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Disaster Recovery Simulation

By khydari ·
Our organization is in the process of implementing a disaster recovery simulation. The scenario which is giving me problems is, For disaster simulation of our PDC which is also our File Server, we are planning to bring down the PDC, restore its files to a spare server, install the applications, name the spare server the same as the PDC (to test the connectivity). Once the test is finished, rename the spare server back to its original name. The question is, would I be able to name the spare server the same as PDC while the actual PDC is down. Is there, any other way of doing this. thanks!

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Disaster Recovery Simulation

by McKayTech In reply to Disaster Recovery Simulat ...

You've left out one very important piece of information. Is there a BDC? If there is no BDC, I would think it would be fairly safe to do what you propose.

However, knowing only what you included in your post, your plan makes me nervous (maybe only because I don't know enough about your network) and I have a gut feeling it won't go well.

But if what you're testing is a hardware disaster, why not just do a full restore of the PDC to the spare server (including the Registry, applications and data)?

I do have to commend your company's forethought, though. I can't tell you how rare it is for organizations to have actually invested the time in testing their disaster recovery plans.

paul

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Disaster Recovery Simulation

by Shanghai Sam In reply to Disaster Recovery Simulat ...

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Disaster Recovery Simulation

by McKayTech In reply to Disaster Recovery Simulat ...

You've left out one very important piece of information. Is there a BDC? If there is no BDC, I would think it would be fairly safe to do what you propose.

However, knowing only what you included in your post, your plan makes me nervous (maybe only because I don't know enough about your network) and I have a gut feeling it won't go well.

But if what you're testing is a hardware disaster, why not just do a full restore of the PDC to the spare server (including the Registry, applications and data)?

I do have to commend your company's forethought, though. I can't tell you how rare it is for organizations to have actually invested the time in testing their disaster recovery plans.

paul

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Disaster Recovery Simulation

by Shanghai Sam In reply to Disaster Recovery Simulat ...

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Disaster Recovery Simulation

by McKayTech In reply to Disaster Recovery Simulat ...

You've left out one very important piece of information. Is there a BDC? If there is no BDC, I would think it would be fairly safe to do what you propose.

However, knowing only what you included in your post, your plan makes me nervous (maybe only because I don't know enough about your network) and I have a gut feeling it won't go well.

But if what you're testing is a hardware disaster, why not just do a full restore of the PDC to the spare server (including the Registry, applications and data)?

I do have to commend your company's forethought, though. I can't tell you how rare it is for organizations to have actually invested the time in testing their disaster recovery plans.

paul

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Disaster Recovery Simulation

by Shanghai Sam In reply to Disaster Recovery Simulat ...

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Disaster Recovery Simulation

by TTrinh In reply to Disaster Recovery Simulat ...

Dari,

The main problem will be the control of the domain. Your existing domain must always be controlled by a PDC, and in its absence, temporarily, by one or more BDC. All the database of user accounts, computer accounts are stored on PDC and synchronized to the BDCs. If you bring your PDC down and there is no PDC left, you will setup a new PDC to control a brand new doamin, een if you chose the exact same name for your PDC and domain. You will have to recreate ALL user/comp accounts for this domain, not to mention all other various iissues as shared folders, security policy, etc..

So make sure you have at least one BDC in the same domain before doing it. Make sure it is synchronized with PDC. We have changed name, transfer roles back and forth between PDC, BDCs several times (in upgrading our servers) with no problem. Cares still need to be done for every other numerous details : to transfer files/folder with same securities assignments, for example...you need to use scopy and permcopy (found in NT resource CD).

In summary, it is a complicated procedure with several details involved. If you plan carefully and execute each steps properly, it can be donwe with no problem

Tuan
Tuan

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Disaster Recovery Simulation

by Shanghai Sam In reply to Disaster Recovery Simulat ...

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Disaster Recovery Simulation

by khydari In reply to Disaster Recovery Simulat ...

Paul, thanks for the reply. We do have a BDC in our network and two member servers. The spare server is actually part of the domain, but is only used for backups. Therefore we cannot actually do a system backup on it. I am planning on installing theapplications which run on PDC on "spare" server manually and then restore the data on to it. The reason I want to rename the spare server same as the PDC is, once the PDC is down, is to check to see if the users on the workstation are able to get the files on the spare server or do they have to be given permissions again to be able to receive the permissions.

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Disaster Recovery Simulation

by khydari In reply to Disaster Recovery Simulat ...

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