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Solaris : How to do a Raid 1 (mirror) on data disk?

Posted on 2012-03-29
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Last Modified: 2012-06-21
Hello experts.

I have 4 disks on a Sun Fire V440 (solaris 11).
I have mirrored the root disk and I want to use the two other disks c2t2d0 & c2t3d0 as data disk.

I plan to mirror the data disk for a better data redundancy, but I don't know exactly how to partition them, and I am not sure how can I mirror data disk. Can you guide me  ?

bash-3.2# format               
Searching for disks...done


AVAILABLE DISK SELECTIONS:
       0. c2t0d0 <SUN72G cyl 14087 alt 2 hd 24 sec 424>
          /pci@1f,700000/scsi@2/sd@0,0
       1. c2t1d0 <SUN72G cyl 14087 alt 2 hd 24 sec 424>
          /pci@1f,700000/scsi@2/sd@1,0
       2. c2t2d0 <SUN72G cyl 14087 alt 2 hd 24 sec 424>
          /pci@1f,700000/scsi@2/sd@2,0
       3. c2t3d0 <SUN72G cyl 14087 alt 2 hd 24 sec 424>
          /pci@1f,700000/scsi@2/sd@3,0

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Question by:cismoney
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arnold earned 500 total points
ID: 37785398
http://www.unixway.com/vm/disksuite/metainitexamples.html
Presumably you partitioned the two remaining drives to include a small partition where the metadata can be stored.
Format
Select disk 2
Partition to see the current partition table
Let's say s7 will be the 100mb
s0 will be the rest of the space
Make sure to partition disk 3 in exactly the same way.

metainit d21 1 1 c0t2d0s0
metainit d22 1 1 c0t3d0s0
metainit d2 -m d21
metattach d2 d22
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