Each ZFS component must be named according to the following rules:
Empty components are not allowed.
Each component can only contain alphanumeric characters in addition to the following four special characters:
Underscore (_)
Hyphen (-)
Colon (:)
Period (.)
Pool names must begin with a letter, except that the beginning
sequence c[0-9] is not allowed. In addition, pool names that begin with mirror, raidz, or spare are
not allowed as these name are reserved.
Dataset names must begin with an alphanumeric character.