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0
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1answer
275 views

Exchange 2010 two nodes disaster recovery

I currently have one on-premises Exchange 2010 Std server sitting on a Windows 2008 R2 Entreprise. The server is backed-up on tape and now I've been asked to add an off-site replication for businness ...
3
votes
3answers
530 views

Out of band notification when UPS loses mains power?

We're currently looking into upgrading our UPS and possibly having a small petrol generator on site in the eventuality that the UPS battery is used long enough to drain it completely. Realistically, ...
0
votes
2answers
332 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 ...
4
votes
3answers
720 views

Recovering with DDRescue Cannot Complete (write error: Read-only file system)

I'm trying to recover a corrupt VDI using vdfuse to mount the VDI and using dd_rescue to rescue the borked partition. dd_rescue seems to be working fine but once it reached about half of the ...
2
votes
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 ...
4
votes
1answer
65 views

Blackberry Outage: How can I PIN a large number of users?

We lost power due to the hurricane and need to notify BES users that services will be restored soon. How can I extract all BES users and send them a notification message? Also how do I alter the ...
0
votes
1answer
452 views

Drive cloning dd or rsync/sync via KVM

I've got a crash and the system won't boot correctly. I am getting errors like: ata3.00: status: { DRDY } ata3.00: status: { UNC } What would be the best way to save the main drive to make the ...
1
vote
2answers
252 views

Uptime concerns in case of AWS outage

I am running an Elastic Load Balancer backup by 2 instances in different Availability Zones in US East. I am using Multi-AZ RDS as well. Ideally this should ensure that if one AZ goes down, it should ...
1
vote
2answers
183 views

How to monitor how much data transfers between Exchange servers in DAG?

I recently installed a second Exchange Server (standard, 2010) to our organization as part of a Disaster Recovery solution. The two servers will soon be part of a DAG. Before placing the server at ...
2
votes
3answers
593 views

switching dns server providers

I'm trying to wrap my head around something that I thought I kinda understood, but clearly there's some piece missing. We're currently using Zerigo as our primary dns, with slave dns running on ...
6
votes
2answers
630 views

Active Directory Disaster Recovery in a Small Business

This is hypothetical question, but one I’m sure that someone must have encountered and/or given some thought to before. Situation: Consider this, a small business is running an Active Directory ...
7
votes
3answers
2k views

Active Directory disaster recovery with DPM

I have a sort of catch-22 question here. Suppose I'm using Microsoft System Center Data Protection Manager (2010 or 2012, it works the same way) to backup, amongst various other things, my Active ...
5
votes
3answers
3k views

If DNS Failover is not recommended, what is?

As a followup question to his very popular question: Why is DNS failover not recommended?, I think it was agreed that DNS failover is not 100% reliable due to caching. However the highest voted ...
5
votes
4answers
280 views

Virtualization for hardware resiliency?

Can anyone tell me if it is possible to pool several physical servers to run a resilient virtualization environment. Our servers are getting more and more critical to our clients and we want to do ...
-3
votes
2answers
53 views

What's the possible issue when i connect an hard disk and Windows Disk Management tell me “Disk is not initialized”? [closed]

I've a disk to recover. The problem is that when i connect it via Usb to Windows, Disk Management tell me "Disk is not initialized". So i try to inizialize it flagging "MBR" or "GPT" but Windows ...
8
votes
1answer
956 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 ...
0
votes
1answer
209 views

hosted failover(proxy?) service - does it exist?

We're in the planning phase to make our web application services redundant. Right now we've got our own physical servers at a colo, running a VMWare cluster connected to an EqualLogic SAN. It's a LAMP ...
0
votes
1answer
125 views

IIS recover from HD Copy

i'm here on a new server and want to recover the IIS Role, the old server is as a backup (rsync copy) on a second drive. Anyone know how to recover the IIS from a Directory? The Server is a Windows ...
0
votes
2answers
296 views

Clone a Red Hat RAID as part of a disaster recovery plan

I am looking for recommendations to clone a Red Hat mirrored raid to a single hard drive located in the same machine. The idea is if the servers hardware ever has an issue we have a similar hardware ...
2
votes
1answer
489 views

If my RAID card fails, how likely is it to corrupt the RAID?

