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nfsiod.8 (1559) nfsiod.8 (2999)
1.\" Copyright (c) 1989, 1991, 1993
2.\" The Regents of the University of California. All rights reserved.
3.\"
4.\" Redistribution and use in source and binary forms, with or without
5.\" modification, are permitted provided that the following conditions
6.\" are met:
7.\" 1. Redistributions of source code must retain the above copyright
8.\" notice, this list of conditions and the following disclaimer.
9.\" 2. Redistributions in binary form must reproduce the above copyright
10.\" notice, this list of conditions and the following disclaimer in the
11.\" documentation and/or other materials provided with the distribution.
12.\" 3. All advertising materials mentioning features or use of this software
13.\" must display the following acknowledgement:
14.\" This product includes software developed by the University of
15.\" California, Berkeley and its contributors.
16.\" 4. Neither the name of the University nor the names of its contributors
17.\" may be used to endorse or promote products derived from this software
18.\" without specific prior written permission.
19.\"
20.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30.\" SUCH DAMAGE.
31.\"
1.\" Copyright (c) 1989, 1991, 1993
2.\" The Regents of the University of California. All rights reserved.
3.\"
4.\" Redistribution and use in source and binary forms, with or without
5.\" modification, are permitted provided that the following conditions
6.\" are met:
7.\" 1. Redistributions of source code must retain the above copyright
8.\" notice, this list of conditions and the following disclaimer.
9.\" 2. Redistributions in binary form must reproduce the above copyright
10.\" notice, this list of conditions and the following disclaimer in the
11.\" documentation and/or other materials provided with the distribution.
12.\" 3. All advertising materials mentioning features or use of this software
13.\" must display the following acknowledgement:
14.\" This product includes software developed by the University of
15.\" California, Berkeley and its contributors.
16.\" 4. Neither the name of the University nor the names of its contributors
17.\" may be used to endorse or promote products derived from this software
18.\" without specific prior written permission.
19.\"
20.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30.\" SUCH DAMAGE.
31.\"
32.\" @(#)nfsiod.8 8.2 (Berkeley) 2/22/94
32.\" From: @(#)nfsiod.8 8.2 (Berkeley) 2/22/94
33.\" $Id$
33.\"
34.\"
34.Dd February 22, 1994
35.Dd September 22, 1994
35.Dt NFSIOD 8
36.Os
37.Sh NAME
38.Nm nfsiod
39.Nd local
40.Tn NFS
41asynchronous I/O server
42.Sh SYNOPSIS
43.Nm nfsiod
44.Op Fl n Ar num_servers
45.Sh DESCRIPTION
46.Nm Nfsiod
47runs on an
48.Tn NFS
49client machine to service asynchronous I/O requests to its server.
50It improves performance but is not required for correct operation.
51.Pp
52Unless otherwise specified, a single server is started.
53.Pp
54The options are as follows:
55.Bl -tag -width Ds
56.It Fl n
57Specify how many servers are to be started.
58.El
59.Pp
60A client should run enough daemons to handle its maximum
61level of concurrency, typically four to six.
62.Pp
36.Dt NFSIOD 8
37.Os
38.Sh NAME
39.Nm nfsiod
40.Nd local
41.Tn NFS
42asynchronous I/O server
43.Sh SYNOPSIS
44.Nm nfsiod
45.Op Fl n Ar num_servers
46.Sh DESCRIPTION
47.Nm Nfsiod
48runs on an
49.Tn NFS
50client machine to service asynchronous I/O requests to its server.
51It improves performance but is not required for correct operation.
52.Pp
53Unless otherwise specified, a single server is started.
54.Pp
55The options are as follows:
56.Bl -tag -width Ds
57.It Fl n
58Specify how many servers are to be started.
59.El
60.Pp
61A client should run enough daemons to handle its maximum
62level of concurrency, typically four to six.
63.Pp
64If
65.Nm nfsiod
66detects that the running kernel does not include
67.Tn NFS
68support, it will attempt to load a loadable kernel module containing
69.Tn NFS
70code, using
71.Xr modload 8
72by way of
73.Xr vfsload 3 .
74If this fails, or no
75.Tn NFS
76LKM was available,
77.Nm nfsiod
78exits with an error.
79.Pp
63The
64.Nm nfsiod
65utility exits 0 on success, and >0 if an error occurs.
66.Sh SEE ALSO
67.Xr nfsstat 1 ,
68.Xr nfssvc 2 ,
80The
81.Nm nfsiod
82utility exits 0 on success, and >0 if an error occurs.
83.Sh SEE ALSO
84.Xr nfsstat 1 ,
85.Xr nfssvc 2 ,
86.Xr modload 8 ,
69.Xr mountd 8 ,
70.Xr portmap 8
71.Sh HISTORY
72The
73.Nm nfsiod
74utility first appeared in 4.4BSD.
87.Xr mountd 8 ,
88.Xr portmap 8
89.Sh HISTORY
90The
91.Nm nfsiod
92utility first appeared in 4.4BSD.