I have an interesting experience with the latest upgrade of FreeNAS 11.3-U2.1. Applications that were deployed in the jail were gone. After fiddling with iocage (the tool that FreeNAS provides to manage jails) I could restore a previous state where all seems fine and dandy.
Steps to restore
- list of snapshots
iocage snaplist tr -l +-------------------------------------------------------------------------+-----------------------+-------+-------+ | NAME | CREATED | RSIZE | USED | +=========================================================================+=======================+=======+=======+ | fux/iocage/jails/tr/root@ioc_plugin_update_2020-04-29 | Wed Apr 29 14:55 2020 | 799G | 11.6K | +-------------------------------------------------------------------------+-----------------------+-------+-------+ | fux/iocage/jails/tr/root@ioc_update_11.3-RELEASE-p8_2020-04-29_14-55-07 | Wed Apr 29 14:55 2020 | 799G | 575K | +-------------------------------------------------------------------------+-----------------------+-------+-------+ | fux/iocage/jails/tr/root@ioc_update_11.3-RELEASE-p8_2020-04-29_14-55-22 | Wed Apr 29 14:55 2020 | 799G | 11.6K | +-------------------------------------------------------------------------+-----------------------+-------+-------+ | fux/iocage/jails/tr@ioc_plugin_update_2020-04-29 | Wed Apr 29 14:55 2020 | 517K | 81.4K | +-------------------------------------------------------------------------+-----------------------+-------+-------+ | fux/iocage/jails/tr@ioc_update_11.3-RELEASE-p8_2020-04-29_14-55-07 | Wed Apr 29 14:55 2020 | 517K | 81.4K | +-------------------------------------------------------------------------+-----------------------+-------+-------+ | fux/iocage/jails/tr@ioc_update_11.3-RELEASE-p8_2020-04-29_14-55-22 | Wed Apr 29 14:55 2020 | 517K | 81.4K | +-------------------------------------------------------------------------+-----------------------+-------+-------+ - stop the jail
root@freenas[~]# iocage stop tr * Stopping tr + Executing prestop OK + Stopping services OK + Tearing down VNET OK + Removing devfs_ruleset: 5 OK + Removing jail process OK + Executing poststop OK - rollback
root@freenas[~]# iocage rollback tr -n ioc_update_11.3-RELEASE-p8_2020-04-29_14-55-07 This will destroy ALL data created including ALL snapshots taken after the snapshot ioc_update_11.3-RELEASE-p8_2020-04-29_14-55-07 Are you sure? [y/N]: y Rolled back to: fux/iocage/jails/tr - start the jail
root@freenas[~]# iocage start tr No default gateway found for ipv6. * Starting tr + Started OK + Using devfs_ruleset: 5 + Configuring VNET OK + Using IP options: vnet + Starting services OK + Executing poststart OK + DHCP Address: 192.168.1.111/24 And we are back.
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