Questions tagged [data-recovery]

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

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Tried to move folder but files were in use - folder has now disappeared entirely?

We currently use MozyPro for our online backups but in order to save on the amount of storage space we need to purchase with them we opted to move a large number of images over the SharePoint storage ...
Manno's user avatar
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Windows Server 2008 R2 crashed and rebooted, user missing desktop folders

The server is Windows Server 2008 R2. The user is connecting with RDP to a remote desktop session on the server. The server stopped and rebooted on 08/16. When the user logged back in to their RD ...
scottkeen's user avatar
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1 answer
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Power loss, hard drive missing on next reboot (?!)

There was a power failure earlier today, and now my system won't boot anymore. It shows the following error message and drops me to a root shell to try and recover the data for myself: Log of fsck -C ...
user306802's user avatar
0 votes
3 answers
245 views

Amanda/Zmanda backup-recovery Local server

I am trying to recover some files from a tape on Linux, that were placed on there through an amdump. The problem is in order to use amrecover you have to set up the server. Which I do not really know ...
A.Martinez's user avatar
3 votes
1 answer
184 views

old tape backup using xfsrestore

I have some old tapes that were backups to servers from an old irix machine. I need to get the data off of them and I know they were written to the tapes via 'xfsdump'. I'm running ubuntu 14.04 server....
A.Martinez's user avatar
1 vote
1 answer
130 views

Restore data from tapes made on old irix system (on linux)

Hey guys I'm looking for some help. I'm trying to get the data off of some old SDLT tapes probably 11+ years old. I don't know anything about them besides they were made on an irix system and I do not ...
A.Martinez's user avatar
0 votes
1 answer
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Generate duplicate Active directory on Server 2008 r2

Currently We are using window server 2008 r2 and installed Active directory on server, which working fine. Problem is that, Some of roles which are not working well(Can not install/uninstall roles), ...
Nullpointer's user avatar
0 votes
2 answers
226 views

No Filesystem after deleting RAID

So I had the /home partition in two disks in RAID1, one disk failed so the system booted with lots of errors about that. I didn't have another disk to replace the one that failed, so I wanted to ...
Msegade's user avatar
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1 answer
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Undelete windows 8 files/directories

User accidentally deleted directory with firm data on laptop with Windows 8. I booted Ubuntu liveCD but using : $sudo fdisk -l WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util ...
Michal_Szulc's user avatar
0 votes
1 answer
150 views

LVM volumes not found.. Aggressive recovery methods?

Our system experienced a hard reboot, and when it came up, we started getting panics. The boot mount was on an LVM volume. We recovered the GPT partition but all of the LVM commands that I have run ...
Dustin Oprea's user avatar
10 votes
2 answers
3k views

How can RAID deal with inconsistent data?

RAID 1 and RAID 5 (and their brothers 10 and 50) achieve data redundancy respectively through mirroring and through parity checking. This allows a RAID array to still access data when a sector on a ...
Massimo's user avatar
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28 votes
2 answers
115k views

Proper way to deal with corrupt XFS filesystems

I recently had an XFS filesystem become corrupt due to a powerfail. (CentOS 7 system). The system wouldn't boot properly. I booted from a rescue cd and tried xfs_repair, it told me to mount the ...
Michael Kohne's user avatar
-3 votes
2 answers
362 views

How unlikely it is that 2 SSD disks in a RAID 1 crash and how to recover from it? [closed]

How unlikely is it that a mirrored raid of 2 ssd drives fail together. (Both sector 0) unreadable. Me is told that ssd generally never breaks. So that both break at same time seems unique. What ...
Kay Int Veen's user avatar
3 votes
1 answer
131 views

Can I extract a private key out of Tomcat's memory?

I'm running Tomcat 6. I was messing around with my keystore in order to try to fix some certificate chain problems, and I accidentally rm'd the production version instead of the .new file I was ...
strugee's user avatar
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9 votes
0 answers
192k views

Recovering from a rm -rf / [duplicate]

Edit: This is a hoax. I run a small hosting provider with more or less 1535 customers and I use Ansible to automate some operations to be run on all servers. Last night I accidentally ran, on all ...
Marco Marsala's user avatar
0 votes
1 answer
2k views

Extract docker volumes from running container

My /var/lib/docker/volumes directory got accidentally lost. Some containers are running right now and the services aren't missing any files. For example, I'm running a maven repo (Sonatype Nexus) and ...
TrustedCreeper's user avatar
1 vote
1 answer
2k views

Ubuntu OS recovery – accidentally deleted ld-linux-x86-64.so.2 from /lib64 folder in Ubuntu 14.04

I was remotely working on the machine with SSH but after deleting the ld-linux-x86-64.so.2 file by mistake I closed the ssh session and now I cannot login because it gives me following error: Welcome ...
Stella Martin's user avatar
-3 votes
3 answers
379 views

Can you recover files from an overwritten RAID 1? [closed]

Edit: The array is actually RAID1, slight communication hiccup with the rest of my team. Following the decommissioning of one of our server, a manager just realised there was, after all, data that ...
Pixy's user avatar
  • 109
1 vote
1 answer
109 views

