glusterfs.8 - Online Linux Manual Page

GlusterFS - Online Linux Manual PageSection : 8
Updated : Clustered File System
Source : 07 March 2011
Note : Gluster Inc.

NAMEGlusterFS − clustered file system

SYNOPSISglusterfs [options] [mountpoint]

DESCRIPTIONGlusterFS is a clustered file system, capable of scaling to several peta-bytes. It aggregates various storage bricks over Infiniband RDMA or TCP/IP and interconnect into one large parallel network file system. Storage bricks can be made of any commodity hardware, such as x86-64 server with SATA-II RAID and Infiniband HBA. GlusterFS is fully POSIX compliant file system. On client side, it has dependency on FUSE package, on server side, it works seemlessly on different operating systems. Currently supported on GNU/Linux and Solaris.

OPTIONS

Basic options−f, −−volfile=VOLUME-FILE File to use as VOLUME-FILE. −l, −−log−file=LOGFILE File to use for logging (the default is <INSTALL-DIR>/var/log/glusterfs/<MOUNT-POINT>.log). −L, −−log−level=LOGLEVEL Logging severity. Valid options are TRACE, DEBUG, INFO, WARNING, ERROR and CRITICAL (the default is INFO). −s, −−volfile−server=SERVER Server to get the volume from. This option overrides −−volfile option. −−volfile−max−fetch−attempts=MAX−ATTEMPTS Maximum number of connect attempts to server. This option should be provided with −−volfile−server option (the default is 1).

Advanced options−−acl Mount the filesystem with POSIX ACL support. −−localtime−logging Enable localtime log timestamps. −−debug Run in debug mode. This option sets −−no−daemon, −−log−level to DEBUG, and −−log−file to console. −−enable−ino32=BOOL Use 32-bit inodes when mounting to workaround application that doesn't support 64-bit inodes. −−fopen−keep−cache[=BOOL] Do not purge the cache on file open (default: false). −−mac−compat=BOOL Provide stubs for attributes needed for seamless operation on Macs (the default is off). −N, −−no−daemon Run in the foreground. −p, −−pid−file=PIDFILE File to use as PID file. −−read−only Mount the file system in 'read-only' mode. −−selinux Enable SELinux label (extended attributes) support on inodes. −S, −−socket−file=SOCKFILE File to use as unix-socket. −−volfile−id=KEY Key of the volume file to be fetched from the server. −−volfile−server−port=PORT Port number of volfile server. −−volfile−server−transport=TRANSPORT Transport type to get volume file from server (the default is tcp). −−volume−name=VOLUME−NAME Volume name to be used for MOUNT-POINT (the default is top most volume in VOLUME-FILE). −−worm Mount the filesystem in 'worm' mode. −−xlator−option=VOLUME−NAME.OPTION=VALUE Add/Override a translator option for a volume with the specified value. −−subdir−mount=SUBDIR−MOUNT−PATH Mount subdirectory instead of the '/' of volume.

Fuse options −−attr−times−granularity=NANOSECONDS Declare supported granularity of file attribute times (default is 0 which kernel handles as unspecified; valid real values are between 1 and 1000000000). −−attribute−timeout=SECONDS Set attribute timeout to SECONDS for inodes in fuse kernel module (the default is 1). −−background−qlen=N Set fuse module's background queue length to N (the default is 64). −−congestion−threshold=N Set fuse module's congestion threshold to N (the default is 48). −−direct−io−mode=BOOL|auto Specify fuse direct I/O strategy (the default is auto). −−dump-fuse=PATH Dump fuse traffic to PATH −−entry−timeout=SECONDS Set entry timeout to SECONDS in fuse kernel module (the default is 1). −−gid−timeout=SECONDS Set auxiliary group list timeout to SECONDS for fuse translator (the default is 0). −−kernel-writeback-cache=BOOL Enable fuse in-kernel writeback cache. −−negative−timeout=SECONDS Set negative timeout to SECONDS in fuse kernel module (the default is 0). −−auto−invalidation=BOOL controls whether fuse-kernel can auto-invalidate attribute, dentry and page-cache. Disable this only if same files/directories are not accessed across two different mounts concurrently [default: on]. −−volfile-check Enable strict volume file checking.

Miscellaneous Options −?, −−help Display this help. −−usage Display a short usage message. −V, −−version Print the program version.

FILES/var/lib/glusterd/vols/*/*.vol

EXAMPLESmount a volume named foo on server bar with log level DEBUG on mount point /mnt/foo # glusterfs −−log−level=DEBUG −−volfile−id=foo −−volfile−server=bar /mnt/foo

SEE ALSOfusermount(1), mount.glusterfs(8), gluster(8)

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