can be invoked in interactive mode by issuing lctl command. After that, commands are issued as below. The most common commands in lctl are
.B dl
,
+.B dk
+,
.B device
,
.B network
.BI abort_recovery
Abort the recovery process on a restarting MDT or OST device
.PP
+.SS Virtual Block Device Operation
+Lustre is able to emulate a virtual block device upon regular file. It is necessary to be used when you are trying to setup a swap space via file.
+.TP
+.BI blockdev_attach " <file name> <device node>"
+Attach the lustre regular file to a block device. If the device node is not existent, lctl will create it \- it is recommended to create it by lctl since the emulator uses a dynamical major number.
+.TP
+.BI blockdev_detach " <device node>"
+Detach the virtual block device.
+.TP
+.BI blockdev_info " <device node>"
+Acquire which lustre file was attached to the device node.
+.PP
+.SS Changelogs
+.TP
+.BI changelog_register
+Register a new changelog user for a particular device. Changelog entries
+will not be purged beyond any registered users' set point. (See lfs changelog_clear.)
+.TP
+.BI changelog_deregister " <id>"
+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 Debug
.TP
.BI debug_daemon
# lctl conf_param testfs-MDT0000 sys.timeout=40
.SH BUGS
-Please report all bugs to ClusterFileSystems, support@clusterfs.com
+Please report all bugs to Sun Microsystems, Inc. http://bugzilla.lustre.org/
.SH AVAILABILITY
.B lctl
is part of the
.BR Lustre (7)
-filesystem package and is available from CFS
+filesystem package and is available from Sun Microsystems, Inc.
.br
-http://clusterfs.com
+http://www.sun.com/software/products/lustre/index.xml
.SH SEE ALSO
.BR Lustre (7),
.BR mkfs.lustre (8),
git://git.whamcloud.com / fs / lustre-release.git / blobdiff