sg_emc_trespass man page on Scientific
[printable version]
SG_EMC_TRESPASS(8) SG3_UTILS SG_EMC_TRESPASS(8)
NAME
sg_emc_trespass - Changes ownership of a LUN from another Service-Pro‐
cessor to this one.
SYNOPSIS
sg_emc_trespass [-d] [-hr] [-s] [-V] DEVICE
DESCRIPTION
sg_emc_trespass sends an EMC-specific Trespass Command to the DEVICE
with the selected options. This Mode Select changes the ownership of
the LUN of the device from another Service-Processor to the one the
command was received on.
OPTIONS
Arguments to long options are mandatory for short options as well.
-d outputs some extra debug information associated with executing
this command
-hr Sets the 'Honor Reservation' bit in the command. If set, the
trespass will only succeed to change the ownership from the Peer
SP if the Peer SP does not have an outstanding SCSI reservation
for the LUN. By default, the reservation state will be ignored.
-s Send the short version of the trespass command instead of the
long version. The short version is supported on the EMC FC5300,
FC4500 and FC4700. The long version (default) is supported on
the CLARiiON CX and AX family arrays.
-V print out version string then exit.
In the 2.4 series of Linux kernels the DEVICE must be a SCSI generic
(sg) device. In the 2.6 series block devices (e.g. SCSI disks and DVD
drives) can also be specified. For example "sg_start 0 /dev/sda" will
work in the 2.6 series kernels.
EXIT STATUS
The exit status of sg_emc_trespass is 0 when it is successful. Other‐
wise see the sg3_utils(8) man page.
AUTHOR
Written by Lars Marowsky-Bree, based on sg_start.
REPORTING BUGS
Report bugs to <dgilbert at interlog dot com>.
COPYRIGHT
Copyright © 2004 Lars Marowsky-Bree, Douglas Gilbert.
This software is distributed under the GPL version 2. There is NO war‐
ranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PUR‐
POSE.
sg3_utils-1.23 January 2007 SG_EMC_TRESPASS(8)
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