On Wed, Jun 13, 2012 at 12:40 PM, Christofer C. Bell <[email protected]> wrote: > On Wed, Jun 13, 2012 at 3:47 AM, Steve Dowe <[email protected]> wrote: >> >> I'm trying to re-use an older server, installing squeeze (6.0.5). I'm using >> software RAID and LVM on the machine (details below). But I must be doing >> something wrong with the disk set up stage in the installer, as when it >> boots I see an error flash up quickly: >> >> error: superfluous RAID member (5 found) >> >> It appears that the initramfs then gets loaded, the RAID detection fails and >> it then looks for the LVM volume group, which it can't find (as the LVM >> group exists on the RAID device). > > I don't believe you can boot from a striped volume (raid5 being a > stripe + parity). I found some instructions that may allow this to > work but requires packing a non-standard initrd: > > http://nil-techno.blogspot.com/2009/02/booting-fakeraid-raid5-linux-half-assed.html
grub2 can handle "/boot" on mdraid raid5 (and possibly dmraid raid5 too). >From a raid5 VM: [root]# grep md0 /proc/mdstat md0 : active raid5 sdc1[2] sdb1[1] sda1[0] [root]# [root]# [root]# mount | egrep -v 'udev|sys|run|pts|proc' /dev/md0 on / type ext4 (rw) [root]# [root]# [root]# cat /etc/fstab UUID=4b202d73-d5e4-4678-916c-6220eddb1b60 / ext4 defaults 0 1 [root]# [root]# [root]# grub-probe -t drive / (mduuid/53da4b0e979e6faa68401fe357f506a3) [root]# [root]# [root]# grub-probe -t drive /boot (mduuid/53da4b0e979e6faa68401fe357f506a3) [root]# -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected] Archive: http://lists.debian.org/CAOdo=sysaqr_et+frb7f+tyttsxys7v_tm4jhhfxpc-nivt...@mail.gmail.com
