Documentation File Systems Beat

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== FedFS ==
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Fedora 18 adds '''FedFS''', a mechanism to provide a coherent namespace across multiple file servers.
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The code provided in this package is a technology preview. The intent is to provide a full and supported Linux FedFS client and server implementation
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based on this code. Programming and user interfaces may change significantly for the next few releases.
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The components in this package are used for managing file system referrals in order to create a global network file system namespace. Installable
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components include:
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* An automounter program map to manage the FedFS domain namespace on FedFS-enabled clients.
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* A mount command to mount parts of a FedFS domain namespace.
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* A plug-in library that allows programs outside of FedFS to resolve junctions on local file systems.
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* An ONC RPC service daemon that runs on file servers enabling the management by remote FedFS ADMIN clients of FedFS junctions.
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* A tool called "nfsref" to manage local junctions without requiring fedfsd.
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* A set of command-line clients that can access fedfsd instances on remote file servers.
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* A set of command-line clients that can manage FedFS entries on an LDAP server acting as a FedFS NSDB.
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* A tool to manage NSDB connection parameters on the local host.
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* An LDIF format schema to enable an LDAP server to support FedFS objects.
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For more information refer to the [http://wiki.linux-nfs.org/wiki/index.php/FedFsUtilsProject FedFS project page] and the [http://wiki.linux-nfs.org/wiki/index.php/FedFsUtilsDocs FedFS Documentation page].
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== /tmp on tmpfs ==
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By default, <code>/tmp</code> on Fedora 18 will be on a tempfs. Storage of large temporary files should be done on <code>/var/tmp</code>. This will reduce the I/O generated on disks, increase SSD lifetime, save power, and improve performance of the <code>/tmp</code> filesystem..
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Revision as of 23:59, 21 January 2013

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