Metadisk Mirror re-sync

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To: "'sunmanagers@sunmanagers.org'" <sunmanagers@sunmanagers.org>
Date: Wed, 7 Jan 2004 03:54:40 -0500 

Hello

There may be a simple solution for this, but I cannot see it (or it's just
been a long day!!)....

If I have the metadisk setup for the root disk
  d0 mirror to d10
  d0 mirror to d20

If I detach d20
  metadetach d0 d20

I can then boot of either d0 or d20 (have tested this). There are great
examples on this from BigAdmin in 817-0407-10.pdf - Configuring Boot Disks
With Solaris(tm) Volume Manager Software

If I boot of d0, then I can re-attach and sync d20 (i.e. d20 is a copy of
d10), this is no problem...BUT, it I boot on d20 (and make changes to d20)
is there a simple way to sync d0 (or d10) to d20, so d10 is then an exact
copy of d20.

The only way I can see so far is to completely destroy d0 and d10, then
rebuild the whole mirror...this seems a bit over the top!

Cheers

Paul
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