| [16] | 1 | .TH mmlsmgr 02/16/06 |
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| 2 | mmlsmgr Command |
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| 3 | .SH "Name" |
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| 4 | .PP |
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| 5 | \fBmmlsmgr\fR - Displays which node is the file system manager for |
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| 6 | the specified file systems. |
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| 7 | .SH "Synopsis" |
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| 8 | .PP |
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| 9 | \fBmmlsmgr\fR [\fIDevice\fR |
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| 10 | [\fIDevice\fR...]] |
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| 11 | .SH "Description" |
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| 12 | .PP |
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| 13 | Use the \fBmmlsmgr\fR command to display which node is the file system |
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| 14 | manager for the file system. |
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| 15 | .PP |
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| 16 | If you do not provide a \fIDevice\fR operand, file system managers for |
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| 17 | all file systems within the current cluster for which a file system manager |
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| 18 | has been appointed are displayed. |
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| 19 | .SH "Parameters" |
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| 20 | .PP |
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| 21 | .RS +3 |
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| 22 | \fB\fIDevice\fR |
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| 23 | \fR |
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| 24 | .RE |
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| 25 | .RS +9 |
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| 26 | The device names of the file systems for which the file system manager |
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| 27 | information is displayed. |
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| 28 | .PP |
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| 29 | If more than one file system is listed, the names must be delimited by a |
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| 30 | space. File system names need not be fully-qualified. |
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| 31 | \fBfs0\fR is just as acceptable as \fB/dev/fs0\fR. |
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| 32 | .PP |
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| 33 | If no file system is specified, information about all file systems is |
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| 34 | displayed. |
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| 35 | .RE |
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| 36 | .SH "Options" |
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| 37 | .PP |
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| 38 | NONE |
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| 39 | .SH "Exit status" |
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| 40 | .PP |
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| 41 | .PP |
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| 42 | .RS +3 |
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| 43 | \fB0 |
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| 44 | \fR |
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| 45 | .RE |
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| 46 | .RS +9 |
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| 47 | Successful completion. |
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| 48 | .RE |
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| 49 | .PP |
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| 50 | .RS +3 |
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| 51 | \fBnonzero |
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| 52 | \fR |
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| 53 | .RE |
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| 54 | .RS +9 |
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| 55 | A failure has occurred. |
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| 56 | .RE |
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| 57 | .SH "Security" |
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| 58 | .PP |
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| 59 | If you are a root user: |
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| 60 | .RS +3 |
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| 61 | .HP 3 |
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| 62 | 1. You may issue the \fBmmlsmgr\fR command from any node in the GPFS |
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| 63 | cluster. |
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| 64 | .HP 3 |
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| 65 | 2. |
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| 66 | When using the \fBrcp\fR and \fBrsh\fR commands for remote |
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| 67 | communication, a properly configured \fB.rhosts\fR file must exist |
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| 68 | in the root user's home directory on each node in the GPFS |
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| 69 | cluster. If you have designated the use of a different remote |
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| 70 | communication program on either the |
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| 71 | \fBmmcrcluster\fR |
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| 72 | or the |
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| 73 | \fBmmchcluster\fR command, you must |
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| 74 | ensure: |
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| 75 | .RS +3 |
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| 76 | .HP 3 |
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| 77 | a. Proper authorization is granted to all nodes in the GPFS cluster. |
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| 78 | .HP 3 |
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| 79 | b. The nodes in the GPFS cluster can communicate without the use of a |
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| 80 | password, and without any extraneous messages. |
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| 81 | .RE |
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| 82 | .HP 3 |
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| 83 | 3. As root, a user can also issue the \fBmmlsmgr\fR on remote file |
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| 84 | systems. |
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| 85 | .RE |
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| 86 | .PP |
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| 87 | If you are a non-root user, you may specify only file systems that belong |
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| 88 | to the same cluster as the node on which the \fBmmlsmgr\fR command was |
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| 89 | issued. |
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| 90 | .SH "Examples" |
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| 91 | .RS +3 |
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| 92 | .HP 3 |
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| 93 | 1. To display the file system manager node information for all the file |
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| 94 | systems, issue this command: |
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| 95 | .sp |
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| 96 | .nf |
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| 97 | mmlsmgr\ |
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| 98 | .fi |
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| 99 | .sp |
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| 100 | The system displays information similar to: |
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| 101 | .sp |
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| 102 | .nf |
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| 103 | file system manager node [from 199.114.68.69 (k156gn02)] |
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| 104 | ---------------- ------------------ |
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| 105 | fs1 199.114.68.70 (k154gn01)\ |
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| 106 | fs2 199.114.68.71 (k154gn02)\ |
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| 107 | fs3 199.114.68.72 (kolt2g_r1b42) |
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| 108 | .fi |
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| 109 | .sp |
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| 110 | .sp |
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| 111 | The output shows the device name of the file system and the file system |
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| 112 | manager's node number and name, in parenthesis, as they are recorded in |
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| 113 | the GPFS cluster data. |
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| 114 | .HP 3 |
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| 115 | 2. To display the file system manager information for file systems |
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| 116 | \fBgpfs2\fR and \fBgpfs3\fR, issue this command: |
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| 117 | .sp |
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| 118 | .nf |
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| 119 | mmlsmgr gpfs2 gpfs3 |
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| 120 | .fi |
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| 121 | .sp |
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| 122 | The system displays information similar to: |
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| 123 | .sp |
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| 124 | .nf |
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| 125 | file system manager node [from 199.114.68.69 (k156gn02)] |
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| 126 | ---------------- ------------------ |
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| 127 | gpfs2 199.114.68.70 (k154gn02)\ |
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| 128 | gpfs3 199.114.68.72 (kolt2g_r1b42) |
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| 129 | .fi |
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| 130 | .sp |
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| 131 | .RE |
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| 132 | .SH "See also" |
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| 133 | .PP |
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| 134 | mmchmgr Command |
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| 135 | .SH "Location" |
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| 136 | .PP |
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| 137 | \fB/usr/lpp/mmfs/bin\fR |
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| 138 | .PP |
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