SG_EMC_TRESPASS(8) SG3_UTILS SG_EMC_TRESPASS(8)NAME
sg_emc_trespass - Changes ownership of a LUN from another Service-Processor 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. Otherwise 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 (C) 2004 Lars Marowsky-Bree, Douglas Gilbert.
This software is distributed under the GPL version 2. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PUR-
POSE.
sg3_utils-1.23 January 2007 SG_EMC_TRESPASS(8)
Check Out this Related Man Page
SCSI_START(8) SG3_UTILS SCSI_START(8)NAME
scsi_start - start one or more SCSI disks
SYNOPSIS
scsi_start [--help] [--verbose] [--wait] DEVICE [DEVICE]*
DESCRIPTION
This bash shell script calls the sg_start utility on each given DEVICE. The purpose is to spin up (start) each given DEVICE.
OPTIONS
Arguments to long options are mandatory for short options as well.
-h, --help
print out the usage message then exit.
-v, --verbose
increase level or verbosity.
-w, --wait
wait for the spin up (start) on each given DEVICE to complete. The default action is to do each start in immediate mode.
NOTES
If a large number of disks are spun up at the same time (i.e. without the --wait option) then the power supply may be overloaded.
EXIT STATUS
The exit status of this script is 0 when it is successful. Otherwise the exit status is that of the last sg_start utility called. See the
sg3_utils(8) man page.
AUTHORS
Written by D. Gilbert
COPYRIGHT
Copyright (C) 2009-2013 Douglas Gilbert
This software is distributed under a FreeBSD license. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PUR-
POSE.
SEE ALSO
sg_start (sg3_utils)
sg3_utils-1.36 May 2013 SCSI_START(8)
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