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Upgrading Simple Dynamic SCSI Array Volume

Posted on 2011-03-12
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Last Modified: 2012-05-11
We have a powervault MD1000 SCSI array volume configured as one virtual disk. It was 1.8TB, and i've added additional drives, reconfigured (keeping files intact) using Dell Open Manage, and in Dell open manage the capacity is now 3.8TB. However, in windows (server 2003) it still shows the previous value. In windows disk management, the drive shows up as Layout = SIMPLE, Type = Dynamic, File System = NTFS.

I've read that Windows perhaps can not see this because it is over 2TB, but i thought there was a hotfix for this.
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Question by:mray77
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andyalder earned 2000 total points
ID: 35116245
The problem is because you've exceeded 2TB. You can have volumes greater than 2TB but that requires GPT partition table and you can't convert to GPT without data loss.

Should never have been dynamic disk, isn't needed, but that's not the cause of the problem, just that dynamic disks are bad.

Not sure what options OpenManage gives you, if you can shrink the volume back to the original size and create another LUN on it for an additional drive under Windows, otherwise it's backup/restore time, creating it as GPT with Windows disk manager this time.
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by:mray77
ID: 35129136
Thanks for the feedback, i was able to move the data to another drive and reformat the volume in GPT format. Windows now detects the full capacity of the volume; which is greater than 2TB.
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