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       Lustre - a high-performance cluster file system


       A high-performance file system designed for clusters.


       Lustre®  is  a  high-performance,  massively-scalable,  POSIX-compliant
       network file system designed for the world’s  largest  high-performance
       compute   clusters.   Lustre  is  under  active  development  from  Sun
       Microsystems (

       Lustre  filesystems  are  made  up  of  multiple   services   typically
       distributed  across  multiple  nodes.  Lustre clients can contact these
       server nodes over multiple high-speed network  fabrics  via  LNET,  the
       Lustre  NETworking  system.   Clients  then present the filesystem at a
       mount point to userspace.

       A filesystem is comprised of a MDT  ,  MetaData  Target,  which  stores
       directory and file meta-information such as file ownership, timestamps,
       access permissions, etc, and a series of OSTs , Object Storage Targets,
       which  hold  the  file data in one or more objects.  There is typically
       not a 1:1 mapping of OST objects and what is presented as a file  on  a
       Lustre client.

       Lustre and LNET are implemented as a series of kernel modules, for both
       servers and clients.  LNET networks are defined  in  the  modprobe.conf
       file  on all nodes.  Lustre is started on the clients and servers using
       the mount(8) command.


              Format a physical disk for use  as  a  Lustre  server’s  backend
              storage (aka target).

              Modify configuration information on a Lustre target disk.

              A  helper  program  for  mount(8) that starts Lustre servers and
              clients mounts the client filesystem.

              A low-level interface to control various aspects of Lustre

       lfs(1) A user-level interface to  control  Lustre-specific  information
              for  individual  files. Format multiple Lustre
              targets simultaneously from definitions in a CSV file.


       Please    report    all    bugs     to     Sun     Microsystems     via


       The  Lustre(7)  filesystem  package is available from Sun Microsystems,
       Inc via


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