To use Solstice Disk Suite, you need to install the following packages SUNWmd - Solstice DiskSuite SUNWmdg - Solstice DiskSuite Tool SUNWmdn - Solstice DiskSuite Log Daemon Common to both options below 1. Create identical partitioning on the second disk dd if=/dev/rdsk/c0t0d0s2 of=/dev/rdsk/c0t1d0s2 count=16 2. Setup the state databases with 3 backups per slice on each disk metadb -a -f -c 3 /dev/dsk/c0t0d0s7 /dev/dsk/c0t1d0s7 For all slices except root -------------------------- Description Mirror Name Device Name 1st mirror d21 c0t0d0s4 2nd mirror d22 c0t1d0s4 Metamirror d2 /dev/md/dsk/d2 1 Create submirrors for the mirrors a) metainit -f d21 1 1 c0t0d0s4 b) metainit d2 -m d21 c) metainit d22 1 1 c0t1d0s4 2. Make a backup of the /etc/vfstab file before editing it 3. Make the following change in the /etc/vfstab file /dev/md/dsk/d2 /dev/md/rdsk/d2 /usr ufs 1 no - 4. Reboot 5. Attach the submirror to the metamirror metattach d2 d22 (NOTE: There will be lots of disk I/O) For the root slice only ----------------------- Description Mirror Name Device Name 1st mirror d11 c0t0d0s0 2nd mirror d12 c0t1d0s0 Metamirror d1 /dev/md/dsk/d1 1. Create submirrors for the mirrors a) metainit -f d11 1 1 c0t0d0s0 b) metainit d1 -m d11 c) metainit d12 1 1 c0t1d0s0 2. Make a backup of the /etc/vfstab file 3. Let the metaroot command make the /etc/vfstab changes for you metaroot d1 4. Run lockfs to prevent problems lockfs -fa 5. Reboot 6. Attach the submirror to the metamirror metattach d1 d12 (NOTE: There will be lots of disk I/O) 7. Do an ls and copy the info down as this is the alternate boot path ls -l /dev/rdsk/c0t1d0s0 -Contributed by David Cashion