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

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2
votes
1answer
213 views

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?
18
votes
7answers
12k views

RAID-5: Two disks failed simultaneously?

We have a Dell PowerEdge T410 server running CentOS, with a RAID-5 array containing 5 Seagate Barracuda 3 TB SATA disks. Yesterday the system crashed (I don't know how exactly and I don't have any ...
2
votes
1answer
70 views

Taking an image of a failing boot drive

Ok, so my Ubuntu 12.10 install seems to have gone slightly sideways. It currently boots from a Compactflash card that I was planning on replacing soon, but as luck would have it it's gone down now. ...
0
votes
0answers
5 views

ddrescue - how are my chances and how could I speed it up? [closed]

I am trying to rescue data from a damaged laptop's 500 GB hard drive using ddrescue version 1.19 on Ubuntu 14.04. After an initial run of ddrescue using sudo ddrescue -n -v /dev/sda disk.img ...
2
votes
1answer
1k views

Recover mdadm RAID 10 array: listing all as spares

I'm a bad person and haven't backed up my RAID elsewhere. I now have a RAID10 array that won't assemble, and I'm hopeful I can save it. Here's the details: I have five hard drives set up as RAID10 ...
0
votes
0answers
34 views

Data recovery seems impossible after kernel upgrade. MDADM (Raid1) LVM2

I opened a question about rebuilding a bad partition My Problem that din't take me anywhere. Bad news is the company trying to rescue the data says it's finding huge inconsistencies they can see some ...
0
votes
3answers
5k views

Recovering files from IIS system (inetsrv) directory?

Some file from my inetsrv directory (c:\windows\system32\inetsrv) were accidentally removed. Is there a way to get them back? Reinstalling IIS server role doesn't help, because Windows doesn't remove ...
-1
votes
1answer
90 views

Disaster recovery. MDADM/LVM2 Some advance but stuck on final mount

We made a stupid upgrade on a running server using wrong repositories and the system became totally unbootable. The system, a SLES 11 we used a openSuse repository to upgrade, and everything went ...
3
votes
1answer
83 views

ZFS shows pool state FAULTED, but all devices are ONLINE; how can I recover my data?

Our 100TB NAS based on FreeNAS 8 was unexpectedly powered off due to power failure. After turning it on back, 100TB zpool "projects" was unmounted with state "FAULTED". I've tried zpool import -fFX, ...
2
votes
1answer
77 views

CentOS - Accidentally Moved and Removed /home/ folders

I ran (stupidly) these commands: mv ncdu/ /home/* mv ncdu/ /var/* Trying to move the ncdu folder into these directories. And it caused me to remove all my Apache directories in my /home/ folder, ...
0
votes
0answers
19 views

VHD to physical disk conversion failed

We have had a happy HyperV running with several VMs until motherboard crashed. On another MB we had to install a new OS, of course HyperV does not see VMs. Tried to use VHD2Disk using a blank ...
-3
votes
2answers
57 views

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
1answer
117 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 ...
1
vote
2answers
2k views

Data Recovery on faulty sata drive that is not being properly detected in Windows

My computer is configured with two sata HDDs. The primary one crashed the other day and now I am trying to recover the data that is on it. I've plugged the faulty HDD into a machine where the primary ...
3
votes
0answers
32 views

How to synchronize downloaded emails from clients back to the IMAP server [duplicate]

I have an iRedMail server running (postfix + dovecot as an IMAP server) on a Debian Xen guest machine. By a mistake the iscsi disk, where users emails are stored, was deleted. There is another copy of ...
0
votes
2answers
748 views

3ware raid controller splits raid array into two peices. what do do?

I have a server with a 3Ware 9650SE 8 port controller. I had an 8 drive raid 5 array with a hot spare drive as part of the array of roughly 3.87 TB in size. When I signed into the server today, I ...
5
votes
1answer
604 views

Recovering data from a failed SAS drive? (RAID0…yes, I know)

We have a HP DL360 server with a P400 controller, which has two 72GB 10K SAS drives in a RAID 0 configuration (yes, I know...RAID 0). The HP Model number for the drives is DG072A8B54 Recently, one ...
2
votes
1answer
66 views

Recover Ubuntu after FIO command broke something [closed]

I have been working on hard drive performance and ran across this command fio --filename=/dev/sda1 --direct=1 --rw=randwrite --bs=1m --size=5G --numjobs=64 --runtime=300 --group_reporting ...
1
vote
2answers
1k 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
2answers
142 views

ZFS - Recover or repair a corrupted file in a snapshot from backup

A pool has suffered permanent data corruption to file data that's part of a snapshot. If the file data was part of the filesystem (and not part of any snapshot), I could simply recover the file from a ...
1
vote
2answers
4k views

Finding optimal ddrescue command line options where Accuracy > Speed

I'm read up a bit about this tool and obviously looked at the man pages. The trouble is that ddrescue takes so long I need to get the command right first time. I wasn't sure how to improve on the ...
1
vote
1answer
47 views

Can I recover a corrupt MFT on windows 2003 server if I'm still able to access files through a network share

I have a 2TB SAN formatted with NTFS which was accidentally connected on two hosts simultaneously, and when I browse files from both nodes, I see some test data that I created when I originally setup ...
0
votes
0answers
48 views

Exchange recovery - emails deleted upon sync with server

After an exchange crash, and discovering an issue with backups, we realized that the restored data was two weeks old, and some users Outlook synced with the server and poof, two weeks of emails are ...
8
votes
1answer
1k 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 ...
1
vote
2answers
189 views

How to recover data from re-partitioned hard drive

I have an external HDD that has been mistakenly re-partitioned and some data written on it. Previous Partitions were: 480GB NTFS + 20GB FAT32 New partition is all FAT32 and only 70mb of data has ...
1
vote
3answers
314 views

How could I recover data from a physically damaged hard drive?

