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5
votes
2answers
16k views

How do you repair a damaged or corrupt partition? [on hold]

I have a user with an external hard drive that is no longer recognised: the drive letter does not appear in My Computer. The drive is a Western Digital My Book Essential Edition (WD2500C032) With ...
1
vote
2answers
96 views

Backup/recover Dell PERC RAID controller configuration?

I have a Dell server with the disks in RAID 10, using the PERC RAID controller in the server. I maintain the data data on the drives, but I'm worried about what would happen if there was an error ...
-4
votes
2answers
1k views

Windows Spanned Volume data recovery possible? Technical advice only please

I am setting up a storage solution in Windows where I wish to utilize the space on multiple physical drives and have them recognized as a single drive letter. I do not wish to do anything that places ...
2
votes
4answers
336 views

Data Recovery Software (Formatted Hard Drive) [closed]

Well... I'd really appreciate your help on this one. It's like this: someone decided to reinstall Windows on his PC, but did not make any backups, and there are a lot of things (well... photos, ...
0
votes
1answer
66 views

Dell Replay Manager vs/Actifio or Veeam

I am not very familiar with SAN storage. The company I work for is evaluating a backup solution that will utilize two Dell Compellents. We currently have one Compellent, but are considering ...
12
votes
3answers
2k views

mdadm raid5 recover double disk failure - with a twist (drive order)

Let me acknowledge first off that I have made mistakes, and that I have a backup for most but not all of the data on this RAID. I still have hope of recovering the rest of the data. I don't have the ...
0
votes
0answers
39 views

LVM fault tolerance and recovery over 2 mdraid RAID5 arrays PVs

I have an Ubuntu 14.04 LTS server with an mdraid RAID5 array and LVM on top, meaning one PV and one VG using it. The LVM is configured to allocate all the space to one LV. The LV is formatted with an ...
0
votes
0answers
41 views

lvm disk corrupt after force power down

I have virtual machine running on kvm host. But after force shutdown (unplugged power supply of physical server), virtual disk corrupted, cannot boot to OS (OS: CentOS 32bit, include 2 partition, ...
6
votes
1answer
583 views

How can one recover SSO from a disaster?

I am trying to test recovery from a disaster, but feel the SSO part is like a Catch 22 situation. I cannot get it to work. We have a DB cluster where SSO is also a clustered service, just like the ...
2
votes
1answer
764 views

Sharepoint - restore single document from database level backup

Have a single Sharepoint webserver backed by a SQL 2005 server. The sharepoint server has a messed up document in a document library and I have a SQL database backup from the day before. What are my ...
8
votes
1answer
965 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 ...
11
votes
9answers
10k views

Physically Identify the failed hard drive

So, let's say your server had 6 healthy hard drives. A drive fails (will not mount/detect, drops out of raid with errors) or is failing (SMART getting worse, etc). You need to swap out the bad ...
1
vote
2answers
2k views

InnoDB recovery

My MySQL server run to crash due to (page file write error). I did a disk diagnosis but no errors found. I restarted MySQL server. It scanned the bin log like for 1-2 hours and recorded log as below: ...
0
votes
2answers
126 views

LSI MegaRaid - Image Drive from Failed RAID

I had a power failure and my LSI MegaRaid 3 disk SAS RAID 0 failed. My attempts to recover the RAID have also failed. I plan to rebuild the array and go with RAID 5 and add another SAS disk. ...
-1
votes
1answer
151 views

What to do when raid 0 errer: Following Arrays have missing required members and cannot be … Array#0-RAID-0 [closed]

here are the tried status: It is a raid 0 configuration and have 2 disks. When using IBM ServeRAID Configuration Utility, there are three options: 1. Array Configuration Utility : see below 2. ...
0
votes
0answers
161 views

ddrescue a failing hard drive; getting a kernel module deadlock

I'm in the process of recovering a dying hard-drive with ddrescue. The utility works very well in the parts of the drive that have not problems but in the parts of the drive with problems it goes very ...
6
votes
1answer
587 views

Exchange restore backup. What happens to local ost files?

