Em Qui, 2007-10-04 às 15:32 -0700, David Brodbeck escreveu: > On Oct 3, 2007, at 6:03 PM, Daniel Burrows wrote: > > > On Sat, Sep 29, 2007 at 07:37:10PM -0500, helices > > <[EMAIL PROTECTED]> was heard to say: > >> The problem with knoppix cd, and the debian installation/rescue > >> cd, is > >> that they do NOT understand the specifics of my lvm over software > >> raid > >> 5. The specifics required probably all reside under /etc -- on a > >> filesystem in lvm on software raid 5. > > > > Are you sure this is the case? Software raid and LVM are both > > kernel > > things (with userland support utilities), and they're autodetected > > using > > magic numbers on the partitions. As long as the kernel is compiled > > with > > support, I'd expect them to be accessible. It might be that the > > autodetection just isn't running on startup; I wonder if some work > > with > > mdadm and the LVM utilities would get you access to the volumes. > > It might > > at least be worth a try. > > I find that LVM-over-RAID is not autodetected by most rescue disks. > It's necessary to first bring up the RAID array manually with mdadm, > then run vgscan and vgchange -ay to start up LVM. After that it > should work fine. I've done this before, but it's been a little > while and I can't remember the exact command lines I used. > > The problem is grub. Grub has no support for this (lvm over raid)
you need a lilo booter (wich the etch installer installs). and a lilo based rescue CD. I was bitten quite often by this problem, therefore I use a /boot outside of raid/lvm, /boot on one HD, variouos swaps on the others. after that you can boot with any Grub CD Michel. > >