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Disk Arrays
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Extend RAID 5 Array

YairLevi80
Occasional Advisor

Extend RAID 5 Array

Hi all,
I have an MSA20 Encloser with 9 500gb SATA disks. It has two array:
Array A (RAID5) - 4 disks
Array B (RAID5) - 5 disks
Each array is one drive in windows(one volume).

Now I'd like to add 3 500gb SATA disks to Array B. How do I do it?

Not only do I have to do it on the array side, i'll also need to tell windows that the drive size has been changed.
2 REPLIES
IBaltay
Honored Contributor

Re: Extend RAID 5 Array

Hi,
1. add the disks into the enclosures
2. check if the firmwares are the latest
3. Expand the appropriate arrays (time demanding)
4. Expand the logical volumes (time demanding)
5. diskpart the new space on the Windows host side (online)

the pain is one part of the reality
IBaltay
Honored Contributor

Re: Extend RAID 5 Array

Hi,
one additional, the whole operation is online with no downtime
the pain is one part of the reality