hi ya andy
On Sat, 20 Dec 2003, Andy Firman wrote:
> > for setup of a new system ( the right way?? )
> > - make sure the partition type is FD(raid) not 82(linux)
>
> Can one simply change the partition type via fdisk on an existing system
> if one is going to add a new drive to RAID1 the drives?
i havent tried it ... i prefer a "clean" system so i awlays
format the raid before and copying data from the orig drive to the new
raid
> Or must this be done during initial install?
it's an experiment ( imho ) ... lots of howto convert single disk into
"raid"
http://www.1U-Raid5.net/HowTO/SW-Raid-HOWTO.txt
( non-raid to raid setup towards the bottom )
> > or just start with 2 fresh disks and leave the current disk alone
> > and retire it after your new raid setup is testing/working and
> > been running a few months
>
> I like this idea but I need help.
> A server of mine has just one 20GB drive.
>
> I have 2 spare 40GB drives. How would I make my current install on the
> 20GB work on the 40GB drives that I want to setup RAID1 on?
that makes it easy ... since you have 2 new disks
get knoppix or other "standalone" cdrom ..
- get it build your raid array w/ the raidtools and proper
/etc/raidconf file
- install that "working" cdrom system onto the new target raid
- deselect stuff you don't want
- make sure your kernel has raid support built into it or
you will have to build up an initrd too
- restore your original "config"
test that you can boot off hda or hdc without intervention
and all data resyncs all by itself when either is unplugged and
re-inserted a few GB-sized files has been saved while in degraded
mode
> I don't want to do a fresh install as I spent alot of time on this
> particular server configuring it a certain way.
to save your packages you selected
# Save system
dpkg --get-selections * > /mnt/floppy/pkg.lst
#
# Restore system
dpkg --set-selections < /mnt/floppy/pkg.lst
apt-get update
apt-get dist-upgrade
c ya
alvin
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