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Backup Limitations


Commodore
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Can you use a Raid as the destination so that you can hold more backup's of your OS, Data that are located on drives that are under 2Tb each?

I have a few large client PC and what I was running my test I was filling up my 2TB backup drive very fast.

 

I.e. Can you have your OS 750Gb Drive and you have have a 2nd 2TB drive for other data backup these two drives to your Raid with 8Tb of free space?

Can you point your client backups to store on a folder on the 8Tb raid drive?

 

This is the part i'm very confused on if i'm able to get all my live data on drives under 2Tb each can they be backed up to one large Raid?

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Wow this does make very a very big challenge then.

 

on my WHSv1 right now i'm showing 1.7Tb used for PC Backup's so i'm guessing I have to reduce my retention times to provide room for the critical data.

At least i'm now understanding why everyone is using Sync type copy tools for duplicating data.

Thanks for the help

 

Mind you now that I think about it I don't backup my pc backup's now so I should be all good

Edited by Kman
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Wow this does make very a very big challenge then.

 

on my WHSv1 right now i'm showing 1.7Tb used for PC Backup's so i'm guessing I have to reduce my retention times to provide room for the critical data.

At least i'm now understanding why everyone is using Sync type copy tools for duplicating data.

Thanks for the help

 

Mind you now that I think about it I don't backup my pc backup's now so I should be all good

The size limitation of the backup program isn't really a factor for me. I do want a bare-meta-restorable backup of the system drive, but I use RoboCopy to duplicate all my date mainly because it leaves the files readily accessible on the backup media. Most backup programs write data to backup files using some proprietary format that, at the least, requires that the backup be 'mounted' in some way before the data becomes accessible. No thanks.

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  • 2 weeks later...

I have a 2TB external drive, but would purchase a 3TB external if it can be used as a single backup partition on WHS 2011?

I am looking to use http://www.altaro.com/professional-pc-backup/ , not the built in backup as I only want to

backup shares at this time. This program provides a Time Machine like interface and I have had good look with

it on the PC client side.

The program itself doesn't list a drive size limitation, so will 2011 limit me?

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Without going thur the expense of purchasing a third party app such as Acronis orsomething else, the only way to do it would be to use Robo-copy or AllwaySync and set them to a schedule to run on.

 

I've not tried to add a 3TB drive but I will defere to the expetise of others when they say not to install it via the dashboard.

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You can use a single partition in a 3TB external drive for backups of your shared folders.

 

You can also use a single large RAID array or Drobo, it does not matter. It's only if the drive is part of the pool that the shared folder on that drive can not exceed 2TB because of the way WHS2011 does the backups using a VHD process.

 

Or else if the share is larger than 2TB, it will fail during the backup.

 

You can add the 3TB to the pool or even a 20TB array does not matter, until the shared folder exceeds 2TB, which is obvious possible that is why you should stick to single drives that are no larger that 2TB.

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Thanks again for your help. The MS documentation doesn't seem to address all problems and I have had really good luck with

this program on the client side. Picked up the server version for over half-off on sale.

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