A virtual hard disk crashed containing our sql server and exchange server. I have several backups but the one I can use is 3weeks old. What happens to local Outlook clients when I restore that Hyper-v ...
2
votes
1answer
2k views

Repair corrupt GPT partition on graid mini disk

I'm trying to repair a GPT corrupt partition table on a graid mini 1TB external hard drive. Here is the report from gdisk: root@philippe-desktop:/home/philippe/thomasdisk# gdisk /dev/sdb GPT fdisk ...
1
vote
2answers
11k views

Windows Server 2008 Hangs On Boot After crcdisk.sys

I'm running a Windows 2008 Server install that's been having trouble. It's had several anomalous reboots, and finally got stuck in a state where it couldn't finish booting. When I attempt to boot into ...
6
votes
4answers
6k views

I just deleted “/bin”. What's the best way to recover?

I just ran (not on purpose!) rm -rf /bin. I've booted down the computer and am using Finnix to try to recover from it. I have succeeded in mounting the drive, and confirmed that, yes, the entire /bin ...
3
votes
4answers
285 views

Recover data from RAID0

Is it possible to recover data from a RAID0 hard drive when the other hard drive has failed?
0
votes
1answer
50 views

How to add an existing encrypted vHDD to a new virtual machine?

I am using VMware workstation with encrypted virtual hdd-s. I tried to use one of the vmdk files as an hdd on another virtual machine, but when I try to add them as an existing disk, I get the ...
3
votes
3answers
146 views

Recovering data from a damaged disk

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 ...
0
votes
0answers
28 views

TFS 2010 and the Recover command

I have an old tfs collection database that I need to re-attach but when I click on 'List Available Databases' I get error TF254078 (No attachable databases were found on the following instance of SQL ...
0
votes
1answer
339 views

MySQL won't start after reboot. Exiting with signal 11

last night I was doing a server maintenance that required DB reboot. No changes in a config were made. Current setup is as follows: master (server1) - master (server2) and slave (server0) MySQL ...
0
votes
1answer
407 views

Reducing the delay occured during DNS change

We have hosted our website in a windows server 2008 r2 with Godaddy and as a disaster recovery plan we do have backup of all website data and database files.We also have backup server which is similar ...
0
votes
2answers
465 views

Where is the configuration that instructs linux 14.04 to enter single user mode?

I have an EC2 Instance of Ubuntu 14.04 Fails to restart after stop/restart. It was upgraded from 13.x and apparently AWS has the web ui setup to send a 'reboot now' command which instructs 14.04 to ...
0
votes
0answers
33 views

keep alive a multiprocess linux service

I would like to know how I can have a multi-process service, running in Ubuntu, automatically respawn when one of the processes crashes. I found this method for doing this with a single process, ...
3
votes
6answers
1k views

Recovering OST file without profile

We have a Microsoft Exchange Server 2007 and offer this solution to many customers. Recently, a customer had his personal Exchange server crash (which is what made him our customer). He called some ...
2
votes
1answer
45 views

What is the correct way to track and monitor Exchange DB replication “pressure” over time?

I want to determine if some databases are overloaded or unbalanced, and think that looking at the transaction logs created per database over time would tell me which DB is at risk of missing RPO ...
-1
votes
1answer
78 views

Fixing partition table after writing 0s to beginning

I have a sw raid10 setup like: /dev/sdX > partition /dev/sdX1 > raid md0 > lvm > fs. I'm an idiot, and wrote 4gb of 0s to /dev/md0 with dd dd if=/dev/zero of=/dev/md0 bs=4k count=1000000 ...
-1
votes
1answer
221 views

Corrupted text file recovery (Win7 x64) [closed]

I'm having some difficulties in recovering the contents of a .txt file. While writing to a text file, on a Win7 x64 virtual machine, the host machine crashed. After rebooting, I noticed that the ...
0
votes
1answer
164 views

“Repair your computer” option missing when loading PERC drivers on Windows 2008 R2 install

I've got a Dell T310 server for which we have made volume backups of the system drive with Windows Backup. I'm trying to restore one of these, which means I need to boot from the Windows install CD. ...
3
votes
1answer
37 views

what exactly does fsck do under the covers (for UFS)?

