Re: Migrating to a RAID 1 setup (hardware RAID)

AZ Nomad wrote:
On Sun, 23 Apr 2006 13:41:58 -0400, John-Paul Stewart <jpstewart@xxxxxxxxxxxxxxxx> wrote:



Doug.Baggett@xxxxxxxxx wrote:

I have a Slackware 10.2 system (but this question really apples to any
distribution).

I picked up a used 3ware 7500-4LP RAID card and would like to use it
with my current LINUX system which is currently configured on a 30GB
drive.

What is the proper way to migrate the system?


The easiest is to buy two identical disks for your RAID-1 array, create the array using 3ware's configuration methods, and then copy your existing stuff over to the array using 'cp -a' or 'tar' or 'rsync' or whatever method you prefer. Then edit /etc/lilo.conf (or grub's configuration file, if that's what you use) to point to the array and re-run LILO. Shutdown, remove the old hard drive, and then boot from the new array.


Have you ever actually tried that? You do NOT use the file system to
mirror a drive!

I didn't say to use the filesystem to mirror it. I said to "create the array" and "then copy your existing stuff over" (instead of having to re-install everything).

In fact, once the array is created, it can be treated like any other new hard drive, and the Hard Disk Upgrade HOWTO at http://www.tldp.org/ can be followed.
.

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