47 lines
2.0 KiB
Groff
47 lines
2.0 KiB
Groff
.TH zfcp_disk_configure "8" "February 2013" "s390-tools"
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.SH NAME
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zfcp_disk_configure \- Configures or deconfigures a zfcp-attached SCSI Logical Unit (LU).
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.SH SYNOPSIS
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.B zfcp_disk_configure ccwid wwpn lun online
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.SH DESCRIPTION
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.B zfcp_disk_configure
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is intended to make it easy to persistently add and remove zfcp-attached SCSI Logical Units. In addition to bringing the LU online or offline, it will also create or delete the necessary udev rules for the LU.
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.SH PARAMETERS
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.IP ccwid
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The device number of the zFCP adapter. Takes the form x.y.ssss where
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.RS
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.B x
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is always 0 until IBM creates something that uses that number.
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.RE
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.RS
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.B y
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is the subchannel set ID (SSID). Most often this is 0, but it could be non-zero.
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.RE
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.RS
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.B ssss
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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.
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.RE
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.IP wwpn
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Is the World Wide Port Number of the storage array in which the LUN resides. This will be a 16 digit hexidecimal number of the form 0x0123456789abcdef. You must obtain this number from the administrator of the storage array.
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.IP lun
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Is the Logical Unit Number of the specific disk in the storage array. This will also be a 16 digit hexidecimal number of the form 0x0123456789abcdef. You must obtain this number from the administrator of the storage array. Be careful in that some storage array administrator interfaces disply the LUN in decimal, and must be converted to hexidecimal to be used in this command.
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.IP online
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Either a literal 1 to attach the LU or a literal 0 to detach the LU.
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.SH FILES
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Please see the documentation of
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.B chzdev.
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.RE
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.SH ENVIRONMENT
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.IP DEBUG
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If set to "yes" some minimal debugging information is output during execution.
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.SH DIAGNOSTICS
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Messages and return codes are determined by the
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.B chzdev
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command.
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If environment variable DEBUG is set to "yes," it shows the command line of the invoked
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.B chzdev.
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.SH BUGS
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Gotta be some, I'm sure. If you find one, please open a bug report.
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.SH SEE ALSO
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zfcp_host_configure(8), zfcp_san_disc(8), chzdev(8)
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