biod(1M)                         DG/UX R4.11                        biod(1M)


NAME
       biod - start block I/O servers

SYNOPSIS
       /usr/sbin/biod [nservers]

   where:
       nservers  An integer specifying how many servers to start

DESCRIPTION
       Biod starts nservers asynchronous block I/O servers (daemons).  The
       biod servers are used in performing asynchronous I/O between
       secondary storage and main memory except for paging to local swap
       areas.  For example, file readahead, most file buffer writebacks, and
       diskless paging all use biod servers.  The more I/O expected on the
       system, particularly NFS I/O, the more servers are needed to service
       it.

       A good value for nservers for a typical system using NFS is 8; a
       smaller value may yield equally good performance if the system is not
       used as an NFS client.

SEE ALSO
       nfs(6P).


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