sg_rdac (8)

sg_rdac [-a] [-f=LUN] [-v] [-V] DEVICE

sg_rdac displays or modifies the RDAC controller settings via the Redundant Controller mode page (0x2C). When modifying the settings it allows to transfer the ownership of individual drives to the controller the command was received on.

-a

Transfer all (visible) devices

-f=LUN

Transfer the device identified by LUN. This command will only work if the controller supports 'Dual Active Mode' (aka active/active mode).

-v

be verbose

-V

print version string then exit

The exit status of sg_rdac is 0 when it is successful. Otherwise see the sg3_utils(8) man page.

Written by Hannes Reinecke <hare at suse dot com>, based on sg_emc_trespass.

Report bugs to <dgilbert at interlog dot com>.

Copyright © 2006-2012 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.