Linux forum: Need Help Upgrading RAID5 Array With Larger Drives

by: djsting February 15, 2011 5:51 AM PST

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Need Help Upgrading RAID5 Array With Larger Drives

by djsting - 2/15/11 5:51 AM

I have a CentOS 5 based Linux system with a 3Ware 9550SU RAID card and four 500GB drives set up in a RAID5 array.

I want to 'replace' these drives with four 2TB drives without data loss. My server case has a total of 8 drive bays all hot-swap and all attached to the RAID card, this means I have four empty drive bays on the RAID card.

One thought is to put the four new 2TB drives in the empty drive bays, configure them in a new RAID5 array. Then the question is now to I "mirror" the original RAID5 array over to the new one?

This is just a thought though, I am not sure it will work. In short my question to this forum is how do I accomplish this upgrade?

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