output if a target is offline or unreachable, and only returns the
space on OSTs that can currently be accessed.
.TP
-.BR -p ", " --pool=\fR[\fIfsname\fR.]\fIpool
+.BR -p ", " --pool= [ \fIfsname\fR .] \fIpool\fR
Limit the usage to report only MDTs and OSTs that are in the specified
.IR pool .
If multiple filesystems are mounted, list OSTs in