Re: RAID1 with multiple partitions
On Fri, Dec 10, 2010 at 05:57:09PM -0500, David Gaudine wrote:
> 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.
>
Burn yourself a copy of supergrubdisk. It can be a lifesaver in these
situations.
>>> 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:
>
Are you trying it as root?
-Rob
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