ZFS snapshot of root filesystem?

Scott Ballantyne boyvalue at gmail.com
Thu Mar 10 18:11:18 UTC 2011


Having a ZFS filesystem on root, such that zfs list shows:

zroot  with a mountpoint of LEGACY
zroot/tmp with a mountpoint of /tmp
zroot/usr with a mountpoint of /usr


How do I create a snapshot of / ?

zfs snapshot zroot/usr at March_10_2011

works fine.. but that snapshots only /usr, not the upper level / right?

Thanks a lot.

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