freebsd with flexible iflib nic queues
305bc4b370
Document the existence of `createtxg` and `guid` native properties
in man pages and zfs command output.
One of the great features of ZFS is incremental replication of
snapshots, possibly between pools on different machines.
Shell scripts are commonly used to auomate this procedure. They have to
find the most recent common snapshot between both sides and then
perform incremental send & recv.
Currently, scripts rely on the sorting order of `zfs list`, which
defaults to `createtxg`, and the assumption that snapshot names on
either side do not change.
By making `createtxg` and `guid` part of the public ZFS interface,
scripts are enabled to use
a) `createtxg` to determine the logical & temporal order of snapshots
(the creation property is not an equivalent substitute since
multiple snapshots may be created within one second)
b) `guid` to uniquely identify a snapshot, independent of its current
display name
This has the potential of making scripts safer and correct.
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: DHE <git@dehacked.net>
Reviewed-by: Richard Laager <rlaager@wiktel.com>
Signed-off-by: Christian Schwarz <me@cschwarz.com>
Closes #6102
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| COPYRIGHT | ||
| DISCLAIMER | ||
| Makefile.am | ||
| META | ||
| OPENSOLARIS.LICENSE | ||
| README.markdown | ||
| TEST | ||
| zfs-script-config.sh.in | ||
| zfs.release.in | ||
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