BSDStore
management and repository for FreeBSD jails

jail snapshot (zfs-only)


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Commands:
 

% cbsd jsnapshot
Description:

Show the list, create, delete and rollback snapshots for a jail when node startend on ZFS filesystem and zfsfeat in file $workdir/nc.inventory set to 1. through mode parameter you can you specify that it is necessary to make. Possible options:

list - show snapshot liss for current jail
create - create snapshot for jail
destroy - delete snapshot for jail
destroyall - remove all snapshots for jail
clone - clone snapshot into new jail
rollback - rollback jail to current snapshot state

Additional arguments:

jname - for what jail action is made
snapname - snapshot name
snapfs -

Example:

create snapshot named gromozeka for jail1 jail:
 

% cbsd jsnapshot mode=create jname=jail1 snapname=gromozeka
create snapshot named zelepuka for jail1 jail: 

% cbsd jsnapshot mode=create jname=jail1 snapname=zelepuka

Run jail1 and stop after some modification: 

% cbsd jstart jail1
..
% cbsd jexec jname=jail1 cp /bin/date /root
% cbsd jexec jname=jail1 file -s /root/date
/root/date: ELF 64-bit LSB executable, x86-64, version 1 (FreeBSD), dynamically linked (uses shared libs), for FreeBSD 9.0 (900506), stripped
% cbsd jstop jail1
..
Rollback jail1 to snapshot zelepuka state: 

% cbsd jsnapshot mode=rollback snapname=zelepuka jname=jail1
% cbsd jstart jail1
...
% cbsd jexec jname=jail1 file -s /root/date
/root/date: ERROR: cannot open `/root/date' (No such file or directory)