[zfs-discuss] Playing around with zfs-on-root (zfs-dracut on opensuse 12.3)
stein.hak at gmail.com
Tue Sep 3 18:30:45 EDT 2013
I've been testing zfs on root file system for some time now and have some
questions regarding advance usage of zfs features.
1) Bootfs attribute
My zfs installations boots with root=ZFS=some_pool/some_fs zfs_force=1.
However, I read here
that if i don't specify any root= sctring, initramfs would look for
importable pool and then proceed with zfs dataset defined by bootfs
parameter. I tried that an got :
ZFS: attempting to detect root from imported zfs pools
ZFS: attempting to import additional pools
ZFS: no bootfs attribute found in importable found in importable ZFS pool
that repeated a lot and dropped me into dracut shell with no zpools
imported. when I ran zpool import -f my_pool, I could get bootfs attribute
of my zpool just fine.
What had I done wrong? Setting bootfs attribute is a very convinient way to
switch between snapshots and datasets
2) ZFS rollback
What is the best practice for rolling back snapshots of root file system?
When I try to do it on a live system it hangs and refuses to reboot. This
is understandable, but I really would like to here an alternative to such
Thanks in advance!
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