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doc: improve ceph-mon usage, fix ceph tell examples

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The ceph-mon command usage is updated to document all of the ceph-mon
specific options.

The ceph tell usage examples for log and debug are using a deprecated syntax.

Signed-off-by: Loic Dachary <loic@dachary.org>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
This commit is contained in:
Loic Dachary 2013-11-15 22:43:24 +01:00 committed by Josh Durgin
parent 5254cbd3f6
commit 00ee9a5289
3 changed files with 16 additions and 4 deletions
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2
doc/dev/mon-bootstrap.rst
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@ -63,7 +63,7 @@ The monitor address can be provided in several ways.
#. via the ``--public-addr <ip[:port]>`` command-line option (or config file option)
#. via the ``--public-network <cidr>`` command-line option (or config file option)
#. via the monmap provided via ``--monmap <path>``, if it includes a monitor with our name
#. via the bootstrap monmap (provided via ``--monmap <path>`` or generated from ``--mon-host <list>``) if it includes a monitor with no name (``noname-<something>``) and an address configured on the local host.
#. via the bootstrap monmap (provided via ``--inject-monmap <path>`` or generated from ``--mon-host <list>``) if it includes a monitor with no name (``noname-<something>``) and an address configured on the local host.
Peers
=====

4
doc/rados/troubleshooting/log-and-debug.rst
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@ -40,14 +40,14 @@ in to a host with a running daemon and execute the following::
To activate Ceph's debugging output (*i.e.*, ``dout()``) at runtime, use the
``ceph tell`` command to inject arguments into the runtime configuration::
ceph {daemon-type} tell {daemon id or *} injectargs '--{name} {value} [--{name} {value}]'
ceph tell {daemon-type}.{daemon id or *} injectargs '--{name} {value} [--{name} {value}]'
Replace ``{daemon-type}`` with one of ``osd``, ``mon`` or ``mds``. You may apply
the runtime setting to all daemons of a particular type with ``*``, or specify
a specific daemon's ID (i.e., its number or letter). For example, to increase
debug logging for a ``ceph-osd`` daemon named ``osd.0``, execute the following::
ceph osd tell 0 injectargs '--debug_osd 0/5'
ceph tell osd.0 injectargs '--debug-osd 0/5'
The ``ceph tell`` command goes through the monitors. If you cannot bind to the
monitor, you can still make the change by logging into the host of the daemon

14
src/ceph_mon.cc
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@ -103,13 +103,25 @@ int obtain_monmap(MonitorDBStore &store, bufferlist &bl)
void usage()
{
cerr << "usage: ceph-mon -i monid [--mon-data=pathtodata] [flags]" << std::endl;
cerr << "usage: ceph-mon -i monid [flags]" << std::endl;
cerr << " --debug_mon n\n";
cerr << " debug monitor level (e.g. 10)\n";
cerr << " --mkfs\n";
cerr << " build fresh monitor fs\n";
cerr << " --force-sync\n";
cerr << " force a sync from another mon by wiping local data (BE CAREFUL)\n";
cerr << " --yes-i-really-mean-it\n";
cerr << " mandatory safeguard for --force-sync\n";
cerr << " --compact\n";
cerr << " compact the monitor store\n";
cerr << " --osdmap <filename>\n";
cerr << " only used when --mkfs is provided: load the osdmap from <filename>\n";
cerr << " --inject-monmap <filename>\n";
cerr << " write the <filename> monmap to the local monitor store and exit\n";
cerr << " --extract-monmap <filename>\n";
cerr << " extract the monmap from the local monitor store and exit\n";
cerr << " --mon-data <directory>\n";
cerr << " where the mon store and keyring are located\n";
generic_server_usage();
}