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Solaris Harddisk

Adding a second Harddisk

I just added a second harddisk to a SUN. The following had to be done to get it working:

Change the SCSI ID on the drive

start Solaris and run devfsadm to create the devices in /dev

use

prtvtoc /dev/rdsk/c0t3d0s0

to see the partition table of disk one and

prvtvtoc /dev/rdsk/c0t1d0s0

for disk two.

Copying a Harddisk

c0t3d0 is the source
c0t1d0 is the target
The fast way would be to:

dd if=/dev/rdsk/c0t3d0s2 of=/dev/rdsk/c0t1d0s2 bs=10000k obs=10000k ibs=10000k

Remember that partition 2 (s2) is the backup partition spanning the entire harddrive.

For more manually oriented people, go with the following approach:

format 0 (for c0t1d0) part {0,1,3,4,5,6,7} change sizes (it's all in cylinders!!) print (show table) label (write to disk) q q

Things to note: Partition 2 is the backup partition, don't do anything to it!
Partition 1 is normally swap (don't put a filesystem on it!)
Use either dd to copy:

dd if=/dev/rdsk/c0t3d0s0 of=/dev/rdsk/c0t1d0s0 bs=1000k obs=1000k ibs=1000k

Or you can go via ufsdump 0f - /dev/rdsk/c0 ... | (cd /root2; ufsrestore xf -) and creating mountpoints, ... See here for instructions on this.

The version with dd worked very well for me. Don't bother dd-ing partition 2 and don't bother about anything else like mountpoints, ... that is all dd-ed with the rest!

CopyLeft (l) 2003 by Raffael Marty