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Restored 2012 OS onto larger volume, can not use extra space

Posted on 2016-09-03
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Last Modified: 2016-09-06
I just restored my Server 2012 install from a 1TB volume to a 2TB volume. I wanted more storage and it was a better RAID controller. Trouble is, while the partitions are still all the same size and add up to (roughly) 1TB, the OS is somehow showing that I am using all of the 1.8TB of the new volume and won't let me expand any disks to take advantage of the new space. I don't know what went wrong. I was going to try to boot from another disk and try to examine the disks more closely, but I was hoping that I am simply missing something obvious.

Look at the attached image to see what I mean. The volumes all add up to about 900GB (the blacked out one is a USB-based backup volume), but the OS still thinks that all 1.8TB are being utilized. Little help?

Screen shot of Server 2012 Volume Manager
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Question by:medium_grade
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by:Cliff Galiher
ID: 41783392
Without knowing about the disks or pools defined, it is tough to say where the remaining space is hiding. Not enough info in that screenshot.
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by:nobus
ID: 41783411
to me it looks ok; it has assigne dthe whole 2TB drive to your OS
is that not what you wanted?  how much free space does it show?
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by:Shaik M. Sajid
ID: 41783555
it seems the virtual disk configuration issue

try the following solution

http://www.dell.com/support/article/us/en/04/SLN156106


all the best
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by:noxcho
ID: 41783559
Show us a picture of you Windows Disk Management.
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by:medium_grade
ID: 41784320
See attached disk management. As you can see, the disks themselves do not add up to 1.82TB

Windows Disk Management
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by:noxcho
ID: 41784354
Press on Tools - Computer Management - Disk Management. Can you give us the screen shot from that snap-in exactly? Like on my example.
1_2.jpg
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by:nobus
ID: 41784530
can you answer my question?  how much free spacce does it show?
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by:medium_grade
ID: 41785504
noxcho, THAT's how I get there! I was looking for that!

Can I not expand a "logical volume?"

Disk Management
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by:nobus
ID: 41785588
since i get no answers - i'm out
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noxcho earned 500 total points
ID: 41785632
Tyere are two ways to extend the volume thus to get the whole space:
1) copy out data from D: then delete D drive. After that delete Extended partition.
Then you can add some space to C by right click on it - extend. Finally right click on the rest of unallocated space and create D partition again. Copy data back to it.

2) you get a copy Partitioning tool and perform resize. First you will need to allocate the free space to Extended partition (that green frame around D partition). And then allocate it to D partition. There are free tools such as Parted Magic,  or Gparted and tools which you can buy: Hard Disk Manager, Partition Wizard, Disk Director.
Imho the first option is the best for you.
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by:noxcho
ID: 41785635
Nobus,  on the screen shot you can see the answer to your question. The space is not allocated.
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by:medium_grade
ID: 41785656
I use Parted Magic all the time for this sort of thing. I just didn't want to use it if something was wrong with the partitions.

Thanks!
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by:noxcho
ID: 41785671
You are welcome!
Take care
Noxcho.
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After years of analyzing threat actor behavior, it’s become clear that at any given time there are specific tactics, techniques, and procedures (TTPs) that are particularly prevalent. By analyzing and understanding these TTPs, you can dramatically enhance your security program.

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