.TH zfcp_host_configure "8" "February 2013" "s390-tools"
.SH NAME
zfcp_host_configure \- Configures or deconfigures a zFCP host bus adapter (HBA).
.SH SYNOPSIS
.B zfcp_host_configure ccwid online
.SH DESCRIPTION
.B zfcp_host_configure
is intended to make it easy to persistently add and remove IBM zFCP adapters. In addition to bringing the adapter online or offline, it will also create or delete the necessary udev rules for the adapter.
.SH PARAMETERS
.IP ccwid
The device number of the zFCP adapter. Takes the form x.y.ssss where
.RS
.B x
is always 0 until IBM creates something that uses that number.
.RE
.RS
.B y
is the subchannel set ID (SSID). Most often this is 0, but it could be non-zero.
.RE
.RS
.B ssss
is the four digit device address of the subchannel, in hexidecimal, with leading zeros. If entered in upper/mixed case, this is automatically converted to lower case.
.RE
.IP online
Either a literal 1 to bring the adapter online or a literal 0 to take it offline
.SH FILES
Please see the documentation of
.B chzdev.
.RE
.SH ENVIRONMENT
.IP DEBUG
If set to "yes" some minimal debugging information is output during execution.
.SH DIAGNOSTICS
Messages and return codes are determined by the
.B chzdev
command.
If environment variable DEBUG is set to "yes," it shows the command line of the invoked
.B chzdev.
.SH BUGS
Gotta be some, I'm sure. If you find one, please open a bug report.
.SH SEE ALSO
zfcp_disk_configure(8), zfcp_san_disc(8), chzdev(8)