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Proliant DL380 G3 - RAID Question.

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CA1340673
Occasional Visitor

Proliant DL380 G3 - RAID Question.

Hi everyone,

We have some DL380 G3 Servers with RAID 1 and RAID 5. We intend to buy some spare SCSI hard disks. My question is:
Given RAID 1 running with 2 36 GB disks or RAID 5 with 3 36 GB disks,if one of the disks fails, can we rebuild the mirror or stripe using a bigger capacity hard disk - 72 GB or 146 GB ?

Regards.
2 REPLIES
CA1189639
Occasional Visitor

Re: Proliant DL380 G3 - RAID Question.

Hi. You can not rebuild a other capacity hard disk. It may lead to apparat level error.
Steven Clementi
Honored Contributor
Solution

Re: Proliant DL380 G3 - RAID Question.

Sezgin:

Yes, you can use a larger capacity drive to rebuild a failed drive.

You will only have the capacity of the smaller size available though.

I.E. In your RAID1/2-36GB Disk Array. One fails and you put in a 72. The 72GB disk will act as a 36GB disk and the other 36GB will be lost/un-usable. If you then replace the other disk 36GB disk with a 72, the space will then become available for Extend of your logical drives or creation of new logical drives.


Steven
Steven Clementi
HP Master ASE, Storage and Clustering
MCSE (NT 4.0, W2K, W2K3)
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