I've been wrestling with implementing some ZFS mounts for /var and
/usr into a jumpstart setup. I know that jumpstart does "know" anything
about zfs as in your can't define ZFS volumes or pools in the profile.
I've gone ahead and let the JS do a base install into a single ufs slice
and then attempted to create the zpool and zfs volumes in the finish
script and ufsdump|ufsrestore the data from the /usr and /var partitions
into the new zfs volumes. Problem is there doesn't seem to be a way to
ensure that the zpool is imported into the freshly built system on the
first reboot.
I see in the archives here from a few weeks ago someone was asking
a similar question and it was suggested that as part of the finish
script the "/etc/zfs/zpool.cache" could be copied to
"/etc/zfs/zpool.cache" but it has been my experience through some
serious testing that when creating and managing zfs pools and volumes in
the jumpstart scripts that no zpool.cache file is created. Even
including "find / -name zpool.cache" in the finish script returns no
hits on that file name. Now, I'm aware that the zpool.cache file isn't
intended to really be used for administrative tasks as it's format and
existence aren't even well documented or solidified as part of the
management framework for zfs moving forward; I would however REALLY like
to know why in every other situation when managing zfs pools/vols that
this file is created, but in this one situation it isn't. I would be
equally curious to know if it is possible to maybe force the creation of
this file or as a last option, at least make zpool statically linked in
the default solaris distribution so that I may put a method and
toolchain neccessary for import pools in the early part of the SMF boot
sequence.
Thanks in Advance for any insight as to how to work this out.
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