1.\" Copyright (c) 2012 The FreeBSD Foundation 2.\" All rights reserved. 3.\" 4.\" This software was developed by Edward Tomasz Napierala under sponsorship 5.\" from the FreeBSD Foundation. 6.\" 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 1. Redistributions of source code must retain the above copyright 11.\" notice, this list of conditions and the following disclaimer. 12.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" notice, this list of conditions and the following disclaimer in the 14.\" documentation and/or other materials provided with the distribution. 15.\" 16.\" THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 17.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 20.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26.\" SUCH DAMAGE. 27.\" 28.\" $FreeBSD$ 29.\" 30.Dd May 28, 2017 31.Dt ISCSID 8 32.Os 33.Sh NAME 34.Nm iscsid 35.Nd iSCSI initiator daemon 36.Sh SYNOPSIS 37.Nm 38.Op Fl P Ar pidfile 39.Op Fl d 40.Op Fl l Ar loglevel 41.Op Fl m Ar maxproc 42.Op Fl t Ar seconds 43.Sh DESCRIPTION 44The 45.Nm 46daemon is the userspace component of the iSCSI initiator, 47responsible for performing the Login Phase 48of iSCSI connections and the SendTargets discovery. 49.Pp 50Upon startup, the 51.Nm 52daemon opens the iSCSI initiator device file and waits for requests 53from the kernel component, 54.Xr iscsi 4 . 55.Nm 56does not use any configuration files. 57All needed information is supplied by the kernel. 58.Pp 59When the 60.Nm 61daemon is not running, already established iSCSI connections continue 62to work. 63However, establishing new connections, or recovering existing ones in case 64of connection error, is not possible. 65.Pp 66The following options are available: 67.Bl -tag -width ".Fl P Ar pidfile" 68.It Fl P Ar pidfile 69Specify alternative location of a file where main process PID will be stored. 70The default location is 71.Pa /var/run/iscsid.pid . 72.It Fl d 73Debug mode. 74The daemon sends verbose debug output to standard error, and does not 75put itself in the background. 76The daemon will also not fork and will exit after processing one connection. 77This option is only intended for debugging the initiator. 78.It Fl l Ar loglevel 79Specifies debug level. 80The default is 0. 81.It Fl m Ar maxproc 82Specifies limit for concurrently running child processes handling 83connections. 84The default is 30. 85Setting it to 0 disables the limit. 86.It Fl t Ar seconds 87Specifies timeout for login session, after which the connection 88will be forcibly terminated. 89The default is 60. 90Setting it to 0 disables the timeout. 91.El 92.Sh FILES 93.Bl -tag -width ".Pa /var/run/iscsid.pid" -compact 94.It Pa /dev/iscsi 95The iSCSI initiator device file. 96.It Pa /var/run/iscsid.pid 97The default location of the 98.Nm 99PID file. 100.El 101.Sh EXIT STATUS 102The 103.Nm 104utility exits 0 on success, and >0 if an error occurs. 105.Sh SEE ALSO 106.Xr iscsi 4 , 107.Xr iscsictl 8 108.Sh HISTORY 109The 110.Nm 111command appeared in 112.Fx 10.0 . 113.Sh AUTHORS 114The 115.Nm 116utility was developed by 117.An Edward Tomasz Napierala Aq Mt trasz@FreeBSD.org 118under sponsorship from the FreeBSD Foundation. 119