openafs/doc/man-pages/pod5/cacheinfo.pod
Russ Allbery f64a78e701 man5-editing-pass-20051213
This completes the first editing pass of the man pages.  Very little
content editing has been done, but the server and client versions of
various man pages have been combined into a single man page for the
file (affects CellServDB, ThisCell, NetInfo, and NetRestrict), the
descriptions of the various AFS cache files have been combined into one
afs_cache man page, and the descriptions of the two butc log files have
been combined into one butc_logs man page.

For man pages for databases with two files, symlinks are now created on
installation for the secondary file name.

All of the man pages should now be ready for public review, additional
editing and cleanup, and content editing.
2005-12-14 01:30:20 +00:00

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=head1 NAME
cacheinfo - Defines configuration parameters for the Cache Manager
=head1 DESCRIPTION
The F<cacheinfo> file defines configuration parameters for the Cache
Manager, which reads the file as it initializes.
The file contains a single line of ASCII text and must reside in the
F</usr/vice/etc> directory. Use a text editor to create it during initial
configuration of the client machine; the required format is as follows:
<mount>:<cache>:<size>
where
=over 4
=item <mount>
Names the local disk directory at which the Cache Manager mounts the AFS
namespace. It must exist before the B<afsd> program runs. The conventional
value is F</afs>. Using any other value prevents traversal of pathnames
that begin with F</afs> (such as pathnames to files in foreign cells that
do use the conventional name). The B<-mountdir> argument to the B<afsd>
command overrides this value.
=item <cache>
Names the local disk directory to use as a cache. It must exist before the
B<afsd> program runs. The standard value is F</usr/vice/cache>, but it is
acceptable to substitute a directory on a partition with more available
space. Although the Cache Manager ignores this field when configuring a
memory cache, a value must always appear in it. The B<-cachedir> argument
to the B<afsd> command overrides this value.
=item <size>
Specifies the cache size as a number of 1-kilobyte blocks. Larger caches
generally yield better performance, but a disk cache must not exceed 90%
of the space available on the cache partition (85% for AIX systems), and a
memory cache must use no more than 25% of available machine memory.
The B<-blocks> argument to the afsd command overrides this value. To reset
cache size without rebooting on a machine that uses disk caching, use the
B<fs setcachesize> command. To display the current size of a disk or
memory cache between reboots, use the B<fs getcacheparms> command.
=back
=head1 EXAMPLES
The following example cacheinfo file mounts the AFS namespace at F</afs>,
establishes a disk cache in the F</usr/vice/cache> directory, and defines
cache size as 50,000 1-kilobyte blocks.
/afs:/usr/vice/cache:50000
=head1 SEE ALSO
L<afsd(8)>,
L<fs_getcacheparms(8)>,
L<fs_setcachesize(8)>
=head1 COPYRIGHT
IBM Corporation 2000. <http://www.ibm.com/> All Rights Reserved.
This documentation is covered by the IBM Public License Version 1.0. It was
converted from HTML to POD by software written by Chas Williams and Russ
Allbery, based on work by Alf Wachsmann and Elizabeth Cassell.