> This is a suggestion for the OpenSolaris installer;
> I've seen lots of interest in creating a mirrored
> rpool on OpenSolaris installations, would it be
> possible to allow the user to select this
> configuration at install time, 
> ...
> following post-install...
> http://wikis.sun.com/display/OpenSolarisInfo/How+to+Create+a+Mirrored+ZFS+Storage+Pool


See:

gui installer help pages should give correct information zfs root mirroring
http://defect.opensolaris.org/bz/show_bug.cgi?id=5405


An important point that either I missed or was not discussed in this thread is
that when you mirror your drives you would also want to mirror the boot sector
and have a failover so that you are assurred of being able to boot.

Once the Operating System is up and running it would detect if one of the boot
sectors had failed (or one of the drives) and fix it while the user continued
to use the Operating System, without any user invervention.


On the other issue of "complexity" mentioned in this thread:

1. If someone does _not_ have two identical drives (or partitions when we 
allow that) then they won't be able to mirror and the question will not be
asked, thus there is NO issue of "complexity".

2. If someone _does_ have two identical drives (or partitions when we allow
that) then they probably _do_ want to mirror the drives and made the effort 
to set things up that way specifically for that purpose. If by chance they
do NOT want to mirror thier drives then they would just choose ONE drive.

What is "complicated" (for some of us) us trying to do it manually, see the
Bug Report quoted previously.

Rob
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