| 101 | * edit /etc/rc.local for DRBL Server as Hadoop namenode |
| 102 | {{{ |
| 103 | #!diff |
| 104 | --- /etc/rc.local.org 2008-11-07 18:09:10.000000000 +0800 |
| 105 | +++ /etc/rc.local 2008-11-07 17:58:14.000000000 +0800 |
| 106 | @@ -11,4 +11,7 @@ |
| 107 | # |
| 108 | # By default this script does nothing. |
| 109 | |
| 110 | +echo 3 > /proc/sys/vm/drop_caches |
| 111 | +/home/jazz/hadoop-0.18.2/bin/hadoop namenode -format |
| 112 | +/home/jazz/hadoop-0.18.2/bin/hadoop-daemon.sh start namenode |
| 113 | exit 0 |
| 114 | }}} |
| 115 | * edit rc.local for DRBL client as datanode |
| 116 | {{{ |
| 117 | ~$ cat > rc.local << EOF |
| 118 | }}} |
| 119 | {{{ |
| 120 | #!/bin/sh -e |
| 121 | echo 3 > /proc/sys/vm/drop_caches |
| 122 | /home/jazz/hadoop-0.18.2/bin/hadoop-daemon.sh start datanode |
| 123 | exit 0 |
| 124 | EOF |
| 125 | }}} |
| 126 | {{{ |
| 127 | ~$ chmod a+x rc.local |
| 128 | ~$ sudo /opt/drbl/sbin/drbl-cp-host rc.local /etc/ |
| 129 | }}} |
| 130 | * shutdown DRBL clients |
| 131 | * reboot DRBL server |
| 132 | * use "Wake on LAN" for DRBL clients |
| 133 | * browse http://192.168.61.254:50070 for DFS status |