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author | Greg Farnum <gregory.farnum@dreamhost.com> | 2011-01-20 14:07:34 -0800 |
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committer | Greg Farnum <gregory.farnum@dreamhost.com> | 2011-01-24 10:57:51 -0800 |
commit | 69447f79a90bcc46ade0b323570d5770535dad67 (patch) | |
tree | 243e792412907ebc072dd3cb44d92f07eefffe0a /man | |
parent | 76fbdf1728ec176558d097cde946657de4d85c6b (diff) | |
download | ceph-69447f79a90bcc46ade0b323570d5770535dad67.tar.gz |
man: Update cmds manual.
Signed-off-by: Greg Farnum <gregory.farnum@dreamhost.com>
Diffstat (limited to 'man')
-rw-r--r-- | man/cmds.8 | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/man/cmds.8 b/man/cmds.8 index e4ec2e87247..5570522655b 100644 --- a/man/cmds.8 +++ b/man/cmds.8 @@ -4,8 +4,8 @@ cmds \- ceph metadata server daemon .SH SYNOPSIS .B cmds \fB\-i \fIname\fR -[ \fB\-\-rank\fI rank\fR ] -[ \fB\-\-shadow\fI rank\fR ] +[[ \fB\-\-hot-standby\fI [rank]\fR ]|[\fB\-\-journal_check\fI [rank]\fR]] + .SH DESCRIPTION .B cmds is the metadata server daemon for the Ceph distributed file system. @@ -19,18 +19,15 @@ to identify daemon instances in the \fIceph.conf\fP. .PP Once the daemon has started, the monitor cluster will normally assign it a logical rank, or put it in a standby pool to take over for another daemon -that crashes. If a specific rank may be optionally specified on the -command line, the daemon will be assigned that rank, or will be put in a -separate standby queue specifically for that rank. +that crashes. Some of the specified options can cause other behaviors. +.PP +If you specify hot-standby or journal-check, you must either specify the rank +on the command line, or specify one of the mds_standby_for_[rank|name] +parameters in the config. The command line specification overrides the config, +and specifying the rank overrides specifying the name. + .SH OPTIONS .TP -\fB\-\-mds\fI rank\fP -Start up as (or standby for) the given MDS rank. If not specified, a rank will -be assigned by the monitor cluster. -\fB\-\-shadow\fI rank\fP -Shadow a the given MDS rank. The given MDS log will be replayed, checking for -recovery errors. -.TP \fB\-D\fP Debug mode: do not daemonize after startup (run in foreground) and send log output to stdout. |