LU-3527 nodemap: idmap management functions

[fs/lustre-release.git] / lustre / doc / lctl.8

diff --git a/lustre/doc/lctl.8 b/lustre/doc/lctl.8
index 288a685..b50a1f6 100644 (file)
--- a/lustre/doc/lctl.8
+++ b/lustre/doc/lctl.8
@@ -190,12 +190,19 @@ When -N specified, add '/', '@' or '=' for directories, symlinks and writeable f
 .br
 lctl "get_param -NF" is equivalent to "list_param -F".
 .TP
-.BI set_param " [-n] <parameter=value ...>"
+.BI set_param " [-n] [-P] [-d] <parameter=value ...>"
 Set the value of Lustre or LNET parameter.
 .br
 .B -n
 Disable printing of the key name when printing values.
 .br
+.B -P
+Set the parameter permanently, filesystem-wide.
+This parameters are only visible to 2.5.0 and later clients, older clients will not see these parameters.
+.br
+.B -d
+Remove the permanent setting (only with -P option)
+.br
 .B Examples:
 .br
 .B
@@ -211,6 +218,10 @@ Disable printing of the key name when printing values.
   0
 .br
   20
+.br
+.B
+# lctl set_param -P osc.*.max_dirty_mb=32
+.br
 .TP
 .BI conf_param " [-d] <device|fsname>.<parameter>=<value>"
 Set a permanent configuration parameter for any device via the MGS.  This
@@ -284,6 +295,54 @@ Unregister an existing changelog user.  If the user's "clear" record number
 is the minimum for the device, changelog records will be purged until the
 next minimum.  
 .PP
+.SS LFSCK
+An on-line Lustre consistency check and repair tool.
+.TP
+.B lfsck_start \fR<-M | --device MDT_device>
+     \fR[-e | --error <error_handle>]
+     \fR[-h | --help]
+     \fR[-n | --dryrun <switch>]
+     \fR[-r | --reset]
+     \fR[-s | --speed <speed_limit>]
+     \fR[-t | --type <lfsck_type[,lfsck_type...]>]
+.br
+Start LFSCK on the specified MDT device with specified parameters.
+.TP
+  -M, --device <MDT_device>
+The MDT device to check.
+.TP
+  -e, --error <error_handle>
+With error_handle as 'abort' LFSCK will stop if a repair is impossible. If no
+value is specified, the saved value will be used if resuming from a checkpoint.
+Otherwise the default behavior is to 'continue' if a rapair is impossible.
+.TP
+  -h, --help
+Show this help.
+.TP
+  -n, --dryrun <on|off>
+Perform a trial run with no changes made.
+.TP
+  -r, --reset
+Set the current position of LFSCK progress to the beginning of the specified
+MDT.
+.TP
+  -s, --speed <speed_limit>
+Set the upper limit of LFSCK processing in objects per second. If no value is
+specified the saved value is used (if resuming from a check point). Otherwise
+the default value of 0 is used. 0 means run as fast as possible.
+.TP
+  -t, --type <lfsck_type[,lfsck_type...]>
+Specify the type of LFSCK to execute. By default, OI Scrub is executed.
+Alternative types include FID-in-dirent and linkEA (namespace).
+.TP
+.B lfsck_stop  \fR<-M | --device MDT_device> [-h | --help]
+Stop LFSCK on the specified MDT device.
+.TP
+  -M, --device <MDT_device>
+The MDT device.
+.TP
+  -h, --help
+Show this help.
 .SS Debug
 .TP 
 .BI debug_daemon