Gfarm file system Gfarm file system is a next-generation network shared file system.
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network file system filesystem network filesystem NFS alternative Gfarm

Gfarm file system Description

Gfarm file system is a next-generation network shared file system. Gfarm file system is a next-generation network shared file system.Gfarm file system will be an alternative solution of NFS, and will meet a demand for much larger, much reliable, and much faster file system. What's New in This Release: New Features: · symbolic link support · hundreds of clients support by thread pool · directory listing speedup by attribute cache New Command · gfstatus - display Gfarm configuration status · gfln - create a hard link or a symbolic link New Admin Command · config-gfarm-update - update the backend database. 'config-gfarm-update --update-symlink' updates the backend database to manage symbolic links. Note that the postgresql backend is only supported for now. New API · gfs_symlink, gfs_readlink - symbolic link support · gfs_lstat New configuration in gfmd.conf · metadb_server_stack_size directive to specify a stack size of threads · metadb_server_thread_pool_size directive to specify the maximum number of threads in a thread pool · metadb_server_job_queue_length directive to specify the length of a job request queue · metadb_server_heartbeat_interval directive to specify the interval of heartbeat to each gfsd Documentation · manual pages - gfchgrp(1), gfchmod(1), gfchown(1), gfgroup(1), gfhost(1), gfln(1), gfls(1), gfmv(1), gfstatus(1), gfuser(1). · manual pages in HTML Updated feature · gfls - accomodate attribute caching and support display regarding symlinks and hardlinks · gfchmod - display more user friendly error message · gfmd - support hundreds of clients by introducing a thread pool · gfmd - authorize peers concurrently by making network related functions MT safe · gfmd - schedule the local host only when it has enough disk space · gfsd - support gfmd reconnection at the start up · (GSI) allow to delegate a limited proxy · (GSI) disable GSS_C_NT_USER_NAME (spool_server_cred_type user) by default since it is not supported by Globus GSI Bug fix · libgfarm - fix missing intialization of a pointer · gfmd - fix race condition · gfsd - fix -c and -cc options to check invalid files not only invalid file replicas · gfsd - terminate the master process when the back channel process dies · (GSI) use distinguished name of delegated credential

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