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Upgrade drives in Raid 1

I have a windows server 2003 that has two seagate Sata 2 160gb drives. I believe the Raid Controller is a SAS/SAS5/IR. Server is a PowerEdge 840. I would like to upgrade these to 1TB drives, but would appreciate any feedback on the best steps to complete this. I was going to do a bare metal backup, replace the drives, then restore the image. However, I am not sure that is the best method. I am also not sure the exact steps on the RAID cotroller that must be completed. I rarely have to do this, so your help is greatly appreciated.
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ckleavitt2
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ckleavitt2
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1 Solution
 
Miguel Angel Perez MuñozCommented:
I do on this way:

Clone the server (acronis or whatever)
Replace disk
Configure RAID
Put the image on the server.
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ckleavitt2Author Commented:
Configuring the RAID controller is where I am lost. Are there any specifics on the Raid configuration you can expand on? Also, if the backup turns out bad, will there be a problem re-configuring the Raid controller for the old drive in order to make another backup? Thank you.
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nmacfallCommented:
ckleavitt2 -- Configuring the Raid Controller depends on the RAID Controller....what server are we doing this to, and/or what is the raid controller?
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ckleavitt2Author Commented:
Dell Power Edge 840 and the controller is listed as a SAS/SAS5/IR in my documentation.
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PowerEdgeTechIT ConsultantCommented:
With the SAS 6/5:

After imaging your array, put in your new drives, boot to CTRL-C to configure a new RAID 1 ... you will need to clear the configuration before creating it.

Alternatively, the PE 840 will hold up to 4 drives and the SAS 5/iR will supoort up to 4 drives and 2 virtual disks, so you could (assuming you have a 4-drop cable from the controller) simply add the two 1TB drives in a new RAID 1 for storage only, then the whole imaging, deleting, restoring thing becomes unnecessary.
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ckleavitt2Author Commented:
Thanks PowerEdgeTech

The issue is that the drives were partitioned into C: and E:, whith C: only having 12gb of total OS space. Now, the OS partition, is almost out of space, which is causing problems. So, just adding the 1TB for additional space will not really fix the issue. I assume in this case creating the second RAID is really of no benefit? As you suggested first, create the image, swap out the old with the new drives, clear the config, build the raid, and then copy the image back. If the image happens to be bad, is there a way to revert back to the old drives to create another image?
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PowerEdgeTechIT ConsultantCommented:
Consider this:  
Add two 1TB drives in a new RAID 1, move your data from D: to the 1TB volume, delete D:, then extend C: to fill the entire 160GB RAID 1, giving you around 148GB for C:.

... or you can go ahead with the backup/restore to the new disks.
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nmacfallCommented:
Last commentary by PowerEdgeTech is probably the best route...And good lord did I overlook the Controller and the Server...Sorry about that!
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QlemoC++ DeveloperCommented:
This question has been classified as abandoned and is closed as part of the Cleanup Program. See the recommendation for more details.
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