SUMMARY: Mount ZFS rootpool in 'boot net -s' mode

Thanks to:

Evan Gold
Tom Lieuallen
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Tom's notes:


accessing rootpool via single user network boot

You may have need to access a zfs pool by booting into single user off the
network. you can do the standard 'zfs import' to just look to see what pools
are available for import. One problem is that the / file system is read-only
when you boot off the net. So, you can do something like this:

mkdir /tmp/z

zfs import -R /tmp/z rootpool

Not all of the zfs file systems may mount. I had the problem where it mounted
/a1 and /private (zfs file systems), but failed to mount

rootpool/ROOT/solaris10_6 (/), which is what I really wanted. I had to unmount
the zfs file systems that were mounted, empty out /tmp/z (of the mount points
it created), then specifically mount the file systems I wanted.

zfs unmount /tmp/z/private

zfs unmount /tmp/z/a1

rmdir /tmp/z/a1 /tmp/z/private

zfs mount rootpool/ROOT/solaris10_6

zfs mount rootpool/ROOT/solaris10_6/var

(Yes, it did help, thanks.)

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And a friend sent this:


#zpool import -f rpool (or your pool name)

#zfs get mountpoint

in my case this shows:

# zfs get mountpoint

NAME PROPERTY VALUE SOURCE

rpool mountpoint /rpool default

rpool/ROOT mountpoint /rpool/ROOT default

rpool/ROOT/s10u6zfs mountpoint / local

rpool/dump mountpoint - -

rpool/swap mountpoint -

then

#zfs set mountpoint=legacy rpool/ROOT/s10u6zfs

then

#mount -F zfs rpool/ROOT/s10u6zfs /mnt

<do stuff>

#umount /mnt

#zpool export rpool

(Just another view of the same terrain, more or less...)
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