Re: Migrating to a RAID 1 setup (hardware RAID)
- From: AZ Nomad <aznomad@xxxxxxxxxxxxxx>
- Date: Sun, 23 Apr 2006 22:25:57 GMT
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! You MUST do an exact mirror. With a software raid
card, you use it's toolset, or with a hardware raid, you use it's
BIOS software.
With a software raid, you'll have to create a raid volume where you're
file system(s) will live.
With hardware raid, evereything will be done transparently to the OS. You
don't need to change a single configuration file. Linux will only see
one drive.
.
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