Recovering KVM VMs when booting from mirrored host OS

Im running KVM on a Ubunutu 14.05 server. The server has 2 1.2TB drives which will each have 1 VM (elastic search nodes). I did a dd to clone the main OS and can boot from either disk without issue. ...
J.M.'s user avatar
  • 26
1 vote
1 answer
389 views

Recover deleted exchange mailbox after re-creation

So here's what happened. I had a user account that was giving me (unrelated) trouble, so I deleted the user account from the SBS console. I didn't think about it at the time, but the box was checked ...
MrCodeWeaver's user avatar
-1 votes
1 answer
873 views

Restore RAID 5 HP P410

I have: P410 + 512MB Battery Backup 4x4TB in RAID 5 I changed the PSU today and after starting OS (Windows 2008 R2) the array is gone. ACU sees 2 HDD as unassigned and original RAID 5 as 2 OK and ...
MarkKiss's user avatar
1 vote
2 answers
706 views

Physical storage devices, such as tape and changer devices, not visible when booting Debian 8 Jessie, with hpsa driver.

Question Not detecting all physical devices behind Smart Array controller after upgrading to Debian 8 Jessie HP P212 Smart Array Controller and HP 1/8 G2 LTO-5 3000 SAS Autoloader Debian 7 Whezzy ...
Pablo Kromn's user avatar
1 vote
1 answer
4k views

HP SmartArray Rebuild Logical Drive without data loss

First, let me explain our situation: We had an HP server with a RAID 1 over 2 drives (for the OS) and a RAID 5 over 4 drives (for VM data). The raid recently failed. I say the word failed very ...
Scott's user avatar
  • 111
0 votes
1 answer
892 views

Debian hangs entering single user mode

My Debian system hangs when trying to enter single user mode on "start job is running for LSB" as shown in screenshot below. Any idea how to recovery it? This thing started occurring after ...
PSSGCSim's user avatar
  • 171
0 votes
1 answer
126 views

NAS JBOD2 2 Drive Raid 0 Enclosure Failure Data Recovery

I have a Caldigit Enclosure that had 2 2TB Sata Hard Drives in the unit. The Enclosure seems to have failed during a data recovery operation where the partition was lost during a power failure. I am ...
trinsic's user avatar
3 votes
1 answer
297 views

recover data from zfs pool on napp-it openIndiana [closed]

I just inherited a desktop PC with napp-it free (openIndiana), it was set up to work as a sort of NAS, it had two disks on 2TB and one 3TB without any redundancy, one of the drives failed and the pool ...
MarkovskI's user avatar
  • 133
0 votes
1 answer
638 views

CoreOS persistant data storage ( creation + backup + restore )?

Im planning to move my whole server stack to coreOS and using docker. The problem is currently there seems to be no good solutions to create a persistant data storage , back it up and easily restore ...
Rubytastic's user avatar
0 votes
1 answer
2k views

How to dump usb stick with corrupt partition table?

Question at the bottom. When I insert the 8GB usb stick I get this in dmesg [168699.879019] usb 1-4: new high-speed USB device number 24 using ehci-pci [168699.994177] usb 1-4: New USB device found, ...
Jasmine Lognnes's user avatar
2 votes
0 answers
456 views

Recovering an RAID6 using ddrescue. mdadm: failed to add, invalid argument

I had 3 drives fail in a matter of a week on a RAID6. Luckily, one drive seemed to be mostly fine. I was able to run ddrescue and it copied all but one small area (couldn't read 14MB out of 3TB). ...
Devon's user avatar
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0 answers
127 views

2TB NTFS Partition Works in linux, Causes windows to hang

I have a ESXi server containing a large virtual disk (1.8TB) on RAID 0, and the server suffered from a power outage. The drive was a storage drive for a Windows Server 2012 R2 file server, which is ...
Patrick S's user avatar
1 vote
1 answer
410 views

LSI 2108 RAID 5, one disk dead, one more with bad sectors; how can I recover the data?

I have a server with a RAID LSI Logic / Symbios Logic MegaRAID SAS 2108 [Liberator] and 4 disks of 3TB attached, configured as RAID 5. Unfortunately after 3 years of good services one disk died (the ...
pmichelazzo's user avatar
3 votes
1 answer
3k views

Best practices to backup mysql databases

This question concerns best practices for mysql backup with replication and large number of databases. I'm looking for your point of view and suggestions :) I - Current situation I have two databases ...
maxime_039's user avatar
1 vote
1 answer
898 views

Recover Data from RAID 1 : Array failed

I have a HP Proliant ML150 server with a scsi raid controller installed. Two disks are configured in RAID 1. My problem is when i start my computer, in the beginning, a message appears that the array ...
user2156353's user avatar
-4 votes
3 answers
36 views

Linux recover faile [closed]

I really did a big mistake. I have a partition sda6 for backup, when writing the iso to a pendrive, instead of typing sdb6, i've typed sda6, is there any way to get back the files
Noor's user avatar
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0 answers
597 views

HP Proliant ML310e Gen8 with Windows 2012 lost RAID data?

