.TH mmlscluster 02/16/06
mmlscluster Command
.SH "Name"
.PP
\fBmmlscluster\fR - Displays the current configuration information
for a GPFS cluster.
.SH "Synopsis"
.PP
\fBmmlscluster\fR
.SH "Description"
.PP
Use the \fBmmlscluster\fR command to display the current configuration
information for a GPFS cluster.
.PP
For the GPFS cluster, the \fBmmlscluster\fR command displays:
.RS +3
.HP 3
\(bu The cluster name
.HP 3
\(bu The cluster ID
.HP 3
\(bu GPFS UID domain
.HP 3
\(bu The remote shell command being used
.HP 3
\(bu The remote file copy command being used
.HP 3
\(bu The primary GPFS cluster configuration server
.HP 3
\(bu The secondary GPFS cluster configuration server
.HP 3
\(bu A list of nodes belonging the GPFS cluster
.RE
.PP
For each node, the command displays:
.RS +3
.HP 3
\(bu The node number assigned to the node by GPFS
.HP 3
\(bu GPFS daemon node interface name
.HP 3
\(bu Primary network IP address
.HP 3
\(bu GPFS administration node interface name
.HP 3
\(bu Remarks, such as whether the node is a quorum node or not
.RE
.SH "Parameters"
.PP
NONE
.SH "Options"
.PP
NONE
.SH "Exit status"
.PP
.PP
.RS +3
\fB0
\fR
.RE
.RS +9
Successful completion.
.RE
.PP
.RS +3
\fBnonzero
\fR
.RE
.RS +9
A failure has occurred.
.RE
.SH "Security"
.PP
You must have root authority to run the \fBmmlscluster\fR
command.
.PP
You may issue the \fBmmlscluster\fR command from any node in the GPFS
cluster.
.PP
When using the \fBrcp\fR and \fBrsh\fR commands for remote
communication, a properly configured \fB.rhosts\fR file must exist
in the root user's home directory on each node in the GPFS
cluster. If you have designated the use of a different remote
communication program on either the
\fBmmcrcluster\fR
or the
\fBmmchcluster\fR command, you must
ensure:
.RS +3
.HP 3
1. Proper authorization is granted to all nodes in the GPFS cluster.
.HP 3
2. The nodes in the GPFS cluster can communicate without the use of a
password, and without any extraneous messages.
.RE
.SH "Examples"
.PP
To display the current configuration information for the GPFS cluster,
issue this command:
.sp
.nf
mmlscluster\ 
.fi
.sp
.PP
The system displays information similar to:
.sp
.nf
GPFS cluster information
========================
  GPFS cluster name:         cluster1.kgn.ibm.com
  GPFS cluster id:           680681562214606028
  GPFS UID domain:           cluster1.kgn.ibm.com
  Remote shell command:      /usr/bin/rsh
  Remote file copy command:  /usr/bin/rcp
GPFS cluster configuration servers:
-----------------------------------
  Primary server:    k164sn06.kgn.ibm.com
  Secondary server:  k164n04.kgn.ibm.com
Node  Daemon node name    IP address    Admin node name    Designation
----------------------------------------------------------------------
 1   k164n04.kgn.ibm.com  89.116.68.68  k164n04.kgn.ibm.com  quorum
 2   k164n05.kgn.ibm.com  89.116.68.69  k164n05.kgn.ibm.com  quorum
 3   k164n06.kgn.ibm.com  89.116.68.70  k164sn06.kgn.ibm.com quorum-manager
.fi
.sp
.SH "See also"
.PP
mmaddnode Command
.PP
mmchcluster Command
.PP
mmcrcluster Command
.PP
mmdelnode Command
.SH "Location"
.PP
\fB/usr/lpp/mmfs/bin\fR
.PP