.\" -*- nroff -*-
-.\" Copyright 2008 by Sun Microsystems. All Rights Reserved.
+.\" Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
+.\"
+.\" Copyright (c) 2012, 2016, Intel Corporation.
+.\"
.\" This file may be copied under the terms of the GNU Public License v2.
.\"
.TH mount.lustre 8 "2008 Mar 15" Lustre "configuration utilities"
.I device
option, depending on whether a client or a target service is started:
.TP
-.IR <mgsspec> :/ <fsname>
+.IR <mgsspec> :/ <fsname>[/<subdir>]
mounts the Lustre filesystem named
.I fsname
-on the client by contacting the Management Service at
+(under subdirectory
+.I subdir
+if specified) on the client by contacting the Management Service at
.IR mgsspec
on the pathname given by
.IR directory .
.TP
.BI noacl
Disable Access Control List support.
+.TP
+.BI always_ping
+Force a client to keep pinging even if servers have enabled suppress_pings.
+.TP
+.BI verbose
+Enable mount/umount console messages.
+.TP
+.BI noverbose
+Disable mount/umount console messages.
+.TP
+.BI user_fid2path
+Enable FID to path translation by regular users.
+.TP
+.BI nouser_fid2path
+Disable FID to path translation by regular users. Root and process with
+CAP_DAC_READ_SEARCH can still perform FID to path translation.
+.TP
+.BI skpath= file|directory
+Path to a file or directory with the keyfile(s) to load for this mount command.
+Keys are inserted into the KEY_SPEC_SESSION_KEYRING keyring with a description
+containing "lustre:" and a suffix which depends on whether the context of the
+mount command is for an MGS, MDT/OST, or client.
+This option is only available when built with --enable-gss.
+.TP
+.BI network= net
+Limit connections from the client to be on the network NID specified by 'net'.
+'net' designates a single network NID, like 'o2ib2' or 'tcp1'.
+This option can be useful in case of several Lustre client mount
+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.
.PP
In addition to the standard mount options and backing disk type
(e.g. ext3) options listed in
.BI nomgs
Start a MDT with a co-located MGS without starting the MGS.
.TP
+.BI noscrub
+Not trigger OI scrub automatically when detect some inconsistency, unless it is started explicitly.
+.TP
+.BI skip_lfsck
+Not resume the former paused/crashed LFSCK automatically when mount.
+.TP
.BI exclude= ostlist
Start a client or MDT with a (colon-separated) list of known inactive OSTs.
.TP
.BI md_stripe_cache_size
Sets the stripe cache size for server side disk with a striped raid
configuration.
+.TP
+.BI max_sectors_kb
+Automatically Sets the block device parameter of 'max_sectors_kb' for the
+MDT or OST target. When max_sectors_kb isn't specified, that parameter for
+block device will be set to same as it's own 'max_hw_sectors_kb' (up to a
+maximum of 16M), this is default behavior suited for most users. When
+max_sectors_kb is specified as zero, the old parameter value will be kept.
+When max_sectors_kb is specified as a positive number, the parameter will
+be set to this number arbitrarily.
+.TP
+.BI recovery_time_soft= timeout
+Allow 'timeout' seconds for clients to reconnect for recovery after a server
+crash. This timeout will be incrementally extended if it is about to expire
+and the server is still handling new connections from recoverable clients.
+The default soft recovery timeout is set to 300 seconds (5 minutes).
+.TP
+.BI recovery_time_hard= timeout
+The server will be allowed to incrementally extend its timeout up to a hard
+maximum of 'timeout' seconds. The default hard recovery timeout is set to
+900 seconds (15 minutes).
.SH EXAMPLES
.TP
.B mount -t lustre cfs21@tcp0:/testfs /mnt/myfilesystem
Start a client for the Lustre filesystem 'testfs' at the mount point
/mnt/myfilesystem. The Management Service is running on a node reachable
-from this client via the nid cfs21@tcp0.
+from this client via the NID cfs21@tcp0.
+.TP
+.B mount -t lustre cfs21@tcp0:/testfs/dir /mnt/myfilesystem
+Like above example, but mount subdirectory 'dir' as fileset.
+.TP
+.B mount -t lustre cfs21@tcp0,cfs21ib@o2ib0:cfs22@tcp0,cfs22ib@o2ib0:/testfs/dir /mnt/myfilesystem
+Like above example, but the Management Service is running on one of the service
+nodes cfs21 and cfs22, which are two different hosts separated by a colon and
+served as a failover pair. Lustre tries the first one, and if that fails, it
+tries the second one. On each service node, the comma-separated NIDs refer to
+different interfaces on the same host, and the Lustre client chooses the best
+one for communication based on which network interfaces it has locally.
.TP
.B mount -t lustre /dev/sda1 /mnt/test/mdt
Start the Lustre metadata target service from /dev/sda1 on mountpoint /mnt/test/mdt.
.B mount -t lustre -L testfs-MDT0000 -o abort_recov /mnt/test/mdt
Start the testfs-MDT0000 service (by using the disk label), but abort the
recovery process.
-.SH NOTES
-If the Service Tags tool (from the sun-servicetag package) can be found in
-/opt/sun/servicetag/bin/stclient an inventory service tag will be created
-reflecting the Lustre service being provided. If this tool cannot be found
-.B mount.lustre
-will silently ignore it and no service tag is created. The
-.BR stclient (1)
-tool only creates the local service tag. No information is sent to the asset
-management system until you run the Registration Client to collect the tags
-and then upload them to the inventory system using your inventory system account.
-See https://inventory.sun.com/ for more details on a web-based, free, IT asset
-management system.
.SH BUGS
Not very many mount options can be changed with
.BR "-o remount" .
-Please report all bugs to Sun Microsystems using http://bugzilla.lustre.org/
.SH AVAILABILITY
.B mount.lustre
is part of the
.BR Lustre (7)
-filesystem package and is available from Sun Microsystems, Inc.
-.br
-http://downloads.lustre.org
+filesystem package.
.SH SEE ALSO
-.BR Lustre (7),
+.BR lustre (7),
.BR mount (8),
.BR mkfs.lustre (8),
.BR tunefs.lustre (8),
git://git.whamcloud.com / fs / lustre-release.git / blobdiff