<varlistentry><term>-d --debug=<parameter>DEBUGLEVEL</parameter></term>
<listitem>
<para>
- Change the debug level for the command. Default is ERR (0).
+ Change the debug level for the command. Default is NOTICE (2).
</para>
</listitem>
</varlistentry>
Specify that FILENAME is the name of the Unix domain
socket to use when connecting to the local CTDB
daemon. The default is
- <filename>/tmp/ctdb.socket</filename>.
+ <filename>/usr/local/var/run/ctdb/ctdbd.socket</filename>.
</para>
</listitem>
</varlistentry>
<refsect2>
<title>reloadnodes</title>
<para>
- This command is used when adding new nodes, or removing existing nodes from an existing cluster.
+ This command is used when adding new nodes, or removing
+ existing nodes from an existing cluster.
</para>
<para>
- Procedure to add a node:
- </para>
- <para>
- 1, To expand an existing cluster, first ensure with 'ctdb status' that
- all nodes are up and running and that they are all healthy.
- Do not try to expand a cluster unless it is completely healthy!
- </para>
- <para>
- 2, On all nodes, edit /etc/ctdb/nodes and add the new node as the last
- entry to the file. The new node MUST be added to the end of this file!
- </para>
- <para>
- 3, Verify that all the nodes have identical /etc/ctdb/nodes files after you edited them and added the new node!
- </para>
- <para>
- 4, Run 'ctdb reloadnodes' to force all nodes to reload the nodesfile.
- </para>
- <para>
- 5, Use 'ctdb status' on all nodes and verify that they now show the additional node.
- </para>
- <para>
- 6, Install and configure the new node and bring it online.
- </para>
- <para>
- Procedure to remove a node:
- </para>
- <para>
- 1, To remove a node from an existing cluster, first ensure with 'ctdb status' that
- all nodes, except the node to be deleted, are up and running and that they are all healthy.
- Do not try to remove a node from a cluster unless the cluster is completely healthy!
- </para>
- <para>
- 2, Shutdown and poweroff the node to be removed.
- </para>
- <para>
- 3, On all other nodes, edit the /etc/ctdb/nodes file and comment out the node to be removed. Do not delete the line for that node, just comment it out by adding a '#' at the beginning of the line.
- </para>
- <para>
- 4, Run 'ctdb reloadnodes' to force all nodes to reload the nodesfile.
- </para>
- <para>
- 5, Use 'ctdb status' on all nodes and verify that the deleted node no longer shows up in the list..
+ Procedure to add nodes:
</para>
+ <orderedlist>
+ <listitem>
+ <para>
+ To expand an existing cluster, first ensure with
+ <command>ctdb status</command> that all nodes are up and
+ running and that they are all healthy. Do not try to
+ expand a cluster unless it is completely healthy!
+ </para>
+ </listitem>
+ <listitem>
+ <para>
+ On all nodes, edit <filename>/usr/local/etc/ctdb/nodes</filename>
+ and <emphasis>add the new nodes at the end of this
+ file</emphasis>.
+ </para>
+ </listitem>
+ <listitem>
+ <para>
+ Verify that all the nodes have identical
+ <filename>/usr/local/etc/ctdb/nodes</filename> files after adding
+ the new nodes.
+ </para>
+ </listitem>
+ <listitem>
+ <para>
+ Run <command>ctdb reloadnodes</command> to force all nodes
+ to reload the nodes file.
+ </para>
+ </listitem>
+ <listitem>
+ <para>
+ Use <command>ctdb status</command> on all nodes and verify
+ that they now show the additional nodes.
+ </para>
+ </listitem>
+ <listitem>
+ <para>
+ Install and configure the new node and bring it online.
+ </para>
+ </listitem>
+ </orderedlist>
<para>
+ Procedure to remove nodes:
</para>
+ <orderedlist>
+ <listitem>
+ <para>
+ To remove nodes from an existing cluster, first ensure
+ with <command>ctdb status</command> that all nodes, except
+ the node to be deleted, are up and running and that they
+ are all healthy. Do not try to remove nodes from a
+ cluster unless the cluster is completely healthy!
+ </para>
+ </listitem>
+ <listitem>
+ <para>
+ Shutdown and power off the node to be removed.
+ </para>
+ </listitem>
+ <listitem>
+ <para>
+ On all other nodes, edit the
+ <filename>/usr/local/etc/ctdb/nodes</filename> file and
+ <emphasis>comment out</emphasis> the nodes to be removed.
+ <emphasis>Do not delete the lines for the deleted
+ nodes</emphasis>, just comment them out by adding a '#' at
+ the beginning of the lines.
+ </para>
+ </listitem>
+ <listitem>
+ <para>
+ Run <command>ctdb reloadnodes</command> to force all nodes
+ to reload the nodes file.
