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Mirroring entire disk (root, etc...)

Posted on 2004-08-02
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Last Modified: 2013-12-27
I have a Sun Fire280R server currently running Solaris 8 and I would like to mirror the entire disk (root, etc…).  The Sun Fire 280R has a front loading drive controller (#1) with two slots.  I currently have the original disk which is running the OS in slot0 (target 0) and a second disk in slot1 (target1).  Both disks are the same make and model and are also partitioned exactly the same.  What are the steps to mirror the disk in slot0 (target0) to the disk in slot1 (target1)?  I have already established the metadb’s by using partitions 5 and 6 and I have also recorded the PATH to the Alternate Boot Device(slot1, target1) for precautionary purposes.

Part      Tag            Flag            Cylinders            Size            Blocks
0      root            wm            0 – 5671            7.81GB      (5672/0/0) 16386408
1      swap            wu            5672 – 6366      980.40MB      (695/0/0) 2007855
2      backup            wm            0 – 24619            33.92GB      (24620/0/0) 71127180
3      home            wm            6381 – 15497      12.56GB      (9117/0/0) 26339013  
4      unassigned      wm            15498 – 24614      12.56GB      (9117/0/0) 26339013  
5      unassigned      wm            6367 - 6373      9.87MB      (7/0/0) 20223
6      unassigned      wm            6374 - 6380      9.87MB      (7/0/0) 20223
7      unassigned      wm            0            0      (0/0/0) 0

#df –k

Filesystem            Kbytes            used            avail            capacity      Mounted on
/dev/dsk/c1t0d0s0      8065025                      6629673                      1354702                      84%      /
/proc            0            0            0            0      /proc
fd            0            0            0            0      /dev/fd
mnttab            0            0            0            0      /etc/mnttab
swap            1580640                      8            1580632                      1%      /var/run
swap            1581736                      1104            1580632                      1%      /tmp
/dev/dsk/c1t0d0s4      12964285                      1269153                      11565490                      10%      /storage
/dev/md/dsk/d5      70289799                      9529739                      55136877                      15%      /raid5
/dev/dsk/c1t0d0s3      12964285                      1057434                      11777209                      9%      /home
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Question by:ars21292
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