My RAID card does not currently have a battery installed and its write mode is set to write-through. Data is rarely written to the RAID - large batches of data come in maybe every other week. Daily ...
0
votes
1answer
75 views

Steps to recreate SQL Server Instance

I'm writing a disaster recovery protocol at work - a protocol that describes how to create a SQL Server instance from scratch in case that the PROD server will be unavailable. We have SQL Server 2008 ...
1
vote
2answers
5k views

How to start MSSQL Server with corrupt model db

After moving some databases around (restoring, deleting, etc) we experienced an issue creating new databases. Specifically, When trying to create a new database MSSQL Server it failed because the "The ...
31
votes
7answers
1k views

What things do you look for when picking a server hosting company?

We are going through an RFP process of changing hosting companies for most of our servers (~10 fairly powerful workhorses and database servers). When the existing company was picked I wasn't at the ...
0
votes
1answer
68 views

Use at best reliability two old servers to deploy a domain in small business

I have to deploy a Windows 2008 Domain and all I have is two old (5 years) Hp 380. Of course I know that the best in reliability would be to buy new hardware and I've told the customer that nothing ...
0
votes
1answer
2k views

Use a linux (Ubuntu) live cd to read a hardware RAID array

I've got a Dell Poweredge 2900 server on it's face. We have had issues with it's PERC 6/i RAID controller over and over this last week. The server's OS is Small Business Server 2008 and it's RAID 5 ...
2
votes
1answer
115 views

Failing back from DNSSec to regular DNS

A disaster recovery plan has been proposed in a client's company that would fail back from DNSSec to regular DNS in the event of 1) A major site outage requiring the change of many DNS records 2) ...
2
votes
2answers
386 views

Mysqld InnoDB crash

my MySQL server just crashed and I cannot restart/recover it. I've tried: /etc/init.d/mysql restart Stopping MySQL database server: mysqld. Starting MySQL database server: mysqld . . . . . . . . . . ...
3
votes
1answer
1k views

MSMQ Disaster Recovery - How to recover message queues from a crashed machine?

How can message queues be recovered from a crashed machine, so that transactional messages can be restored on a new machine?
3
votes
2answers
391 views

Save data after accidental dd format

as embarrassing as it sounds I managed to dd a debian iso to an external hd instead of my usb pen drive. now my 1.5 tb western digital has 1 700mb partition named debian and the rest is unallocated ...
0
votes
1answer
101 views

Definition of minimal “onsite backup” [closed]

I've learned about a hosting provider who's definition of "onsite backup" includes "snapshots of the SAN storage stored on the same SAN and the same RAID 50 array". Does this sound right to anyone? I ...
0
votes
3answers
702 views

Backup Exec - Differential Backups and Overwriting

I have a setup for a customer whereby a full backup is conducted on a Friday - then Monday through to Thur, differentials are carried out. Now, there is a single media set for these two jobs (I ...
1
vote
1answer
995 views

New 2008 R2 Domain controller online with another failed DC. How do I get rid of the failed DC?

We had a 2008 R2 domain controller begin failing recently, the backups all became corrupted and the system drive contained CRC errors. (thus preventing further backups). We were able to promote a ...
1
vote
1answer
281 views

DPM Disaster Recovery

I'm using Microsoft System Center Data Protection Manager (2010, currently evaluating 2012) to backup my environment, and I have two questions about the disaster recovery process in the event of a ...
0
votes
2answers
282 views

Hyper-V and Fail over cluster 2 nodes Virtualizing DC and Secondery DC

I am building a new network for a company from scratch (50 user/Computer) They need 1-Domain Controler ( Only one Domain at the moment ) 2-MS Exechange Server 3-File Server 4-SQL/Database Server ...
-1
votes
1answer
82 views

