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110
votes
4answers
6k views

All servers flooded by salt water, is it possible to recover data from multi-platter drives?

All of my servers are currently flooded by salt water. Is it possible for each platter in a multi-platter drive to be separated, cleaned, imaged, and merged into a new virtual drive for data ...
5
votes
2answers
1k views

e2fsck extremely slow, although enough memory exists

I've got this external USB-Disk: kaefert@blechmobil:~$ lsusb -s 2:3 Bus 002 Device 003: ID 0bc2:3320 Seagate RSS LLC As can be seen in this dmesg output, there is some problem that prevents that ...
0
votes
1answer
329 views

Drive cloning dd or rsync/sync via KVM

I've got a crash and the system won't boot correctly. I am getting errors like: ata3.00: status: { DRDY } ata3.00: status: { UNC } What would be the best way to save the main drive to make the ...
0
votes
2answers
1k views

ext4: error loading journal [closed]

I have an external hard drive with two partitions: A small FAT32 which is mostly empty and works fine and a large ext4 with tons of data, most of which isn't backed up. The ext4 is visible, but can't ...
-1
votes
1answer
132 views

Recovering data from a drive overwritten by Debian install [closed]

I got a panicked call for help from a mate who's been tinkering with a Raspberry Pi. Turns out it auto-updated his install of Raspbmc (RPi-build Debian with XBMC over the top, for non-RPi-fanatics) ...
1
vote
1answer
720 views

Testdisk won’t list files for an ext4 partition inside a LVM inside a LUKS partition

I have accidentally deleted a file that I want to recover. The partition is an ext4 partition inside an LVM partition that is encrypted with dm-crypt/LUKS. The encrypted LUKS partition is: /dev/sda2 ...
1
vote
1answer
315 views

Recovering/Rebuilding MySQL .FRM, .MY* files from IBDATA1

I recently had an incident in which several MySQL files were wiped out (mostly from WordPress, but also a few of MySQL’s own files). The IBDATA1 file is unaffected, but several .frm are gone as are a ...
-2
votes
1answer
110 views

What do I need to download and how to I upgrade my vmware in order to get VDP?

EDIT: I leave the question as is. Apparently I missed the part that it was only announced, and was sure it's released, and I can't find it on my.vmware.com VDP [vmware data protection] was recently ...
0
votes
1answer
175 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 ...
5
votes
1answer
820 views

Is there way to read sectors from SATA drive without ECC correction?

I know, there was such possibility like that in old ATA standards: "READ LONG" command produced LBA sector + ECC payload. sg_read_long supports in in linux, but the command is obsolete for quite a ...
0
votes
2answers
492 views

Get data from unbootable Linux server hard disk

Here is my situation: After a sudden shutdown due to a power outage, the CentOS 5 server in my workplace will not boot. My co-worker and I need to get an important file from the hard drive on this ...
8
votes
1answer
532 views

Recover data from SCSI hard disk

We've got an old server with SCSI hard disk. The server crashed last week and it isn't exactly known what hardware component is damaged. Since the server is due to be retired anyway we don't want to ...
0
votes
1answer
162 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 ...
2
votes
1answer
440 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 ...
0
votes
1answer
344 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 ...
1
vote
2answers
2k views

innodb recovery from .ibd files

My website has crashed a few days ago. The hosting company says some innodb database crashed. They sent a MySql data folder. I tried to restore the database, but phpmyadmin is only showing MyISAM ...
0
votes
3answers
2k 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 ...
0
votes
3answers
609 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
130 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
392 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 ...
1
vote
1answer
1k 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 ...
1
vote
0answers
352 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
258 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 ...
0
votes
0answers
118 views

Recover data from failed volume group disk

I have a tale of woe to tell. I had (notice the past tense) a LVM VolumeGroup comprised of two physical volumes that failed due to the accidental deletion of one of those volumes. I am now trying to ...
4
votes
2answers
1k 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
1k 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 ...
0
votes
0answers
1k 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
879 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
184 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
469 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
201 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
130 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
votes
0answers
164 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 ...
6
votes
4answers
222 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 ...
31
votes
4answers
12k 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 ...
0
votes
1answer
964 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
465 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: ...
2
votes
3answers
3k 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
82 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, ...
1
vote
3answers
736 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
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
466 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
9k 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
149 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
6k 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
98 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
179 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
3k 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 ...