.\" -*- nroff -*-
.\" Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
.\"
-.\" Copyright (c) 2012, 2016, Intel Corporation.
+.\" Copyright (c) 2012, 2017, Intel Corporation.
.\"
.\" This file may be copied under the terms of the GNU Public License v2.
.\"
mount.lustre \- start a Lustre client or target service
.SH SYNOPSIS
.br
-.BI "mount \-t lustre [\-o " options "] " "device mountpoint"
+.BI "mount \-t lustre [\-o " options "] " "<block_device> <server_mountpoint>"
+.br
+.BI "mount \-t lustre [\-o " options "] " "<mgsname>:/<fsname> <client_mountpoint>"
.SH DESCRIPTION
.B mount.lustre
-is used to start a Lustre client or target service. This program should not be
-called directly; rather it is a helper program invoked through
+is used to start a Lustre client or target service. This program should not
+be called directly; rather it is a helper program invoked through
.BR mount (8)
-as above. Lustre clients and targets are stopped by using the
+as above when the
+.B lustre
+filesystem type is used. Lustre clients and targets are stopped by using the
.BR umount (8)
command.
.br
-There are two forms for the
-.I device
-option, depending on whether a client or a target service is started:
+There are two forms for the device option passed to the
+.I mount
+command, depending on whether a client or a target service is started:
.TP
.IR <mgsname> :/ <fsname>[/<subdir>]
mounts the Lustre filesystem named
(optionally starting at subdirectory
.I subdir
within the filesystem, if specified) on the client at the directory
-.IR mountpoint ,
+.IR client_mountpoint ,
by contacting the Management Service at
.IR mgsname .
The format for
.I mgsname
-is defined below. A client filesystem can be listed in
+is defined below. A client filesystem will typically be listed in
.BR fstab (5)
for automatic mount at boot time, is usable like any local filesystem, and
provides a full POSIX-compilant interface.
.I block_device
starts the target service defined by the
.IR mkfs.lustre (8)
-command on the physical disk
+command on the physical disk or ZFS dataset given by
.IR block_device .
The
.I block_device
.BI <mgsnode>:= <mgsnid>[,<mgsnid>]
Each
.I mgsnode
-may be specify a comma-separated list of NIDs, if there are different
-LNet interfaces for that
+may specify a comma-separated list of NIDs, if there are different
+LNet interfaces for the same
.IR mgsnode .
.TP
.BI mgssec= flavor
.BR flock(2)
will get an
.B ENOSYS
-error. It is up to theadministrator to choose either the
+error. It is up to the administrator to choose either the
.B localflock
or
.B flock
Force a client to keep pinging even if servers have enabled suppress_pings.
.TP
.BI verbose
-Enable mount/umount console messages.
+Enable mount/remount/umount console messages.
.TP
.BI noverbose
-Disable mount/umount console messages.
+Disable mount/remount/umount console messages.
.TP
.BI user_fid2path
-Enable FID to path translation by regular users.
+Enable FID to path translation by regular users via
+.BR "lfs fid2path" .
.TP
.BI nouser_fid2path
Disable FID to path translation by regular users. Root and process with
points on the same node, with each mount point using a different
network. It is also interesting when running Lustre clients from
containers, by restricting each container to a specific network.
-.SH CLIENT OPTIONS
+.PP
+.RS
+Warning! 'network' option is incompatible with LNet Dynamic Peer Discovery.
+If you want to restrict client NID, please make sure LNet Dynamic Peer Discovery
+is disabled.
+.RE
+.SH SERVER OPTIONS
In addition to the standard mount options and backing disk type
(e.g. ldiskfs) options listed in
.BR mount (8),
options:
.TP
.BI acl
-Enable POSIX Access Control List support. See the
+Enable POSIX Access Control List support for all clients. See the
.BR acl (5)
manual page.
.TP
-.BI noacl
-Disable Access Control List support.
-.TP
.BI nosvc
-Only start the MGC (and MGS, if co-located) for a target service, and not the actual service.
+Only start the MGC (and MGS, if co-located) for a target service,
+and not the actual MDS or OSS service.
.TP
.BI nomgs
-Start a MDT with a co-located MGS without starting the MGS.
+Start an MDT with a co-located MGS without starting the MGS service.
.TP
.BI noscrub
-Not trigger OI scrub automatically when detect some inconsistency, unless it is started explicitly.
+Do not trigger OI scrub automatically when an inconsistency is detected.
+It is still possible to start explicitly using the
+.BR "lctl lfsck_start" .
.TP
.BI skip_lfsck
-Not resume the former paused/crashed LFSCK automatically when mount.
+Do not resume the former paused/crashed LFSCK automatically when mounting.
.TP
.BI abort_recov
Abort client recovery and start the target service immediately.
git://git.whamcloud.com / fs / lustre-release.git / blobdiff