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тАО01-10-2007 01:58 AM
тАО01-10-2007 01:58 AM
Array Migration
I would like to remove 2 disks from the RAID 5 set, migrate data to the C: drive, recreate a RAID 5 array using 3 disks and add a D: partition to the new RAID 5.
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тАО01-10-2007 02:18 AM
тАО01-10-2007 02:18 AM
Re: Array Migration
What you've said doesn't seem to make sense.
Cheers,
Rob
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тАО01-10-2007 02:25 AM
тАО01-10-2007 02:25 AM
Re: Array Migration
Array B, Logical Drive 2, 3x72GB disks in RAID 5 configuration. This is the D: drive.
I would like move data from Array B to array A , then Delete Array B.
Once Array B is deleted I would like to add a drive to Array A and make Array A RAID 5 and add a partition (D:) so now Array A is C: and D: RAID 5.
Is this possible?
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тАО01-10-2007 07:52 AM
тАО01-10-2007 07:52 AM
Re: Array Migration
Now I understand. Yes this should be possible, although I've never actually tried...
1. Make sure you have a good backup of everything, just in case.
2. Copy the data that you want from the D: drive to the C: drive - I'm assuming you'll have enough space on C: ...
3. Using the ACU (Array Configuration Utility) delete Array B.
4. Remove the two disks you don't need.
5. Refresh ACU.
6. Select Array A in the ACU, and use the migrate option to change to RAID-5. This will probably take a while...
7. Open up Windows Disk Management and you should (hopefully) now see a single drive with your existing ~68GB C: drive, and ~68GB of unallocated space. Click in the unallocated space to create a new partition for your D: drive.
Note again, that I've never actually tried this so apologies if things don't work - and make sure you complete step 1 first !!
Cheers,
Rob
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тАО01-10-2007 09:33 PM
тАО01-10-2007 09:33 PM
Re: Array Migration
Actually after the RAID level migration process is complete, you'll end up with unallocated space on Array A, so you won't be able to see unallocated space in Windows Disk Management yet. You'll have to use ACU to expand the logical drive, or create another logical drive. According to ACU documentation the process of modifying RAID configurations (changing RAID level, expanding logical drives, etc) takes about 15 minutes per gigabyte, and is considerably slower when you don't have battery backed cache on Smart Array controller.