From: Dave Martini (martini@mrpeabody.llnl.gov)
Date: Tue Jun 06 2006 - 12:05:46 EDT
I setup a 3 disk stripe and mirrored it to another 3 disk stripe in a
multipak.
Right now I have boot drive mirrored to the 2nd. internal drive on this
machine so I have 2 state databases on each of the 2 internal disks as
follows
ctprod# metadb
flags first blk block count
a m p luo 16 8192 /dev/dsk/c0t0d0s4
a p luo 8208 8192 /dev/dsk/c0t0d0s4
a p luo 16 8192 /dev/dsk/c0t1d0s4
a p luo 8208 8192 /dev/dsk/c0t1d0s4
ctprod#
Do I need to create state database replicas on all 6 drives in the
multipak or are the ones on the internal boot disk all I need?
The procedure I used to create the stripe/mirror on the multipak is as
follows does this look ok?
How easy is it to replace a failed disk in the multipak?
# history
1 df -kl
2 metastat
3 metainit d11 1 3 c1t1d0s2 c1t2d0s2 c1t3d0s2 -i 64k
4 metastat
5 metainit d12 1 3 c1t4d0s2 c1t5d0s2 c1t6d0s2 -i 64k
6 metastat
7 metainit d14 -m d11
8 metastat
9 cd /
10 mkdir u01
11 df -kl
12 mount /dev/md/dsk/d14 /u01
13 metattach d14 d12
14 newfs /dev/md/rdsk/d14
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