How to Make a BE Bootable

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If a dataset is evicted, the BE with which it is associated becomes unbootable. This procedure shows how to restore the BE's bootable state.

Before You Begin

Ensure that your role has the appropriate rights profiles to perform this procedure. See Using Rights Profiles to Administer Boot Features.

Identify unbootable BE.

The ! flag indicates an unbootable BE. The N flag indicates the currently booted or active BE, and the R flag indicates the BE to be used at the next reboot. In most cases, the active BE is also the BE for rebooting.

$ beadm list
BE                Flags Mountpoint Space   Policy Created
--                ----- ---------- -----   ------ -------
BE1               !-    -          6.13M   static 2014-10-09 17:21
BE2               -     -          52.86M  static 2015-01-03 16:22
BE3               NR    /          313.1M  static 2015-02-04 17:36

Activate the unbootable BE.
```
$ beadm activate BE1
```

Verify the activation.

An activated BE automatically becomes the BE for the next reboot.

$ beadm list
BE                Flags Mountpoint Space   Policy         Created
--                ----- ---------- -----   ------         -------
BE1               R     -          6.13M   static         2014-10-09 17:21
BE2               -     -          52.86M  noevict       2015-01-03 16:22
BE3               N     /          313.1M  static         2015-02-04 17:36

(Optional) Reset the R flag to the previous BE.

$ beadm activate BE3
$ beadm list
BE                Flags Mountpoint Space   Policy         Created
--                ----- ---------- -----   ------         -------
BE1               -     -          6.13M   static         2014-10-09 17:21
BE2               -     -          52.86M  noevict        2015-01-03 16:22
BE3               NR    /          313.1M  static         2015-02-04 17:36