IRP/DRP for CentOS software RAID

We're finally trying to start doing things right by getting proper servers. We've got a HP server (With B110i but it's not being used as RAID controller) and it's running a CentOS 5 derivative with a ...
1
vote
3answers
527 views

Restoring Win2K3 R2 server with Active Directory

We have had a server in a data center for about 6 years now. A few days ago motherboard went bad. In order to get the services running back quickly, a tech team decided to place it on a new ...
1
vote
1answer
187 views

some Zimbra project planning questions

I am planning to deploy a ZCS machine in a remote DC on colocation. Using the latest Community edition Hardware: 2x SAS disks for OS in raid1, 8x SAS disks in raid10 for Zimbra, 32Gb RAM 8 CPU ...
1
vote
2answers
165 views

Professional Dropbox type services for DR/Backup

Should I consider these kind of cloud services for off site DR? We are a small company currently run backup across our servers and then allow dropbox (paid version) to ensure that we have backup's in ...
-1
votes
2answers
66 views

Good Linux disaster-ready filesystem? [closed]

I'm working on this emergency open wi-fi network project and it includes a local website (nginx + MySQL). In order to eliminate SPOFs, we're going to setup at least two of everything (server, switch, ...
0
votes
3answers
1k views

What happens when multiple DNS servers fail?

I'm designing a business continuity plan. The company's website uses two internally-hosted servers at two different datacenters to provide name resolution. I've been asked to add a third WHOIS ...
2
votes
2answers
134 views

Offsite network/data center for disaster recovery

I'm designing an off-site server room for disaster recovery purposes. This off-site space will house duplicates of production servers and backup systems (around 10 Windows systems in total). The ...
3
votes
1answer
196 views

Symantec Backup exec recovery test of my exchange server

I came into a new environment which runs pretty old systems. Windows Server 2003 with Exchange 2003. They backing up servers with Symantec backup exec 11d. For compliance reason and that I can sleep ...
1
vote
1answer
112 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 ...
1
vote
1answer
992 views

How to take periodic snapshots of VMs and efficiently transport them off-site

I'm running KVM on Debian Squeeze and have VMs ranging from Debian to Windows Server 2003 to XP and W7 My plan is to move these VMs to qcow2 and use libvirt's snapshot-create to take periodic ...
0
votes
1answer
245 views

Disaster Recovery with one 2008R2 DC and a 2003R2 DC

I am working out DR scenarios and one was making me scratch my head: Currently our domain has a 2008R2 DC and a 2003R2 DC. I know bringing restoring DCs can sometimes be harmful to an AD if others ...
4
votes
6answers
3k views

Need help with estimating required bandwidth for SAN array to SAN array replication over WAN

I have a long-term goal of setting up a DR site in a colo somewhere and part of that plan includes replicating some volumes of my EqualLogic SAN. I'm having a bit of a difficult time doing this ...
106
votes
13answers
6k views

Engineers are using explosives to remove hard rock outside our office building. What countermeasures should we take?

Our building is located approx. 100 meters from the explosive charges. They happen several times per day, and really shake the entire building a lot. This is going to go on for many days and the ...
6
votes
3answers
192 views

Disaster Recovery Planning, tower or rack?

I'm working on this project to develop a system with centralized information regarding emergencies delivered via open Wi-Fi on a small city. I'm from Chile, so we thought of this system to work ...
1
vote
3answers
120 views

Ubuntu 10.04 install is missing /etc/rc0.d, is there a quickfix?

I have no idea how this happened, but /etc/rc.*/ is simply missing. As a result, aptitude and apt-get don't work right anymore. Is there a quick-fix for this? I really don't want to reinstall the OS ...
4
votes
5answers
14k views

Edit Hard Disk Serial Number with VMware

I'm virtualizing a Rockwell AssetCentre Server and I'm looking at Disaster Recovery scenarios. This server contains a lot of other Rockwell Software like RSLinx, Logix 5000, Logix 500, and more... ...