What hardware do I use to recover data from a physically damaged hard drive?
0
votes
0answers
25 views

Hard Drive Recovery; Owned by 1001 and operations block

I'm trying to recover data from a crashed hard drive. I have a SATA to USB cable and I'm trying to pull the data onto a temporary machine. The drive mounts just fine. However, the drive is owned by ...
5
votes
3answers
522 views

How to recover data from a messed up drive (LVM written on top of Ext4)?

The previous administrator of a server that is now under my supervision made a mistake. He accidentally created a LVM volume (no more than pvcreate, I think, though not sure) on a disk that actually ...
0
votes
0answers
37 views

poweredge 2600 perc 5/i Unable to recover data

I am not sure how many others have worked on the system but I am here now. I have amateur functional knowledge of raid setups. About 2 months ago this system crashed (what i was told), windows server ...
1
vote
2answers
53 views

Recover data files from corrupted linux partition

I have a dd image of a 1TB drive. It has 8 partitions. first 3 are ntfs 4 is an extended partition 5 is linux boot 6 is swap 7 and 8 are linux partitions used by users for various storage purposes. ...
1
vote
3answers
1k views

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 ...
-1
votes
1answer
603 views

recovering overwritten file in ubuntu [closed]

I recently just overwrote one of my sql dump file by doing the following command: mysqldump -u root -pTucson85719@ Directory > directory.sql is it possible to get back the file that is being ...
1
vote
1answer
67 views

First 500MB of RAID6 array is wiped, how to recover?

We have a RAID6 array with 12 disks on a 3ware 9650SE-12ML controller. An engineer of our server provider issued this command by mistake: sudo dd if=/dev/zero of=/dev/sde bs=1M count=500; sync; ...
1
vote
1answer
74 views

Extract data from server without causing high disk IO

My current diagnosis is that there is a hardware fault, either related to the memory of the hardware RAID controller or something related to the extra juice the hard drives requires when running on ...
2
votes
1answer
134 views

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 ...
0
votes
3answers
728 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 ...
28
votes
4answers
6k 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
1answer
154 views

How to recover deleted root of linux system?

The story: I am using Ubuntu for my website. For a backup plan, I wrote a script. I wanted to mount an external drive, (run through crontab), backup the server, and then umount it, every night. I ...
1
vote
4answers
2k views

Accidentally formated external usb harddrive (500GB) with bootable iso (1GB), how can I recover my data?

I was attempting to create a bootable usb thumbdrive from the ubuntu install cd using UNetBootin. Unfortunately, I accidental wrote the live cd to my 500gb usb external drive (which was almost ...
0
votes
1answer
276 views

Reconstructing the disk order in RAID 6 with 7 disks

a little background to this question first: I am running a RAID-6 within a QNAP TS869L external RAID/NAS system. I started with 5 disks of 3 TB each back in the day, and later added another 2 disks of ...
0
votes
1answer
60 views

Missing partition from RAID 0 array - what can be recovered?

System is Fedora Linux, there is RAID 0 array set up via mdadm that have bound together partitions /dev/sda4 and /dev/sdb4. Lately, /dev/sdb failed and became unreadable. Naturally, I started ...
1
vote
2answers
153 views

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 ...
1
vote
1answer
689 views

Recovering database files from a corrupted VHD

We have a SQL server hosted on a virtual machine. Our hosting company updated/restarted the server and for some reason the virtual machines became unbootable. We've spoken to Microsoft and used a ...
4
votes
2answers
384 views

ZPOOL replace defective disk in exported pool

Yesterday, I put a new disk into my server. Sadly, I didn't check the disk before of failures. I added it to my pool with the command zpool add nas ...
4
votes
5answers
10k views

How to access LVM partitions on OS X?

I need to access ext3 partitions over an LVM logical volume in a SATA HD connected through USB2 to my iMac with OS X 10.6 . Is it possible to see LVM volumes from OS X? How? Disk Utility says that ...
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
2k views

recover a damaged partition table with ext4 fs

I have an external 2TB HD, that should have only one ext4 partition but the partition table is damaged and I'd love to rebuild/restore the partition. Things ain't that easy so here's the longer ...
1
vote
1answer
211 views

PowerEdge 2850 boot issue due to lost raid config

I have an older dell PowerEdge 2850 that has a boot issue when the server boots it comes up with the error pxe- e53 no boot filename received. I believe the raid card and memory where pulled and as ...
0
votes
1answer
139 views

Recovering LVM RAID-1 on different computer with only one drive?

I have a drive out of an old LVM RAID-1 that's been sitting for a while. I think the array contained a bunch of my photos from years ago (archived online) but I'd like to get at the original data and ...
5
votes
1answer
466 views

What are my prospects of recovering old version of file on BTRFS

I've accidentally overwritten an important file on BTRFS. Knowing that this filesystem is COW, it should be in theory be possible to recover an old version of the file. Unfortunately googling didn't ...