On 06/03/13 03:14 PM, Adam Wolfe wrote:
On 03/06/2013 03:04 PM, Gary Dale wrote:
On 06/03/13 02:37 PM, Adam Wolfe wrote:
On 03/06/2013 02:34 PM, Gary Dale wrote:
On 06/03/13 02:31 PM, Gary Dale wrote:
On 06/03/13 02:26 PM, Adam Wolfe wrote:
Ignore the advice from Adam Wolfe - it's nonsense. Use the
Debian installer (advanced mode) to create the RAID 5 array on
drives with just one partition (whole disk) as /dev/md0. Then
partition the RAID 5 array into / and /home. Install and reboot.
If you are using Wheezy this will work directly. If you are
using Squeeze then you may need to fix the UUID in /boot/grub.cfg.
I've done this successfully several times. It just works.
Eh. I tried that too. Grub failed to install.
If grub doesn't install, then install it. Boot using the Debian
installer as a rescue CD, start the RAID array, chroot to the /
partition and install grub.
BTW: I assume you are using Squeeze which is slightly more
problematic due to the older versions of software. Wheezy works
fine and I'd recommend it for anyone's desktop. It's probably good
enough for servers at this point, but if you're looking after
servers, you should be able to handle RAID on Squeeze. :)
Naw. I was using Wheezy. Partitioning the multiple drives did
indeed give me /dev/md0 but grub still wanted to install to
/dev/sda, and thus failed.
I'm not sure that is incorrect behaviour. Grub should install to the
MBR of the drive, which is not part of the RAID array. However, you
should also install grub onto each of the other drives in case one
fails. Grub could be installed onto /dev/md0 but I don't see it ever
being executed since the hardware wouldn't recognize the RAID array.
Yeah that's what I was saying about booting after install from the
install disc and doing a 'greub-install --recheck /dev/sdX' for each
drive.
You don't need to boot from the installer. You can, and should, do it
from the installed system once everything is working.
However, now I'm confused about your complaint that grub doesn't install
to /dev/md0. Were you trying to say that grub didn't install to all
bootable devices? That is probably a valid complaint especially given
that device ordering isn't always consistent. Still, it's not usually a
problem and certainly isn't one that gets fixed with logical partitions.
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