| [16] | 1 | .TH mmlscluster 02/16/06 |
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| 2 | mmlscluster Command |
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| 3 | .SH "Name" |
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| 4 | .PP |
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| 5 | \fBmmlscluster\fR - Displays the current configuration information |
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| 6 | for a GPFS cluster. |
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| 7 | .SH "Synopsis" |
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| 8 | .PP |
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| 9 | \fBmmlscluster\fR |
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| 10 | .SH "Description" |
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| 11 | .PP |
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| 12 | Use the \fBmmlscluster\fR command to display the current configuration |
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| 13 | information for a GPFS cluster. |
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| 14 | .PP |
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| 15 | For the GPFS cluster, the \fBmmlscluster\fR command displays: |
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| 16 | .RS +3 |
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| 17 | .HP 3 |
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| 18 | \(bu The cluster name |
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| 19 | .HP 3 |
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| 20 | \(bu The cluster ID |
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| 21 | .HP 3 |
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| 22 | \(bu GPFS UID domain |
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| 23 | .HP 3 |
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| 24 | \(bu The remote shell command being used |
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| 25 | .HP 3 |
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| 26 | \(bu The remote file copy command being used |
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| 27 | .HP 3 |
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| 28 | \(bu The primary GPFS cluster configuration server |
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| 29 | .HP 3 |
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| 30 | \(bu The secondary GPFS cluster configuration server |
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| 31 | .HP 3 |
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| 32 | \(bu A list of nodes belonging the GPFS cluster |
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| 33 | .RE |
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| 34 | .PP |
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| 35 | For each node, the command displays: |
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| 36 | .RS +3 |
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| 37 | .HP 3 |
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| 38 | \(bu The node number assigned to the node by GPFS |
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| 39 | .HP 3 |
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| 40 | \(bu GPFS daemon node interface name |
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| 41 | .HP 3 |
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| 42 | \(bu Primary network IP address |
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| 43 | .HP 3 |
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| 44 | \(bu GPFS administration node interface name |
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| 45 | .HP 3 |
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| 46 | \(bu Remarks, such as whether the node is a quorum node or not |
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| 47 | .RE |
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| 48 | .SH "Parameters" |
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| 49 | .PP |
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| 50 | NONE |
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| 51 | .SH "Options" |
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| 52 | .PP |
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| 53 | NONE |
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| 54 | .SH "Exit status" |
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| 55 | .PP |
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| 56 | .PP |
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| 57 | .RS +3 |
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| 58 | \fB0 |
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| 59 | \fR |
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| 60 | .RE |
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| 61 | .RS +9 |
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| 62 | Successful completion. |
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| 63 | .RE |
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| 64 | .PP |
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| 65 | .RS +3 |
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| 66 | \fBnonzero |
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| 67 | \fR |
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| 68 | .RE |
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| 69 | .RS +9 |
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| 70 | A failure has occurred. |
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| 71 | .RE |
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| 72 | .SH "Security" |
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| 73 | .PP |
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| 74 | You must have root authority to run the \fBmmlscluster\fR |
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| 75 | command. |
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| 76 | .PP |
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| 77 | You may issue the \fBmmlscluster\fR command from any node in the GPFS |
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| 78 | cluster. |
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| 79 | .PP |
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| 80 | When using the \fBrcp\fR and \fBrsh\fR commands for remote |
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| 81 | communication, a properly configured \fB.rhosts\fR file must exist |
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| 82 | in the root user's home directory on each node in the GPFS |
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| 83 | cluster. If you have designated the use of a different remote |
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| 84 | communication program on either the |
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| 85 | \fBmmcrcluster\fR |
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| 86 | or the |
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| 87 | \fBmmchcluster\fR command, you must |
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| 88 | ensure: |
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| 89 | .RS +3 |
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| 90 | .HP 3 |
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| 91 | 1. Proper authorization is granted to all nodes in the GPFS cluster. |
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| 92 | .HP 3 |
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| 93 | 2. The nodes in the GPFS cluster can communicate without the use of a |
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| 94 | password, and without any extraneous messages. |
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| 95 | .RE |
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| 96 | .SH "Examples" |
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| 97 | .PP |
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| 98 | To display the current configuration information for the GPFS cluster, |
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| 99 | issue this command: |
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| 100 | .sp |
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| 101 | .nf |
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| 102 | mmlscluster\ |
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| 103 | .fi |
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| 104 | .sp |
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| 105 | .PP |
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| 106 | The system displays information similar to: |
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| 107 | .sp |
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| 108 | .nf |
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| 109 | GPFS cluster information |
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| 110 | ======================== |
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| 111 | GPFS cluster name: cluster1.kgn.ibm.com |
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| 112 | GPFS cluster id: 680681562214606028 |
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| 113 | GPFS UID domain: cluster1.kgn.ibm.com |
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| 114 | Remote shell command: /usr/bin/rsh |
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| 115 | Remote file copy command: /usr/bin/rcp |
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| 116 | GPFS cluster configuration servers: |
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| 117 | ----------------------------------- |
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| 118 | Primary server: k164sn06.kgn.ibm.com |
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| 119 | Secondary server: k164n04.kgn.ibm.com |
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| 120 | Node Daemon node name IP address Admin node name Designation |
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| 121 | ---------------------------------------------------------------------- |
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| 122 | 1 k164n04.kgn.ibm.com 89.116.68.68 k164n04.kgn.ibm.com quorum |
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| 123 | 2 k164n05.kgn.ibm.com 89.116.68.69 k164n05.kgn.ibm.com quorum |
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| 124 | 3 k164n06.kgn.ibm.com 89.116.68.70 k164sn06.kgn.ibm.com quorum-manager |
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| 125 | .fi |
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| 126 | .sp |
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| 127 | .SH "See also" |
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| 128 | .PP |
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| 129 | mmaddnode Command |
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| 130 | .PP |
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| 131 | mmchcluster Command |
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| 132 | .PP |
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| 133 | mmcrcluster Command |
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| 134 | .PP |
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| 135 | mmdelnode Command |
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| 136 | .SH "Location" |
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| 137 | .PP |
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| 138 | \fB/usr/lpp/mmfs/bin\fR |
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| 139 | .PP |
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