+ </para>
+ </listitem>
+ <listitem>
+ <para>
+ Use <command>ctdb status</command> on all nodes and verify
+ that the deleted nodes are no longer listed.
+ </para>
+ </listitem>
+ </orderedlist>
</refsect2>
<screen>
# ctdb getdbmap
Number of databases:10
-dbid:0x435d3410 name:notify.tdb path:/var/ctdb/notify.tdb.0
-dbid:0x42fe72c5 name:locking.tdb path:/var/ctdb/locking.tdb.0
-dbid:0x1421fb78 name:brlock.tdb path:/var/ctdb/brlock.tdb.0
-dbid:0x17055d90 name:connections.tdb path:/var/ctdb/connections.tdb.0
-dbid:0xc0bdde6a name:sessionid.tdb path:/var/ctdb/sessionid.tdb.0
-dbid:0x122224da name:test.tdb path:/var/ctdb/test.tdb.0
-dbid:0x2672a57f name:idmap2.tdb path:/var/ctdb/persistent/idmap2.tdb.0 PERSISTENT
-dbid:0xb775fff6 name:secrets.tdb path:/var/ctdb/persistent/secrets.tdb.0 PERSISTENT
-dbid:0xe98e08b6 name:group_mapping.tdb path:/var/ctdb/persistent/group_mapping.tdb.0 PERSISTENT
-dbid:0x7bbbd26c name:passdb.tdb path:/var/ctdb/persistent/passdb.tdb.0 PERSISTENT
+dbid:0x435d3410 name:notify.tdb path:/usr/local/var/lib/ctdb/notify.tdb.0
+dbid:0x42fe72c5 name:locking.tdb path:/usr/local/var/lib/ctdb/locking.tdb.0
+dbid:0x1421fb78 name:brlock.tdb path:/usr/local/var/lib/ctdb/brlock.tdb.0
+dbid:0x17055d90 name:connections.tdb path:/usr/local/var/lib/ctdb/connections.tdb.0
+dbid:0xc0bdde6a name:sessionid.tdb path:/usr/local/var/lib/ctdb/sessionid.tdb.0
+dbid:0x122224da name:test.tdb path:/usr/local/var/lib/ctdb/test.tdb.0
+dbid:0x2672a57f name:idmap2.tdb path:/usr/local/var/lib/ctdb/persistent/idmap2.tdb.0 PERSISTENT
+dbid:0xb775fff6 name:secrets.tdb path:/usr/local/var/lib/ctdb/persistent/secrets.tdb.0 PERSISTENT
+dbid:0xe98e08b6 name:group_mapping.tdb path:/usr/local/var/lib/ctdb/persistent/group_mapping.tdb.0 PERSISTENT
+dbid:0x7bbbd26c name:passdb.tdb path:/usr/local/var/lib/ctdb/persistent/passdb.tdb.0 PERSISTENT
# ctdb getdbmap # example for unhealthy database
Number of databases:1
-dbid:0xb775fff6 name:secrets.tdb path:/var/ctdb/persistent/secrets.tdb.0 PERSISTENT UNHEALTHY
+dbid:0xb775fff6 name:secrets.tdb path:/usr/local/var/lib/ctdb/persistent/secrets.tdb.0 PERSISTENT UNHEALTHY
# ctdb -X getdbmap
|ID|Name|Path|Persistent|Unhealthy|
-|0x7bbbd26c|passdb.tdb|/var/ctdb/persistent/passdb.tdb.0|1|0|
+|0x7bbbd26c|passdb.tdb|/usr/local/var/lib/ctdb/persistent/passdb.tdb.0|1|0|
</screen>
</refsect3>
</refsect2>
# ctdb getdbstatus test.tdb.0
dbid: 0x122224da
name: test.tdb
-path: /var/ctdb/test.tdb.0
+path: /usr/local/var/lib/ctdb/test.tdb.0
PERSISTENT: no
HEALTH: OK
# ctdb getdbstatus registry.tdb # with a corrupted TDB
dbid: 0xf2a58948
name: registry.tdb
-path: /var/ctdb/persistent/registry.tdb.0
+path: /usr/local/var/lib/ctdb/persistent/registry.tdb.0
PERSISTENT: yes
-HEALTH: NO-HEALTHY-NODES - ERROR - Backup of corrupted TDB in '/var/ctdb/persistent/registry.tdb.0.corrupted.20091208091949.0Z'
+HEALTH: NO-HEALTHY-NODES - ERROR - Backup of corrupted TDB in '/usr/local/var/lib/ctdb/persistent/registry.tdb.0.corrupted.20091208091949.0Z'
</screen>
</refsect3>
</refsect2>
git.samba.org / obnox / samba / samba-obnox.git / blobdiff