Questions tagged [data-recovery]
Reclamation of deleted or otherwise removed/corrupted data (files)
452
questions
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2
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Can memcache invoke a script to reload itself after startup on Ubuntu?
Since memcache stores everything in ram, it will lose its store after a node recovers from failure. Does memcache offer a hook to invoke a script after it starts up? We want that script to do "...
0
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2
answers
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How to mount parition in from a working driver in RAID1
One of hard drives in array is dead, I'm unsure if it's raid0 or raid1, what I'm trying to achieve is mount the working drive and make a backup of what's left.
If I mount /dev/md127 then I can see ...
0
votes
2
answers
194
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Hard drive errors: probably 2 bad sectors and nothing is working
All started with bsod from WindowsXP: unmountable boot volume.
Then I tried ubuntu and Palimpsest. SMART status was OK (2 bad sectors), but all test failed on "reading system" (I don't know if I ...
2
votes
1
answer
558
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Recover data after lvreduce on "/"
I accidentally ran lvreduce on / instead of "/home" on a RHEL 5.9 system that unfortunately had a lot of code that was not backed up, and the system will not boot now obviously.
What is the best way ...
1
vote
2
answers
244
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Windows Azure Blob Storage Data Migration
I would like to back up the files I currently have in Azure Blob Storage and move them elsewhere. The problem is that pulling them one by one would take me several weeks, even within the same ...
1
vote
2
answers
566
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PostgreSQL 8.1 out of space and stopped, data directory is empty
I used PostgreSQL 8.1 on Gentoo/Linux 2.6.14r5. My db server's disk space looks like below:
db postgresql # df -l
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sda3 ...
6
votes
3
answers
37k
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How to recover data from a corrupted ext3 partition?
A server of mine had a drive failure of some sort which caused the OS (CentOS 5) to crash and stop working (it refuses to boot).
So we put another drive with a working OS and from there we try to ...
4
votes
3
answers
3k
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Recovering emails from a dead exchange database
We recently had an outage on our DC - one disk out of a 4 disk raid array failed and it ran in degraded mode for about 3 weeks before we were able to replace the disk. By the last day before it got ...
0
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1
answer
3k
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XenServer - Recovering VM
After googling all day I have had no luck, so I hope someone on here can assist me.
I setup my XenServer, created a ubuntu VM, then placed my itunes library (300gb+) onto the system. After this, I ...
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votes
2
answers
126
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Solution to manage data server with multiple drives
I'm looking for some pointers on the best way to manage a Linux data server, with 20 hard drives and with new files always being added (around 30GB/day). Performance is not important, reliability is ...
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1
answer
595
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Large incremental backup sizes although minimal changes with cPanel tarballs [closed]
I am using Bacula and connecting to my cPanel server on a nightly basis at 2am to backup the tar.gz files that were generated the previous day at 6am by cPanel.
Note, cPanel is generating a full ...
1
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3
answers
5k
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Vmfs vmware esxi data recovery
One of our engineers noticed a missing vmdk file. It resided on a vmfs partition.
I was wondering is there any software to recover the missing vmdk that anyone can recommend using? Have searched the ...
50
votes
7
answers
19k
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How can I successfully mount an 8-bit SCSI drive on a modern computer?
I have a number of internal 8-bit SCSI-1 drives that I'd like to archive for historical purposes. These are all the old NeXT Cubes and NeXTStations (monochrome and color) that were used by id ...
2
votes
0
answers
407
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Corrupt XFS header
On my file server I ended up growing the RAID (5) and then I went ahead and deleted and remade the partition holding the XFS filesystem. I used Parted to do this.
After parted ran I tried to mount ...
10
votes
5
answers
160k
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How to recover XFS file system with "superblock read failed"
I have a disk from a Buffalo LinkStation that has an XFS partition on it that I cannot mount.
Plugging the disk into an SATA->USB caddy on an Ubuntu box. I get the following:
$ sudo fdisk -l /dev/...
1
vote
1
answer
473
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Recover ext3 files from hard disk with bad sector
I have a folder of about 5GB that suddenly disappeared. When I checked its hard disk, I found out it has bad sector for about 2-3MB on this folder. Maybe it is on the folder's pointer.
The partition ...
-4
votes
2
answers
216
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Would data recovery be possible after Acer hidden partition reinstall? [closed]
Someone did a re-installation of his Operating System of the C: drive using his computer's 'Acer hidden recovery partition' (the alt+f10 procedure). Then he chose 'do not back up personal data (this ...
0
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2
answers
5k
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Recover deleted files on windows 2008 file server
We have recently been hit by a weird virus which made all files and folders a system files/folders and also it hid all files and folders par some weird ones it created including:
..exe
porn.exe
...
2
votes
1
answer
121
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URGENT: help recovering lost data
I have made a directory: sudo mkdir /ssd, the directory was supposed to be mounted to a raid array called md3. This was done by adding /dev/md3 /ssd auto defaults 0 0 to fstab. Then after a while ...
2
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0
answers
155
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Accident from tar -cvf, recover original file? [duplicate]
Possible Duplicate:
Is it possible to recover filed removed by rm in linux?
I'm using a RHEL6 server RAID10 with a ext4 fs, with a volumeGroup (lvm2) VolGroup00 created on a PV /dev/sda5 [831Go]. ...
1
vote
2
answers
400
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where on disk is space allocated for new files inside LVM lv with ext4 file system?
I run a multi-disk server with LVM2. Several large disks serve as LVM2 physical volumes for one volume group, containing one logical volume formatted with ext4.
Nothing fancy, just your standard ...
129
votes
4
answers
8k
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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 recovery?...
5
votes
2
answers
5k
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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
1
answer
1k
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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
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2
answers
8k
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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 ...
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votes
1
answer
237
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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
2
answers
1k
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Scan raw block device data for known file types on linux [closed]
I'm looking for a way to search a raw block device for file type patterns on linux. The partition type is known and the partition table exists.
I want a linux based (open source maybe?) programm ...
1
vote
2
answers
3k
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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
...
2
votes
1
answer
960
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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 ...
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votes
1
answer
120
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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
1
answer
399
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 ...
9
votes
1
answer
4k
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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 ...
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2
answers
206
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Windows Disk Management tells me "Disk is not initialized." What does that mean? [closed]
I have a disk I need to recover, but the problem is that when I connect it via USB to my Windows, machine, Disk Management tells me Disk is not initialized. When I try to initialize the disk, either ...
1
vote
3
answers
3k
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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
1
answer
4k
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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
1
answer
222
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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 ...
1
vote
2
answers
1k
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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 ...
2
votes
1
answer
1k
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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
1
answer
683
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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 ...
3
votes
3
answers
381
views
Recovering data from a damaged disk [closed]
So have this problem. Have a 500G disk with data that has crashed. I need to recover the data. I used ddrescue to first create an image and I have recovered 455G to that image.
Now, I do not know what ...
1
vote
2
answers
7k
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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 ...
2
votes
1
answer
232
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Electricity gone off while shrinking database, how can I recover my database?
While executing a shrink on a 25GB database, the electricity has gone down, and I can't access my database. It shows as "In Recovery".
How can I recover it?
0
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3
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4k
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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
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3
answers
1k
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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
1
answer
159
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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
1
answer
907
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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
1
answer
5k
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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
1
answer
71
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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
0
answers
645
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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
2
answers
461
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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 ...