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Upgrade Hard Drives RAID 5 DELL Power Edge 2900

I have a Dell Power Edge 2900 running MS SBS Small Business Server. It has 3 SAS 146GB HD in RAID 5 and 2 partition’s. I have made a backup using Acronis True Image Echo Server® (build 8,398). I want to replace these 3 drives with 3 SAS 300GB drive still with RAID 5. Would it be possible to add the 3 new drives as it's own RAID configuration and cloning the old drives to the new or should I remove the original 3 drives add and create a new RAID 5 using new drives then restore from an Acronis Image.
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You can also replace one drive at a time, allowing full rebuild between each drive swap. Then use partition software to resize the logical partitions.
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So I would add the 3 drives in a new RAID 5 config then use Acronis to do a Clone
You can also replace one drive at a time, allowing full rebuild between each drive swap. Then use partition software to resize the logical partitions.
This WON'T work.  If you replace the drives one at a time, the ONLY thing you will be able to do is create a second VD across the same set of disks (called 'slicing') - this will appear as a separate "disk" in the OS.  There is NO [safe] way to expand the array to fill the entire amount of disk space after upgrading the drives in this manner, and NO partitioning software can touch RAID arrays/VD's.
So I would add the 3 drives in a new RAID 5 config then use Acronis to do a Clone
Yes.
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Thanks PowerEdgeTech
I am planning on doing this either Friday or this coming weekend will let you know how it works out.
Provided your server has enough bays for drives, why don't you just add the new drives, create a new array for them along with a new partition, then keep your old drives in the server and move your data over to the partition on the new array? I don't see any reason why you should replace your current drives.
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The person that setup this server only made a 25GB C: drive with the cloning I believe I can increase that size then once I know everything still works correctly AD,DHCP, DNS then I will delete everything on the old drives reconfigure it and use it as another partition.
You can also add the new drives, make a new array, move your data to the new array and resize your C: drive to make it bigger.
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Thanks diggisaur I think I will add the 3 new drives then clone VD0 to VD1 but I will look at your suggestion of resizing when I go to do this.
Best of luck. :)
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Thanks,

 Happy Holidays to all
If it's SBS 2003, 25GB for the system partition should be enough. Just move off all that hasn't to do with the OS to another partition.

If it is SBS 2008, you can use diskmanagement to increase the size of the system partition, provided there is unpartitioned space right after C:. So either way, you wouldn't need to rely on the cloning utility to get other partition sizes...
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I will take a look at what I can remove I do believe that WSUS is also installed on C
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Worked like a charm, was done in less than 2 hours.

Thanks

 PowerEdgeTech