I'm having some problems where a client had a fire in the power strip feeding the UPS to their server. When I got there the HP Proliant Gen8 server had been booted and was sitting at a setup dialog ...
Dale E. Moore's user avatar
0 votes
2 answers
69 views

Start an uninstalled MySQL server

Our server just crashed after a 140 day uptime reboot (not booting). It was running Plesk and since it's hosted by Online.net, I'm able to run a recovery system and access my data. It was running a ...
Imre Szalai's user avatar
0 votes
1 answer
157 views

How to restore files deleted from server

An employee accidentally deleted a folder from our fileserver. Is there way to restore this folder without having to restore our backup? (As this would undo a lot of work in other users' folders.) ...
Teebs's user avatar
  • 123
-1 votes
1 answer
158 views

Removed 2 hard drives in RAID configuration from Dell Server, need to recover data [closed]

My very old Dell server will not boot up, I am pretty sure it's a motherboard issue. So, I removed 2 hard drives when the computer's power was off. I am assuming the drives were in a RAID ...
DesertTechGirl's user avatar
2 votes
1 answer
3k views

XenServer VHD data recovery

I have the exported disk image of a VM from XenCenter in VHD format. I used compress from the settings, if that has any impact. How I can access the files without creating VM? I have the VM settings ...
user715517's user avatar
-1 votes
2 answers
284 views

How to Mount Disk from broken USB external Hardware Raid 1 [closed]

I had an external USB 2 RAID 1 (Mirror) with two 2TB disks. The manufacturer is Datacask which is pretty unknown. The chip used is some Silicon Image chip. Out of nowhere, I could not mount the raid ...
vanthome's user avatar
  • 760
2 votes
1 answer
6k views

Where can I find dskprobe.exe for Server 2012 R2?

As the question suggests, where can I find dskprobe.exe for Windows Server 2012 R2? I need dskprobe to recover a deleted partition and I can not find the application anywhere on my server and looking ...
Arvo Bowen's user avatar
-1 votes
1 answer
101 views

Is it possible to recover a RAID 5 in this case?

Is it possible to recover a RAID 5? After losing the "/proc/mdstat" and run by mistake "mdadm --create --verbose /dev/md0 --level=5 --raid-devices=4 /dev/sdb1 /dev/sdc1 /dev/sdd1 /dev/sde1" instead of ...
juan's user avatar
  • 41
1 vote
2 answers
1k views

Strange data corruption in Windows Server 2012 R2

I've got a server running Windows Server 2012 R2, OS is in RAID 0 (2x WD Black 500 GB), Data is in RAID 5 (4x WD Red 1 TB) and primarily holds thousands of documents. Since the past week or so we've ...
user298763's user avatar
1 vote
1 answer
596 views

zfsonlinux, raidz1: two disk corruptions: How I can use dd/dd_rescue and deceive zpool?

I have zfsonlinux (Centos 7), and raidz1. And I have trouble: two disks are dying. The first disk have Raw_Read_Error_Rate failure in SMART and Reallocated_Sector_Ct error (the disk has run out of ...
Xeniya Lisovskaya's user avatar
0 votes
0 answers
1k views

Storage Spaces stuck at "repairing 9%" and "starting repair"

I have a storage space with 8 disks, and 2 virtual disks. One of the virtual disks started showing up as "Warning: In Service" If I ask to start repairing, it keeps at "repairing 9%" ...
JoaoCC's user avatar
  • 305
4 votes
0 answers
4k views

Data recovery for XFS partition

I want to recover data from a XFS partition. It seems that I need to xfs_repair the partition but I am not sure I would lose the data, so I prefer to ask to experts. I run a Virtual Box Linux Mint. ...
Sydney's user avatar
  • 141
1 vote
0 answers
228 views

How to restore ntfs partition table in freebsd

I accidentally deleted my partition table on my old disk through: gpart delete -i ada3 gpart destory ada3 Which contains all files on it. How can restore these data on this disk? I tried testdisk, ...
Yi.He's user avatar
  • 11
0 votes
0 answers
54 views

3 x 146 GB scsi hdd data recovery

Bought a new server with sff sata hdds. Before I got a chance to install the new server the old HP ProLiant DL385 Opteron 8218 with 3 x 146 gb scsi hdds has failed. I think the hard discs themselves ...
svimes's user avatar
  • 31
1 vote
0 answers
118 views

Is it possible to see what files are deleted on a cluster disk in a specific directory?

I need to check if there were files (accidentally deleted) in a specific directory on a clustered disk (Windows Server 2008 R2). Is there a way to do that? The installation is relatively new and the ...
Bogdan Bogdanov's user avatar
1 vote
0 answers
107 views

MS SQL Server data lost or corrupted

I have a situation regarding MS SQL Server database. My friend ask me to repair a certain database, because a range of data has been lost after a hard disk failure, but eventually after ...
Mark's user avatar
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