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тАО03-27-2009 02:39 AM
тАО03-27-2009 02:39 AM
It's being used as a SMS-server (also distribution). We want to replace the existing disks with 2 x 300GB harddisks. What is the best way of doing this without losing data offcourse?
Any help would be appreciated.
PS: We use Dataprotector for backup & restore.
Solved! Go to Solution.
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тАО03-27-2009 02:44 AM
тАО03-27-2009 02:44 AM
SolutionLet the RAID rebuild
Power off, replace the other disk
Let the RAID rebuild
Then you'll have a logical unit of 137 GB and 142 GB free. You can use that free space to extend the logical unit.
This will NOT modify Windows partitions, as that's has to be done by the operating system.
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тАО03-27-2009 02:48 AM
тАО03-27-2009 02:48 AM
Re: Change small disks to bigger disk in RAID
I could use diskpart.exe to extend the partition. Perfect. That is much easier then I thought. Didn't know if RAID would accept 2 different harddisks.
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тАО03-27-2009 03:10 AM
тАО03-27-2009 03:10 AM
Re: Change small disks to bigger disk in RAID
I respectfully, but STRONGLY disagree with the power-off operation on a SmartArray controller.
I had one colleague overwrite my data of a RAID-1 member, because he replaced the other member (I don't remember the details why) of that disk drive array during power-down. After power-up, the RAID-1 reconstruct too the new disk drive as a source which meant 'good bye' to my data.
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тАО03-27-2009 03:16 AM
тАО03-27-2009 03:16 AM
Re: Change small disks to bigger disk in RAID
1) power down server
2) remove disk 1
3) power on server
4) place disk 3and let mirrorset build
5) power down server
6) remove disk 2
7) power on server
8) place disk 4 and let mirrotset build
Disk 1 + 2 are small disks
Disk 3 + 4 are big disks.
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тАО03-27-2009 03:28 AM
тАО03-27-2009 03:28 AM
Re: Change small disks to bigger disk in RAID
2.) pull disk 1
-- will be recognized as a failed disk
3.) wait 1 minute or so
4.) insert disk 3
-- will be recognized as a replacement and
-- RAID-1 reconstruct should start automatically
5.) monitor reconstruct with online-ACU
-- carefull watch until the reconstruct has finished
6.) pull disk 2
-- will be recognized as a failed disk
7.) wait 1 minute or so
8.) insert disk 4
-- will be recognized as a replacement and
-- RAID-1 reconstruct should start automatically
9.) monitor reconstruct with online-ACU
10.) after 2n reconstruct has finished
-- should see that there is free space in the disk drive array - expand (or was that extent? - I never can rememeber) the logical disk
and so on...
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тАО03-27-2009 03:59 AM
тАО03-27-2009 03:59 AM
Re: Change small disks to bigger disk in RAID
Also, you're right, inserting any disk with the server ON, will make it to be treated as a replacement disk, erased and used to rebuild.
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тАО03-27-2009 05:51 AM
тАО03-27-2009 05:51 AM