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18585
November 1st, 2007 12:00
Using Diskpart or Extpart to extend Virtual Disk (+)
Hi there.
I recently added a couple of drives to a 4 drive RAID 5 volume and now the space shows up at the end of the Virtual Disk as "unallocated".
How safe is it to use a utility like Diskpart or Extpart to extend the volume to this unallocated space? It's not a system partition it has some large databases that are backed up of course.
Should it be done "offline"? How long does it take?
Thanks for any answers.
-J.-
I recently added a couple of drives to a 4 drive RAID 5 volume and now the space shows up at the end of the Virtual Disk as "unallocated".
How safe is it to use a utility like Diskpart or Extpart to extend the volume to this unallocated space? It's not a system partition it has some large databases that are backed up of course.
Should it be done "offline"? How long does it take?
Thanks for any answers.
-J.-
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Dev Mgr
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November 1st, 2007 16:00
There are a few things to keep in mind though (based on this Microsoft KB article):
- you cannot extend a system disk or boot disk
- you cannot extend a partition that has a swapfile on it
- you can only extend the last partition on the disk
- you can only extend beyond the 2 TB marker if the disk was converted to GPT prior to putting the first partition on it
- if you're running a cluster, be 100% sure to follow these steps 100%
The process is near instant after the last command (except for a cluster setup where there are some other steps after the diskpart-part).
Dell-Jeff G
156 Posts
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November 1st, 2007 16:00
CI_Netguru
4 Posts
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November 1st, 2007 16:00
- you can only extend the last partition on the disk
Right now the unallocated space shows at the end of Virtual Disk2 (I have a RAID 1 volume as Virt Disk 1 and another RAID 1 volume as Virt Disk 3).
Does this mean I can't run diskpart?
-J.-