On 10-12-10 3:50 PM, Reiner Buehl wrote:
On 10.12.2010 21:15, David Gaudine wrote:
2) I put the SWAP partition on RAID. The first guide doesn't use
RAID for swap. The author emailed me his comments about the pros and
cons, and I think I want it on RAID for peace of mind. It shouldn't
really matter since I have much more RAM than I need. Is there any
reason I might regret putting SWAP on RAID? "cat /proc/mdstat"
reports the MD1 (the swap device) as "auto-read-only".
In Linux, all raid arrays stay in "auto-read-only" mode until they are
access the first time after each reboot, so this seems to imply that
your system has not yet initialized the swap. Did you add your swap to
/etc/fstab and mark it as swap there?
Usually the installer does that for me. I can't say if that happened
this time, because I played with Grub and now I can't boot.
4) The first guide shows how to install Grub on both disks. After
that's done once, do I have to do it again whenever there's a new
kernel package? Or in any other situation that I have to watch out for?
You only need to install grub on both disks once. After that, there is
no need to repeat that again unless you upgrade grub itself.
Here I have a big problem. The guide said to run grub and do
root(hd0,0)
setup(hd0)
and repeat for the other disk. I don't have an executable file "grub".
grub-pc is installed. After a bit of reading I tried this:
grub-install --root-directory=/boot /dev/sda
grub-install --root-directory=/boot /dev/sdb
Not a good idea. Now the system boots into a Grub command prompt, but
root(hd0,0)
says "no such partition". I tried other values besides zero, but always
get "no such partition", "File system is unknown", or "Cannot get C/H/S
Values".
Where did I go wrong? Is grub in some package other than grub-pc, or is
the method different now with grub2?
If you can tell me how to do it right I can probably save my
installation by using rescue mode, but that's not important since I can
reinstall if necessary.
David
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