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Upgrade Hard Drives in RAID 10 - HP DL 360 G6 Server

Posted on 2013-01-08
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Hello,

I've an existing server (HP DL360 G6) with 4 drives on it configured as RAID 10. I would like to replace all of those 4 drives (4 x 136GB) with new drivers (4 x 300GB) but needs to keep the data as it is.

i.e., I would like to replace existing hard drives in RAID 10 with New Hard Drivers, but keep the data. I've used Acronis like imaging tools before, but I'm not sure how this is going to be work incase of RAID.

Can anyone let me know how can I upgrade hard drives in RAID 10 with newer hard drives? Any further help/suggestions would be appreciated. Thank you!
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Question by:SrinathS
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by:dlethe
ID: 38754905
Acronis will see a single disk drive as it works at the logical level.  You can prove this by backing up and it will see one disk.    So backup.  Then shut down system, put in the new drives, build/initialize the new RAID, then restore to it.   If you have a problem, the original data is safe on those old drives.
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rindi earned 500 total points
ID: 38754943
If your acronis booting CD recognizes the RAID controller as such there should be no problem with making a backup, then restoring that to your new array. Just boot the Server from the CD and check. If you see each disk separately, then it doesn't recognize the controller. If it sees the RAID 10 array and not each separate disk, then it recognizes the controller and you can use it.

Personally I prefer using either the free PartedMagic LiveCD, and it's included "CloneZilla" utility (this LiveCD recognizes most hardware RAID controllers properly), or Paragon's backup utility, of which you can create a WinPE based LiveCD, and using that you can load the RAID controller's drivers from a USB stick or similar. Depending on what OS you are using on your Server, there may also be a further option you could use. If it is Windows 2008 or Windows 2008 r2, you can use the builtin backup utility of the OS to create the backup image, and then when restoring to the new array, just boot from your installation DVD and select the restore option, load the controller's driver, and you should be able to restore that backup.

http://partedmagic.com

http://www.paragon-software.com/products/business/
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by:SrinathS
ID: 38754945
Hi,

I've a full image of the server taken by Windows Server Backup. Based on your comments, I'm assuming these steps:

1. Take full image of the entire server (either via Acronis or Windows Server Backup)
2. Replace all existing drives (4 x 136GB) with new drives (4 x 300GB)
3. Rebuild the RAID 10
4. Restore the image

If I remove all of existing drives followed by rebuilding the RAID 10 (it has Smart-array 5i Array Controller), I need to extend the partition size in Windows Disk Management, right?

I've only 1 partition (C:) configured in current RAID 10 setup.
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by:rindi
ID: 38754955
Correct, you can extend the partition (if it is Windows 2008 or above), or you can also just add a further partition. Whatever you want...
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by:SrinathS
ID: 38754984
Okay. After removing the RAID 10 setup in Smart Array configuration (I've Smart Array P410i) and If I want to go back with previous hard drives which is (4 x 136GB), Is it still going to accept it?

i.e., Until I've all of 4 drives with data, rebuilding the RAID in Smart Array controller won't make any effect, right?
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by:dlethe
ID: 38756280
No, you just turn it off and yank out the disks. That way metadata stays on them and the controller will "learn" the config. If you remove the old RAID10 in the setup while those disks are in there, you blow away the array.  (Recovery is still possible, but very painful).
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