Toomas Aas wrote:

I have a small server running FreeBSD 4.10, 2 x 80 GB drives mirrored on Promise TX2 integrated RAID1 controller. I'd like to replace the 80 GB drives with 200 GB drives.

Here's my current plan:

1. Attach one of the new drives to free ICH4 IDE port on motherboard, partition it and transfer the data using dump/tar.

2. Remove the 80 GB drives, attach 200 GB drives (one with data, one blank) to TX2 IDE ports and re-create the mirror using Promise onboard BIOS utility.

3. Reboot, fix the fstab (if necessary) and be done with it.

I have one doubt with it. Currently my partitions are ar0s1a (/), ar0s1b (swap), ar0s1e (/var) etc. When I create corresponding partitions on the new drive while it is attached to ICH4 controller, the partitions are created as ad0s1a, ad0s1b etc. When I then move this drive to TX2 port and re-create the mirror the partitions should again be ar0s1a, ar0s1b etc. Will it "just work" or will it not work at all?

Another thought - maybe I shouldn't create the new array using the Promise BIOS utility, but instead should bring the server up and use 'atacontrol create RAID1'? What do you think? Which method has a better chance of success?


--
Toomas Aas --------------------------------------------------------
|arvutivõrgu peaspetsialist | head specialist on computer networks|
|Tartu Linnakantselei       | Tartu City Office                   |
----------------------------------------------------- +372 736 1274


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