1CEPH RADOS MUTEX(7)      CTDB - clustered TDB database     CEPH RADOS MUTEX(7)
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NAME

6       ctdb_mutex_ceph_rados_helper - Ceph RADOS cluster mutex helper
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DESCRIPTION

9       ctdb_mutex_ceph_rados_helper can be used as a cluster lock provider for
10       CTDB. When configured, split brain avoidance during CTDB recovery will
11       be handled using locks against an object located in a Ceph RADOS pool.
12       To enable this functionality, include the following line in the
13       [cluster] section of ctdb.conf(5):
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15           cluster lock = !ctdb_mutex_ceph_rados_helper [Cluster] [User] [Pool] [Object]
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17           Cluster: Ceph cluster name (e.g. ceph)
18           User: Ceph cluster user name (e.g. client.admin)
19           Pool: Ceph RADOS pool name
20           Object: Ceph RADOS object name
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23       The Ceph cluster Cluster must be up and running, with a configuration,
24       and keyring file for User located in a librados default search path
25       (e.g. /etc/ceph/).  Pool must already exist.
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27       For informational purposes, ctdb_mutex_ceph_rados_helper will also
28       register the cluster lock holder in Ceph Manager's service map.
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SEE ALSO

31       ctdb(7), ctdbd(1), http://ctdb.samba.org/
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AUTHOR

34       This documentation was written by David Disseldorp
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37       Copyright © 2016 David Disseldorp
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39       This program is free software; you can redistribute it and/or modify it
40       under the terms of the GNU General Public License as published by the
41       Free Software Foundation; either version 3 of the License, or (at your
42       option) any later version.
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44       This program is distributed in the hope that it will be useful, but
45       WITHOUT ANY WARRANTY; without even the implied warranty of
46       MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
47       General Public License for more details.
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49       You should have received a copy of the GNU General Public License along
50       with this program; if not, see http://www.gnu.org/licenses.
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55ctdb                              01/26/2023               CEPH RADOS MUTEX(7)
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