Technical Tip

QUESTION

How do I create a mirrored system disk in Solaris 10 jumpstart?

ANSWER
Solaris 10 supports the use of mirror devices with the filesys keyword.
Here is an example jumpstart profile with mirroring:-

install_type    initial_install
system_type     standalone
cluster         SUNWCall
partitioning  explicit
filesys mirror:d10  c0t0d0s0  c0t1d0s0  16384 /
filesys mirror:d20  c0t0d0s1  c0t1d0s1  4096  swap
filesys mirror:d30 c0t0d0s3 c0t1d0s3 4096 /opt
filesys mirror:d40 c0t0d0s4 c0t1d0s4 32768 /usr
filesys mirror:d50 c0t0d0s5 c0t1d0s5 free /export/home
metadb c0t1d0s7  size  8192  count  3

Rather generous slice sizes for /usr and root, but they always seem to fill up....
The submirror devices names will be formulated automatically (e.g. d11 and d12 for the d10 mirror device)
Metastate database replicas must be on a slice separate to any metadevice (This is not a restriction other than in a jumpstart), and there must be at least three in any SVM system.

For a full run-down on Solaris Volume Manager etc., please attend our Solaris 10 Administration courses,

We hope this has been a useful tip.
Mick Hosegood - First Alternative.

NOTES

First Alternative course tutors can answer questions like this ... and are happy to do so. Look around our site for relevant courses in Linux -Unix - Solaris

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