Solaris 10: Boot Archive

Fixing a boot archive Solaris 10

The procedure in short:
1) Start failsafe boot:
ok boot -F failsafe
when system ask for boot drive selection answer with 'q'
...
Please select a device to be mounted (q for none) [?,??,q]: q
and a shell is starting

2) Mount the single root drive read-only! (use format if not know the root drive)
# mount -o ro /dev/dsk/c0t0d0s0 /a
3) Copy the md.conf file from the root drive to the active boot environment
# cp /a/kernel/drv/md.conf /kernel/drv/
4) Umount the single root drive
# umount /a
5) Update the md driver information
# update_drv -f md
devfsadm: mkdir failed for /dev 0x1ed: Read-only file system
#
6) Important: Wait a minute, it could take some time to configure the md devices!
7) Sync meta information (if not know the SVM root mirror then run metastat)
# metasync d0
8) Mount the SVM mirror
# mount /dev/md/dsk/d0 /a
9) Update the boot archive on the SVM mirror
# bootadm update-archive -v -R /a
some output will be shown
10) Umount SVM root mirror
# umount /a
11) reboot the system from repaired SVM mirror
# init 6