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.TH "GFDF" "1" "30 December 2010" "Gfarm" ""

.SH NAME
gfdf \- display disk free space of Gfarm file system
.SH SYNOPSIS

\fBgfdf\fR [ \fB\fIoptions\fB\fR ]

.SH "DESCRIPTION"
.PP
\fBgfdf\fR displays disk usage and free space of
Gfarm file system.
.SH "OPTIONS"
.TP
\fB-a\fR
Displays only summary information of the Gfarm file system.
.TP
\fB-h\fR
Displays numbers in human readable format by adding a prefix multiplier
symbol like "M" (mega).  Since this option uses powers of 1024,
"M" means 1,048,576.
.TP
\fB-H\fR
Displays numbers in human readable format by adding a prefix multiplier
symbol like "M" (mega).  Since this option uses powers of 1000,
"M" means 1,000,000.
.TP
\fB-n\fR
Displays hostnames of available Gfarm file system nodes.
.TP
\fB-r\fR
Sort output in the reverse order.
.TP
\fB-S\fR
Sort output in the increasing order of the available disk capacity.
.TP
\fB-P \fIpath\fB\fR
Specifies a path name to specify a metadata server instead of the root
metadata server.  Note that this option is not effective with the -a
option.
.TP
\fB-D \fIdomainname\fB\fR
Specifies a domain name of filesystem nodes to list the status
of disk free space. 
.TP
\fB-?\fR
Displays a list of command options.
.SH "SEE ALSO"
.PP
\fBgfhost\fR(1),
\fBgfarm2.conf\fR(5)