Disaster recovery and preparedness is an unfortunate aspect of systems administration. This tag should be used for help with planning, implementation and best-practices related to recovering from a catastrophic event on a server or in a datacenter environment.

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537 views

Log Shipping multiple database SQLServer 2008 Standard

We currently use a fairly basic script we wrote to log ship our databases to our DR site (and back again) but want to move to a better solution. We initially discounted the inbuilt logshipping ...
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2answers
384 views

Scripting an automated SQLServer 2008 DR move

We use the built in logshipping in SQLServer to logship to our DR site but once in a month do a DR test which requires us to move back and forth between our Live and BAckup servers. We run multiple ...
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2answers
754 views

Accessing data on SAS drives if server fails

If my server goes down, how can i access the data on the SAS drives? I don't have another server to plug them into, and even then connecting the drive to a different controller (while keeping the ...
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1answer
106 views

Best way to test disaster recovery in a virtual environment

We are using vCenter, eSXi 5.1 and Acronis vmProtect to run and backup a network of virtual machines, both windows and *nix based. it is the latter I am interested in today. Some of these still run ...
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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 ...
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1answer
46 views

How much memory is required to send deduplicated ZFS stream?

Last year I set up a pair of servers for my employer, running FreeBSD 10.1 with a large pool of storage in each server. 12 x 2TB disks, in a zpool configured as two raidz2 vdevs of six disks each. One ...
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1answer
266 views

*Lab* restored DC from full backup issues. NETLOGON error 67

I am in a lab environment practicing and learning to recover my primary domain controller in the event that both my DC's are gone and I have a full server backup in place for disaster recovery in ...
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1answer
139 views

Failed to Attach DB on replicated SAN

We currently have a clustered SQL Server 2005 which has replicated SAN disks for our DR solution, to test DR we break the SAN synch and then attach the various DB's on the DR server. Our web servers ...
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1answer
65 views

How to move Private-Public-logs from old SBS 2003 Exchange to new intall of SBS 2003

This is what we have, a crashed SBS 2003 with Exchange 2003. The Exchange priv, pub and log files are located on another RAID array and the Exchange data is OK. I want to install another SBS ...
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1answer
310 views

Windows Server Backup for 2008 R2

When restoring a Windows Server Backup for 2008 R2, there is the option to format the drives. However, that formats them at the standard cluster size of 4K. Is there a way to change that during ...
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1answer
25 views

Bring back to restoring state an online database

I configured logshinging for a database. I did some tests and tried a controlled failover. During log shipping secondary db is in restoring state. To have a controlled failover i stopped the primary ...
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1answer
51 views

Restore of SBS 2008 unsuccessful

I have a Windows SBS 2008 here that I'm trying to restore from backups. It runs as a VMware virtual machine, so I can use snapshots and try out stuff. What happened Windows froze and the only option ...
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1answer
749 views

How to get Mondorescue to work with LVM2 (CentOS 6.4)

I'm trying to make an emergency recovery disk with Mondorescue to: Restore my server in case of hardware (or severe software) failure. Make an "identical" server setup for debugging and staging. ...
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1answer
451 views

Oracle 10g Failover Database - How to fail back?

I want to know how the failover database concept works after recovery. We have defined our application to connect to a backup database in case the production database fails. If this happens, then all ...
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1answer
115 views

Hard Disk based storage library

We have a Tandberg T24 tape device to handle all of our long term backups right now. We decided that we're not backing up nearly everything that we would like to and that we still have a lot of ...
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1answer
74 views

RTO and RPO - Data Loaders, CSG will have only RTO whereas Databases will have RPO as well as RTO. Is it correct?

Data Loaders, CSG will have only RTO whereas Databases will have RPO as well as RTO. Is it correct?
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1answer
405 views

msdeploy.exe is erasing FTP permissions on a site it's been told to ignore

I'm using msdeploy.exe to duplicate our live web environment to an offsite disaster-recovery server. This offsite server also hosts an FTP site that we use for transferring database backups and logs. ...
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1answer
203 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 ...
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0answers
16 views

Is a Wildcard cert better for Exchange DR than a SAN cert?

I'm reading this blog article about the logic of Autodiscover, and I hope I'm misreading it. The problem I have is that it appears that the Autodiscover process will inspect the SUBJECT of a ...
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0answers
2k views

Exchange 2010 Database dirty shutdown

We experienced a power failure, after i bring the server up the Mailbox database is on a dirty shutdown state. I've ran eseutil /r E00 and got PS E:\BACKUPS_MDB_EXCHANGE\Mailbox Database ...
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0answers
446 views

Zimbra 7.1.4 disaster recovery within the LDAP service

We've a disaster in our Zimbra 7.1.4 server. The server is (was) running on a CentOS 6 box and it failed on the last friday. After doing a lot of effort to make the machine boot once again Zimbra ...
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0answers
291 views

Need help recovering CentOS system

My CentOS 6.5 system was getting errors about the hard disk so I used partclone to clone the root filesystem. Just 2 days later the hard disk died and the system would no longer boot. So I replaced ...
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0answers
8 views

Disk boot up from backup

I have a backup of my whole / partition except for /tmp /proc and /sys . Is there a way to boot this up into live? Backup is on 32 bit debian 5 OS Thanks
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0answers
63 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 ...
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0answers
109 views

Single node SQL Server 2014 cluster at DR environment

We are setting up a new Disaster Recovery environment. On Production we have SQL Server cluster with two nodes. For DR we decided that one node should be enough. The plan is to add the second node ...
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34 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 ...
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39 views

accidentally set windows sbs2008 data drive as backup drive how recover partition

A data drive in windows small business server 2008 was accidentally added to the list of backup devices, so of course the backup software repartitioned the drive for that purpose. Before any backups ...
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80 views

How do I force an exchange database to become “active” in “Active Manager”

How do I force a passive node to become "active" when the active manager says it's needing a full sync? Background We had a catastrophic failure where all that remains is a single edb file. No ...