20TB Storage System

Geoff Buckingham geoffb at chuggalug.clues.com
Wed Sep 3 04:10:26 PDT 2003


On Tue, Sep 02, 2003 at 03:53:53PM -0700, Max Clark wrote:
> Depends on whether you plan on crashing or not :)  According to
> http://lists.freebsd.org/pipermail/freebsd-fs/2003-July/000181.html,
> you may not want to create filesystems over 3TB if you want fsck to
> succeed.  I don't know if that's using the default newfs settings
> (which would create an insane number of inodes), though.
> 
> - This is a big problem (no pun intended), my smallest requirement is still
> 5TB... what would you recommend? The smallest file on the storage will be
> 500MB.
> 
If you files are all going this large I imagine you should look carefully at
what you do with inodes, block and cluster sizes 

However I just read the newfs man page and am intrigued to know what effect
the -g and -h options have....

     -g avgfilesize
             The expected average file size for the file system.

     -h avgfpdir
             The expected average number of files per directory on the file
             system.



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