Hi,
I am trying to migrate a default PV install of opensolaris (on ZFS) to UFS. I
have attached another zvol to the original PV domU, created a proper vtoc (with
root slice), copied all the contents, created the stub /dev and /devices, added
a vfstab entry, created a bootsign, recreated the boot-archive and installed grub.
The menu.lst is
r...@os_0906:~# cat /mnt/boot/grub/menu.lst
#splashimage /boot/grub/splash.xpm.gz
#background 215ECA
timeout 30
default 0
#---------- ADDED BY BOOTADM - DO NOT EDIT ----------
title OpenSolaris 2009.06
findroot (rootfs0,0,a)
#root (hd0,0,a)
kernel$ /platform/i86xpv/kernel/$ISADIR/unix -v
module$ /platform/i86pc/$ISADIR/boot_archive
#---------------------END BOOTADM--------------------
Strangely, when I create the boot-archive with the default create_ramdisk, the
boot fails because it seems to expect a UFS file system on the ramdisk created
from the boot_archive:
NOTICE: mount: not a UFS magic number (0x0)
Cannot mount root on /ramdisk:a fstype ufs
panic[cpu0]/thread=fffffffffbc60560: vfs_mountroot: cannot mount root
fffffffffbc93360 genunix:vfs_mountroot+350 ()
fffffffffbc93390 genunix:main+f0 ()
fffffffffbc933a0 unix:_locore_start+80 ()
As a first try, I have modified create_ramdisk to create a UFS boot_archive, but
this does not solve the issue:
panic[cpu0]/thread=fffffffffbc60560: Cannot find /devices
fffffffffbc93320 genunix:vfs_mountdevices+1d1 ()
fffffffffbc93360 genunix:vfs_mountroot+228 ()
fffffffffbc93390 genunix:main+f0 ()
fffffffffbc933a0 unix:_locore_start+80 ()
My impression is that the modifications I made somehow disabled the "new boot"
process and the kernel expects a real root file system rather than the ramdisk now.
I guess this might be something no-one has ever bothered to try, but I would
appreciate any pointers as to what I might have missed to do or how to further
debug this.
Thank you very much in advance,
Nils
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