If a computer crashes then the filesystem is an inconsistent state. What exactly is fsck(8) doing to restore to a usable filesystem? Is there a backup table? Is it cross-checking metadata? ...
1
vote
1answer
1k views

Exchange 2010 Recovery: Mailbox not found using Restore-Mailbox

Exchange 2010 SP1 Update Rollup 5 server information store database was restored to a Recovery Database using EMC Networker successfully. The Recovery Database is in a mounted state with mailboxes ...
0
votes
0answers
29 views

Failed backup, Create User Accounts from /home dir username uid gid

Trying to repair/replace a system from a failed backup. /etc is gone, trying to recover that, but in the meantime I need to work on a plan B. /home remains with UID and GID and all of the important ...
2
votes
1answer
511 views

VMWare ESXi 4 VMFS Recovery

Had a big time problem with our ESXi 4 on a IBM X3400 M3 with LSI MegaRaid. 4 x 1TB in RAID 10, for 2 datastores of 1 TB. Haven't done any maintennance since 2010. My own big sin! 80) From system ...
5
votes
3answers
2k views

Why mdadm's RAID-1 is resyncing from scratch despite of the bitmap?

# cat /proc/mdstat Personalities : [raid1] md0 : active raid1 nbd0[3] sda10[0] 53246315 blocks super 1.2 [3/1] [U__] [>....................] recovery = 1.0% (537088/53246315) ...
2
votes
1answer
77 views

Add Windows 7 Repair to USB toolkit

I am putting together a Rescue USB and I was wondering how i could add the Windows repair tool to it. I know you can boot a full windows installation and choose "repair my computer" but I dont have ...
1
vote
2answers
124 views

Rebuild home directory after deletion

This is what happened: root@rasp:~# ls -al total 72 drwx------ 8 root root 4096 Jan 22 21:01 . drwxr-xr-x 25 root root 4096 Sep 11 14:27 .. -rw------- 1 root root 8079 Jan 22 19:55 .bash_history ...
4
votes
1answer
143 views

Programmatic method for getting to Windows 8.1 “System Image Recovery”

I'm working in an environment were my users are reverting to an earlier OS "Snapshot" several times a day. We use the built in System image recovery tool in windows 8.1 which points to a recovery ...
0
votes
1answer
183 views

VPS CentOS 6.3 x64 recovery mode changes are not saved after reboot

i am running a CentOS 6.3 x64 OS on a VPS server, the server was having issues logging in to SSH using root credentials, it showed a message similar to "No Shell Exists, Access Denied" root login via ...
0
votes
0answers
668 views

Ubuntu server 12.04.3 start up recovery mode

Yesterday I installed a Ubuntu server 12.04.3 as VMware instance. I only installed svn, apache2 and ssh. After I finished this basic setup (installation plus configuration) I created a zip file of the ...
2
votes
1answer
274 views

Exchange Server 2007 lost mailboxes and distribution groups

I was having some trouble with our Exchange 2007 server earlier which was causing it to fail to connect to our Domain Controller. I've managed to get is to connect to the domain controller and I can ...
0
votes
0answers
41 views

Need Exchange disaster recovery utility

I am looking for a good utility which can support me for exchange disaster recovery. Actually, one of my client was trying to migrate multiple mailboxes from source edb to live exchange server. But he ...
1
vote
5answers
178 views

Need help with choosing a backup solution [closed]

I need help choosing a backup solution for a server from amongst the tools that I've read about recently (rsnapshot, amanda, clonezilla, rsync, dd, duplicity, bacula...). The setup: [1] One disk ...
0
votes
1answer
157 views

Configuring MySQL for Power Failure

I have absolutely no experience with databases and MySql. Now the problem is I have an embedded device running a MySQL database with a web based application. The problem is when I shutdown my embedded ...
1
vote
5answers
3k views

Recovering Exchange 2003 backup to Exchange 2010 server

Our old 2003 mail server has died, and we are hastily setting up a new one based on Exchange 2010. We looking for a way to recover the 2003 data into 2010, any idea if possible? Thanks.
1
vote
1answer
133 views

Compaq SmartArray 5300 controllers - how to recreate logical volume without data loss?

My company owns an old server Proliant ML370 G2 on which we had all of our web logs. But one disk of the Smart Array 5300 v1.76 crashed, with it the whole server (????). But then on the Smart Array ...
0
votes
1answer
305 views

Running extundelete on root Linux partition

I need to run extundelete on a ext4 Linux root partition but it warns that the partition should be unmounted. Of course the origram itself is installed on the same partition that is goiung to scan for ...