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2answers
87 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 ...
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
39 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, ...
0
votes
2answers
120 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. ...
0
votes
0answers
146 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 ...
-1
votes
1answer
138 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
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 ...
0
votes
1answer
47 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 ...
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
2answers
439 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, ...
6
votes
1answer
561 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
44 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 ...
0
votes
1answer
333 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 ...
-1
votes
1answer
216 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 ...
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? ...
0
votes
0answers
28 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 ...
0
votes
1answer
160 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. ...
2
votes
1answer
499 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 ...
1
vote
2answers
122 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 ...
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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
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 ...
0
votes
1answer
182 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
661 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 ...
4
votes
1answer
142 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
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 ...
2
votes
1answer
76 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 ...
0
votes
1answer
153 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 ...
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 ...
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
303 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 ...
1
vote
0answers
144 views

state_desc field in sys.databases Seems to incorrectly report “ONLINE” when it's still in recovery

Is it normal that select state_desc from sys.databases where name='mydbname' reports ONLINE instead of recovering? The database is not accessible and Recovery is still at 24% according to the ...
0
votes
4answers
55 views

Restoring system settings files after making bad changes?

I've installed centos in a vmware vm in attempt to learn more about system administration. Unfortunately, I was unable to ping the host machine (win7) from the vm or vice versa, even though a third ...
0
votes
0answers
311 views

Raid superblock missing on single partition. Recovery needed

Ok so I have a 2 TB raid 1 setup that has three partitions: sdc1: linux sdc2: swap sdc3: LVM for data However the LVM will no longer mount. So I thought that I would take the spare drive, mount it ...
2
votes
1answer
283 views

mdadm reassemble from spare disk crashed during resync

The server crashed while raid-1 /dev/md2 with /dev/sda3 + /dev/sdb3 was resyncing from /dev/sdb3 to /dev/sda3. sadly, /dev/sdb was lost completely due to a hardware fault. I'm now left with only ...
0
votes
0answers
645 views

Reconstruct deleted virtual disk in PERC 710 RAID Array

Today, I did the dumbest thing I've ever done in my life. I have a PowerEdge server with a PERC 710 RAID controller. I had 4 drives in RAID 5 configuration (1 2.7 TB Virtual Disk) and I wanted to ...
0
votes
1answer
576 views

How can I restore part of a mailbox from an RDB?

I need to restore only part of a mailbox that was deleted by accident. I restored the database and tried to associate it to a dummy test account but get the error Failed Error: The mailbox ...
0
votes
1answer
399 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 ...
1
vote
2answers
2k views

Run Server 2012 Refresh from a command line?

Much as the subject says, anyone know how to do a System Refresh on Server 2012 from the command line? This is a 'Minimal Server Interface' mode Server 2012 install so no full GUI. Have tried ...
0
votes
1answer
57 views

Enable Recovery console from a batch

I want to enable the Recovery Console on a lot of Windows 2003 servers. I want to automate this so I don't have to manually do it on hundreds of servers. The recovery console install process seems ...
2
votes
1answer
268 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 ...
2
votes
2answers
847 views

PGP decryption fails with error for one file

We store database backups encrypted with PGP Command Line 9.7.0. Files look like 2009.bak.pgp Here's command line used to backup these files: pgp --encrypt F:\2009.bak --recipient admin@company.mail ...
1
vote
0answers
624 views

ZFS Faulted and I can't remove the faulted disk

Friends, had one hard drive fail in a 4x1.5 TB ZFS setup and am now stuck. status output is below. Since it's a raidz1 vdev, I am still hoping for recovering it. My issue is that since I cannot ...
0
votes
1answer
130 views

Recovering InnoDB

Bit of tough situation. Running MySQL 5.5 on Ubuntu 12.04. Looking to add some functionality to our internal site, I installed Kaltura. In doing so, my existing MySQL databases seemed to lose all ...
1
vote
1answer
196 views

Windows 2000 Server Recovery after HDD crash

I have here a Windows 2000 Server that I am desperately trying to resurrect after a HDD crash. The HDD crashed with the Seagate BSY Bug. After unblocking the firmware via the TTL/Serial port, we ...
0
votes
2answers
530 views

Server failed, can I retrieve my database from the my hard disk?

I have an old server running Windows Server 2003 R2. Windows got corrupted due to an improper shutdown. I attempted to repair the Windows installation, but it made things worse (it gets to the ...
2
votes
1answer
399 views

LSI RAID-on-chip with RAID6 over two SAS links goes red when HDD enclosure is powered cycled; how to recover?

I have a RAID6 array managed by LSI 9286-8e card. I also have Sans Digital 24-bay NexentaSTOR JBOD enclosure with SAS extender built-in. They are connected to separate UPS devices. Normally, I'd ...
1
vote
0answers
103 views

How to repair XFS filesystem with the first sector broken?

I have copy the partition to a file with ddrescue, but the first sector is broken and filled with zeros. I run xfs_repair -f -o force_geometry file.img, after it says "found candidate secondary ...
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 ...