Provided by: lustre-utils_1.8.5+dfsg-3ubuntu1_amd64 bug

NAME

       mount.lustre - start a Lustre client or target service

SYNOPSIS

       mount -t lustre [-o options] directory

DESCRIPTION

       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  mount(8)  as  above.
       Lustre clients and targets are stopped by using the umount(8) command.

       There  are  two  forms  for  the  device option, depending on whether a client or a target
       service is started:

       <mgsspec>:/<fsname>
              mounts the  Lustre  filesystem  named  fsname  on  the  client  by  contacting  the
              Management  Service  at mgsspec on the pathname given by directory.  The format for
              mgsspec is defined below.  A mounted client filesystem appears in fstab(5)  and  is
              usable like any local filesystem and provides a full POSIX-compilant interface.

       disk_device
              starts  the  target service defined by the mkfs.lustre command on the physical disk
              disk_device.  A  mounted  target  service  filesystem  is  only  useful  for  df(1)
              operations and appears in fstab(5) to show the device is in use.

OPTIONS

       <mgsspec>:=<mgsnode>[:<mgsnode>]
              The mgs specification may be a colon-separated list of nodes:

       <mgsnode>:=<mgsnid>[,<mgsnid>]
              each node may be specified by a comma-separated list of NIDs.

       In  addition  to the standard options listed in mount(8), Lustre understands the following
       client-specific options:

       flock  Enable full flock support, coherent across all client nodes.

       localflock
              Enable local flock support, using only client-local flock (faster, for applications
              that require flock but do not run on multiple nodes).

       noflock
              Disable flock support entirely.  Applications calling flock will get an error.

       user_xattr
              Enable  get/set  of  extended  attributes by regular users.  See the attr(5) manual
              page.

       nouser_xattr
              Disable use of extended attributes by regular users.  Root and system processes can
              still use extended attributes.

       acl    Enable POSIX Access Control List support.  See the acl(5) manual page.

       noacl  Disable Access Control List support.

       In addition to the standard mount options and backing disk type (e.g. ext3) options listed
       in mount(8), Lustre understands the following server-specific options:

       nosvc  Only start the MGC (and MGS, if co-located) for  a  target  service,  and  not  the
              actual service.

       nomgs  Start a MDT with a co-located MGS without starting the MGS.

       exclude=ostlist
              Start a client or MDT with a (colon-separated) list of known inactive OSTs.

       abort_recov
              Abort client recovery and start the target service immediately.

       md_stripe_cache_size
              Sets the stripe cache size for server side disk with a striped raid configuration.

       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).

       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).

EXAMPLES

       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.

       mount -t lustre /dev/sda1 /mnt/test/mdt
              Start  the  Lustre  metadata  target   service   from   /dev/sda1   on   mountpoint
              /mnt/test/mdt.

       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.

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  mount.lustre  will  silently
       ignore  it  and  no  service  tag is created.  The 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.

BUGS

       Not very many mount options can be changed with -o remount.  Please report all bugs to Sun
       Microsystems using http://bugzilla.lustre.org/

AVAILABILITY

       mount.lustre is part of the  Lustre(7)  filesystem  package  and  is  available  from  Sun
       Microsystems, Inc.
       http://downloads.lustre.org

SEE ALSO

       Lustre(7), mount(8), mkfs.lustre(8), tunefs.lustre(8), lctl(8), lfs(1)