Query on changing Logical Drive

Windows 2000 Server configured with RAID5 (4x80GB).

Current set-up in disk management as follows:

System (C:) = Primary Partition (active) 20GB
Accounts (D:) = Logical Drive 20GB
Unallocated = 183GB

I must've set this up incorrectly as I now see that I should have created an Extended Parition that used the remaining disk space (203GB), THEN created Logical Drives within the Extended Partition (correct me if I'm wrong or you have a better recommendation).

My only trouble is that I have installed an accounts package to the D: drive which I cannot uninstall (it will take forever to reinstall).  Can I buy something like Partition Magic to help me, and will it allow me to change the existing Logical Drive (D:) so that it exists in an newly created Extended Partition?

Thanks,

TEk
TeknophobiaAsked:
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LucFEMEA Server EngineerCommented:
Hi Teknophobia,

>>My only trouble is that I have installed an accounts package to the D: drive which I cannot uninstall (it will take forever to reinstall)<<
Especially this makes clear to me that you don't want to start messing with partition resizing tools (if it goes wrong, it goes wrong big time!)

What you have to know is that win2k supports 4 primary partitions, no need to create extended ones with logical drives.
You can just make a partition out of the unallocated space on the array. Then format that partition to be able to use it.

Greetings,

LucF
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TeknophobiaAuthor Commented:
Thanks LucF,

I should've pointed out that I may need more than 4 partitions.

Tek
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rindiCommented:
Symantec's Volumemanager is like partitionmagic for servers. Acronis Trueimage Server can do the same thing
http://acronis.com
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LucFEMEA Server EngineerCommented:
Teknophobia,
Then just create an extended partition now, on which you can put logical drives. Two primary partitions and an extended is also well possible in windows 2k.

Although I agree VolumeManager is a great product, I can never ever suggest it to someone to use if there's a simpler (and much safer solution) Just do a google on "partition magic failure" or "volumemanager failure" and you'll find that a simple mistake can be devastating to the data on the disk.

LucF
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TeknophobiaAuthor Commented:
Thanks rindi/LucF,

I thought of that, but the system does not allow the creation of an extended partition, presumably because the logical drive is already sitting in an existing extended partition.

Thanks,

TEk
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LucFEMEA Server EngineerCommented:
What you can do is use diskpart to extend the allready existing partition:
How to use Diskpart.exe to extend a data volume
http://support.microsoft.com/kb/325590

LucF
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TeknophobiaAuthor Commented:
Hi LucF,

That diskpart really got my hopes up, but I cannot get it to work in my scenario.

The D: drive is a 20GB extended partition with a 20GB logical drive.  When I use the EXTEND command, it extends both the extended partition and the logical drive - I only want the extended to increase (so that I can create more logical drives).

I thought I could get around it by selecting the partition (as opposed to the volume), but you cannot use the EXTEND command on the partition.

Any clues people?

Thanks.

TEk
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LucFEMEA Server EngineerCommented:
I've never had to use it for any other purpose than extending existing partitions when I upgraded a RAID-5 array with bigger disks, so I don't know if it'll even be possible with diskpart. :(

Is it possible for you to just create a backup of the "Accounts" partition? Then, delete and re-create partitions and then restore that data?
I think it's the safest and best way in your occasion.

LucF
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TeknophobiaAuthor Commented:
Thanks LucF - have now tried backing up, extending partitions, then restoring - unfortunately, this caused issues with MS DTC and COM+.  Tried re-installing COM+ (MS KB Article 301919) to no avail.

So, I am now doing what I should've started last week - uninstalling the accounts package and starting from scratch!

Thanks to both contributors.

TEk
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LucFEMEA Server EngineerCommented:
Too bad it had to go that way Teknophobia :(
Good luck with the installation.

Take care,

LucF
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