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RAID 5 - Logical device failed

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Last Modified: 2013-11-14
Hi,

Adaptec 2420SA controller, Windows storage server 2003, HP Proliant DL100G2.

We have 4 disks, 3 logical devices using RAID 5. One disk failed, therefore we replaced with a new disk.

Problem, once replaced the disk the logical device 3 failed and logical device 2 and 1 are now degraded. Looking via Storage Manager the new drive is only part of logical device 1 and 2 and not 3 as it should be. All disks status are optimal. We can boot the system up for the OS is on logical device 1 however all data is on logical device 3

I know you can use RAID Reconstructor but I cannot see the disks under windows disk management so the RAID reconstructor will not work.
Is there a way to rebuild the logical devices without Data loss ? Can I take the disks out and plug into another RAID controller ?
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Commented:
Hello,

Have you tried to see the current configuration of the controller before starting windows? Try to access into the controller menu and check how many logical devices are there.

You can plug the disks into another raid controller but you must ensure that the other raid controller is the same manufacturer and model as the old one.
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