18fae3551SRodney W. Grimes.\" Copyright (c) 1989, 1991, 1993 28fae3551SRodney W. Grimes.\" The Regents of the University of California. All rights reserved. 38fae3551SRodney W. Grimes.\" 48fae3551SRodney W. Grimes.\" Redistribution and use in source and binary forms, with or without 58fae3551SRodney W. Grimes.\" modification, are permitted provided that the following conditions 68fae3551SRodney W. Grimes.\" are met: 78fae3551SRodney W. Grimes.\" 1. Redistributions of source code must retain the above copyright 88fae3551SRodney W. Grimes.\" notice, this list of conditions and the following disclaimer. 98fae3551SRodney W. Grimes.\" 2. Redistributions in binary form must reproduce the above copyright 108fae3551SRodney W. Grimes.\" notice, this list of conditions and the following disclaimer in the 118fae3551SRodney W. Grimes.\" documentation and/or other materials provided with the distribution. 128fae3551SRodney W. Grimes.\" 3. All advertising materials mentioning features or use of this software 138fae3551SRodney W. Grimes.\" must display the following acknowledgement: 148fae3551SRodney W. Grimes.\" This product includes software developed by the University of 158fae3551SRodney W. Grimes.\" California, Berkeley and its contributors. 168fae3551SRodney W. Grimes.\" 4. Neither the name of the University nor the names of its contributors 178fae3551SRodney W. Grimes.\" may be used to endorse or promote products derived from this software 188fae3551SRodney W. Grimes.\" without specific prior written permission. 198fae3551SRodney W. Grimes.\" 208fae3551SRodney W. Grimes.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 218fae3551SRodney W. Grimes.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 228fae3551SRodney W. Grimes.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 238fae3551SRodney W. Grimes.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 248fae3551SRodney W. Grimes.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 258fae3551SRodney W. Grimes.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 268fae3551SRodney W. Grimes.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 278fae3551SRodney W. Grimes.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 288fae3551SRodney W. Grimes.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 298fae3551SRodney W. Grimes.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 308fae3551SRodney W. Grimes.\" SUCH DAMAGE. 318fae3551SRodney W. Grimes.\" 32d599144dSGarrett Wollman.\" From: @(#)nfsiod.8 8.2 (Berkeley) 2/22/94 337f3dea24SPeter Wemm.\" $FreeBSD$ 348fae3551SRodney W. Grimes.\" 35d599144dSGarrett Wollman.Dd September 22, 1994 368fae3551SRodney W. Grimes.Dt NFSIOD 8 378fae3551SRodney W. Grimes.Os 388fae3551SRodney W. Grimes.Sh NAME 398fae3551SRodney W. Grimes.Nm nfsiod 408fae3551SRodney W. Grimes.Nd local 418fae3551SRodney W. Grimes.Tn NFS 428fae3551SRodney W. Grimesasynchronous I/O server 438fae3551SRodney W. Grimes.Sh SYNOPSIS 447c7fb079SRuslan Ermilov.Nm 458fae3551SRodney W. Grimes.Op Fl n Ar num_servers 468fae3551SRodney W. Grimes.Sh DESCRIPTION 47e1205e80SPhilippe CharnierThe 48e1205e80SPhilippe Charnier.Nm 49e1205e80SPhilippe Charnierutility is a kernel process which run on an 508fae3551SRodney W. Grimes.Tn NFS 518fae3551SRodney W. Grimesclient machine to service asynchronous I/O requests to its server. 528fae3551SRodney W. GrimesIt improves performance but is not required for correct operation. 538fae3551SRodney W. Grimes.Pp 5451c20097SPeter WemmThis program controls the maximum number of processes that the kernel runs. 558fae3551SRodney W. Grimes.Pp 568fae3551SRodney W. GrimesThe options are as follows: 576ca76744SPhilippe Charnier.Bl -tag -width indent 588fae3551SRodney W. Grimes.It Fl n 5951c20097SPeter WemmSpecify how many servers are permitted to be started. 608fae3551SRodney W. Grimes.El 618fae3551SRodney W. Grimes.Pp 628fae3551SRodney W. GrimesA client should run enough daemons to handle its maximum 638fae3551SRodney W. Grimeslevel of concurrency, typically four to six. 648fae3551SRodney W. Grimes.Pp 65d599144dSGarrett WollmanIf 666ca76744SPhilippe Charnier.Nm 67d599144dSGarrett Wollmandetects that the running kernel does not include 68d599144dSGarrett Wollman.Tn NFS 69d599144dSGarrett Wollmansupport, it will attempt to load a loadable kernel module containing 70d599144dSGarrett Wollman.Tn NFS 71d599144dSGarrett Wollmancode, using 728570fd2aSGuy Helmer.Xr kldload 8 73d599144dSGarrett Wollmanby way of 74d599144dSGarrett Wollman.Xr vfsload 3 . 75d599144dSGarrett WollmanIf this fails, or no 76d599144dSGarrett Wollman.Tn NFS 778570fd2aSGuy HelmerKLD was available, 786ca76744SPhilippe Charnier.Nm 79d599144dSGarrett Wollmanexits with an error. 80d628d776SRuslan Ermilov.Sh DIAGNOSTICS 81d628d776SRuslan Ermilov.Ex -std 828fae3551SRodney W. Grimes.Sh SEE ALSO 838fae3551SRodney W. Grimes.Xr nfsstat 1 , 848fae3551SRodney W. Grimes.Xr nfssvc 2 , 858570fd2aSGuy Helmer.Xr kldload 8 , 868fae3551SRodney W. Grimes.Xr mountd 8 , 872a2d4405SMatthew Dillon.Xr nfsd 8 , 888657581bSMaxim Sobolev.Xr rpcbind 8 898fae3551SRodney W. Grimes.Sh HISTORY 908fae3551SRodney W. GrimesThe 916ca76744SPhilippe Charnier.Nm 92c0b0bcf4SMike Pritchardutility first appeared in 93c0b0bcf4SMike Pritchard.Bx 4.4 . 94