Re: RAID 1 setup on woody
It took a little bit of experimenting, but the basic
steps you laid out worked. Success!
For anyone else who might want to try this, I found I
had to do two things differently:
1. I had to use mkraid instead of raidstart to get
the RAID devices working on /dev/hdc.
2. After copying root and /boot over to the /dev/md1
and /dev/md0 and following the steps in the howto, I
couldn't get the system to boot on the RAID -- it kept
booting on /dev/hda. So, after making sure all of root
and boot was on the RAID devices, and updating the
/etc/fstab and Lilo on the RAID devices, on reboot, at
the Lilo boot prompt, I said "root=/dev/md1" and that
worked -- into the RAID device I went. Then I followed
the other steps of adding the /dev/hda partitions.
Thanks for the help.
Richard
--- Dave Sherohman <esper@sherohman.org> wrote:
> On Fri, Feb 22, 2002 at 04:28:46PM -0800, Richard
> Weil wrote:
> > Thanks, this is great. A couple of follow-up
> > questions:
> >
> > 1. How do I get to single user mode without
> rebooting?
> > (I know I should already know this.)
>
> init 1
>
> > 2. Do I need to do anything special to copy the
> > partitions from /dev/hdaX to /dev/mdY? Once I'm in
> > single user mode can I just "cp -R /dev/hdaX
> > /dev/mdY"?
>
> You definitely do _not_ want to just run cp -r; that
> would destroy
> all of your file ownership and permission settings.
> cp -a is better,
> since it preserves those, but I'm not sure how well
> it handles links
> and device files. Not well, I suspect.
>
> > - create /mnt/newroot
> >
> > - then:
> >
> > cd /
> > find . -xdev | cpio -pm /mnt/newroot
>
> This is a much saner option. Personally, I mount
> the device directly
> on /mnt, then use:
>
> find . -xdev -print0 | cpio -pvdm0 /mnt
>
> If the other version came from the HOWTO, I suppose
> it should work,
> but it could have problems with filenames containing
> spaces or
> certain other odd characters (prevented by the
> -print0 / -0). The -d
> on cpio ensures that leading directories will be
> created, which is
> mostly just paranoia in this case, and -v is the
> ever-popular verbose
> flag, because I like to see what it's doing.
>
> --
> When we reduce our own liberties to stop terrorism,
> the terrorists
> have already won. - reverius
>
> Innocence is no protection when governments go bad.
> - Tom Swiss
>
>
> --
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