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SG_RDAC(8) SG3_UTILS SG_RDAC(8)
NAME
sg_rdac - display or modify SCSI RDAC Redundant Controller mode page
SYNOPSIS
sg_rdac [-6] [-a] [-f=LUN] [-v] [-V] DEVICE
DESCRIPTION
sg_rdac displays or modifies the RDAC controller settings via the Redundant Controller
mode page (0x2C). When modifying the settings it allows one to transfer the ownership of
individual drives to the controller the command was received on.
OPTIONS
-6 Use the 6 byte cdb variants of the SCSI MODE SENSE and MODE SELECT commands. The
default action (in the absence of this option) is to use the 10 byte cdb variants.
-a Transfer all (visible) devices
-f=LUN Transfer the device identified by LUN. This command will only work if the con-
troller supports 'Dual Active Mode' (aka active/active mode). LUN is a decimal
number which cannot exceed 31 when the -6 option is given, otherwise is cannot ex-
ceed 255.
-v be verbose
-V print version string then exit
EXIT STATUS
The exit status of sg_rdac is 0 when it is successful. Otherwise see the sg3_utils(8) man
page.
AUTHOR
Written by Hannes Reinecke <hare at suse dot com>, based on sg_emc_trespass.
REPORTING BUGS
Report bugs to <dgilbert at interlog dot com>.
COPYRIGHT
Copyright (C) 2006-2017 Hannes Reinecke, Douglas Gilbert.
This software is distributed under the GPL version 2. There is NO warranty; not even for
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
sg3_utils-1.43 November 2017 SG_RDAC(8)
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