drive. The source drive had been failing, so I used dd to copy over the data to one ...
0
votes
1answer
408 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 ...
2
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6answers
294 views
Recover bad data from RAID-0
I have two hard drives that were setup as RAID-0 and NTFS, one of the hard drives has bad sectors.
does anyone know if I ran Spinrite to move those bad sectors, will I still be able to access the ...
