Difference between revisions of "Multiple Boot Environments"
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| − | Beginning with version 9.1, PC-BSD supports multiple boot environments ''' ''on systems that were formatted with ZFS during installation.'' ''' In 9.1, this feature is configured from the command line. Version 9.2 will provide a graphical interface for | + | Beginning with version 9.1, PC-BSD supports multiple boot environments ''' ''on systems that were formatted with ZFS during installation.'' ''' In 9.1, this feature is configured from the command line. Version 9.2 will provide a graphical interface for managing boot environments (BEs). |
| − | Multiple boot environments is a feature originally created by Solaris. It allows you to create a | + | Multiple boot environments is a feature originally created by Solaris. It allows you to create a BE, which is a bootable snapshot of the ZFS filesystem. By booting into a snapshot, you return to that point in time in the filesystem. For example, you could create a BE before upgrading, allowing you to boot either into the newly upgraded system or into the snapshot of the system before it was upgraded. Alternately, you could create a snapshot before installing and configuring some software that you wish to test. Once your test is finished, you could boot into what the system looked like before the test. |
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Revision as of 10:39, 9 July 2012
| Multiple Boot Environments |
Beginning with version 9.1, PC-BSD supports multiple boot environments on systems that were formatted with ZFS during installation. In 9.1, this feature is configured from the command line. Version 9.2 will provide a graphical interface for managing boot environments (BEs).
Multiple boot environments is a feature originally created by Solaris. It allows you to create a BE, which is a bootable snapshot of the ZFS filesystem. By booting into a snapshot, you return to that point in time in the filesystem. For example, you could create a BE before upgrading, allowing you to boot either into the newly upgraded system or into the snapshot of the system before it was upgraded. Alternately, you could create a snapshot before installing and configuring some software that you wish to test. Once your test is finished, you could boot into what the system looked like before the test.
References
