Naming ZFS Components

Each ZFS component, such as datasets and pools, must be named according to the following rules:

• Each component can contain only alphanumeric characters in addition to the following special characters:

  • Underscore (_)

  • Hyphen (-)

  • Colon (:)

  • Period (.)

  • Blank (" ")

    Note:

    Tabs and other white spaces are not valid.

• Pool names must begin with a letter and can contain only alphanumeric characters as well as underscore (_), dash (-), and period (.). Note the following pool name restrictions:

  • The beginning sequence c [0-9] is not allowed.

  • The name log is reserved.

  • A name that begins with mirror, raidz, raidz1, raidz2, raidz3, or spare is not allowed because these names are reserved.

  • Pool names must not contain a percent sign (%).

• Dataset names must begin with an alphanumeric character.

• Dataset names must not contain a percent sign (%).

• Empty components are not allowed.