Encapsulation of the System's Disk Using SVM

c0t0d0s2 represents the first system disk (boot)
c0t1d0s2 represents the second disk (mirror)

Duplicate the label's content from the boot disk to the mirror disk:

# prtvtoc /dev/rdsk/c0t0d0s2 | fmthard -s - /dev/rdsk/c0t1d0s2

Create replicas of the metadevice state database:

# metadb -a -c3 -f c0t0d0s4 c0t1d0s4
# metadb

Option -f is needed because it is the first invocation/creation of metadb(1m).

Creation of metadevices:

# metainit -f d10 1 1 c0t0d0s0
# metainit -f d11 1 1 c0t0d0s1
# metainit -f d13 1 1 c0t0d0s3
# metainit -f d16 1 1 c0t0d0s6
#
# metainit d20 1 1 c0t1d0s0
# metainit d21 1 1 c0t1d0s1
# metainit d23 1 1 c0t1d0s3
# metainit d26 1 1 c0t1d0s6

Option -f is needed because the file systems created on the slice we want to initialize a new metadevice are already mounted.

Create the first part of the mirror:

# metainit d0 -m d10
# metainit d1 -m d11
# metainit d3 -m d13
# metainit d6 -m d16
#
# cp /etc/vfstab /etc/vfstab.beforesvm
# metaroot d0

Don't forget to edit /etc/vfstab in order to reflect the other metadevices:

s@/dev/dsk/cXtYdZsN@/dev/md/dsk/dN@
s@/dev/rdsk/cXtYdZsN@/dev/md/rdsk/dN@

Install the boot block code on the alternate boot disk and set it in the OpenBoot Prom (OBP):

# installboot /usr/platform/`uname -i`/lib/fs/ufs/bootblk /dev/rdsk/c0t1d0s0
# eeprom boot-device="disk disk1 net"   /* Or just "disk disk1". */

Reboot on the new metadevices (the operating system will now boot encapsulated):

# shutdown -y -g 0 -i 6

Attach the second part of the mirror:

# metattach d0 d20
# metattach d1 d21
# metattach d3 d23
# metattach d6 d26

Verify all:

# metastat -p
# metastat | grep \%

Modify the system dump configuration:

# mkdir /var/crash/`hostname`
# chmod 700 /var/crash/`hostname`
# dumpadm -s /var/crash/`hostname`
# dumpadm -d /dev/md/dsk/d1