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    Command:

    fs_setcachesize

    
    
    

    SYNOPSIS

           fs setcachesize [-blocks <size (0 = reset)>>] [-reset] [-help]
    
           fs setca [-b <size (0 = reset)>>] [-r] [-h]
    
           fs cachesize [-b <size (0 = reset)>>] [-r] [-h]
    
           fs ca [-b <size (0 = reset)>>] [-r] [-h]
    
    
    

    DESCRIPTION

           The fs setcachesize command changes the number of kilobyte blocks of
           local disk space available to the Cache Manager for its data cache, on
           machines that use a disk cache. The command is not operative on
           machines that use a memory cache.
    
           To return the cache size to the default value specified in the third
           field of the local /etc/openafs/cacheinfo file, provide a value of 0 to
           the -blocks argument.
    
           To return the cache size to the value set when the machine was last
           rebooted, use the -reset flag instead of the -blocks argument. This is
           normally the amount specified in the cacheinfo file, unless the -blocks
           argument was included on the afsd command to override the cacheinfo
           value.
    
           To display the current cache size and amount of cache in use, for both
           disk and memory caches, use the fs getcacheparms command.
    
    
    

    CAUTIONS

           This command is not operative on machines using a memory cache, and
           results in an error message. To change memory cache size, edit the
           cacheinfo file and reboot, or reboot and provide the -blocks argument
           to the afsd command.
    
           On machines using a disk cache, do not set the cache size to exceed 85%
           to 90% of the actual disk space available for the cache directory. The
           cache implementation itself requires a small amount of space on the
           partition.
    
    
    

    OPTIONS

           -blocks <size>
               Specifies the amount of disk space available for the Cache Manager
               to devote to the cache.  The size should be a positive integer
               followed by an optional suffix: "K" for kibibytes (1024 bytes, the
               default), "M" for mebibytes (1024 kibibytes), "G" for gibibytes
               (1024 mebibytes), and "T" for tebibytes (1024 gibibytes).  Provide
               a value of 0 to set cache size to the default specified in the
               cacheinfo file.
    
           -reset
               Returns the cache size to the value set when the machine was last
               booted. This agrees with the value in the cacheinfo file unless the
    
           command was not used.
    
              % fs setcachesize -blocks 0
              % fs setcachesize -reset
    
    
    

    PRIVILEGE REQUIRED

           The issuer must be logged in as the local superuser root.
    
    
    

    SEE ALSO

           cacheinfo(5), afsd(8), fs_getcacheparms(1)
    
    
    

    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.
    
    
    

    OpenAFS 2012-03-26 FS_SETCACHESIZE(1)

    
    
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