Overview: The Next Generation Mass Storage Stack (September 2009)

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Appendix A: Summary of Changes
This appendix summarizes the changes to the mass storage stack in HP-UX 11i v3. For details on command
changes, see the command manpages.
New Commands
Command Usage
scsimgr(1M)
Manages and troubleshoots mass storage.
Syntax: scsimgr [-fptv] command [identifier] [keyword]…
[argument]…
scsimgr -h [-d driver] [command]
-h Displays general help or command-specific help
information
-f Forces execution of commands
-p Displays parsable output
-t Displays terse output
-v Displays verbose output
The command can be one of the following:
get_stat
Retrieves statistics
clear_stat
Clears statistics
get_info
Retrieves status information
lun_map
Lists LUN paths of a LUN
get_attr
Gets values and description of attributes
set_attr
Changes current values of settable attributes
save_attr
Saves values of settable attributes
ddr_add
Adds settable attribute scopes for drivers
ddr_del
Removes settable attribute scopes for drivers
ddr_list
Lists settable attribute scopes for drivers
ddr_name
Creates a settable attribute scope covering a SCSI object
disable
Disables a SCSI object
enable
Enables a SCSI object
replace_wwid
Validates binding between a new LUN and LUN paths
replace_leg_dsf
Changes binding of a legacy device file to a LUN
lun_reset
Resets a LUN
warm_bdr
Performs a warm reset on a target device
cold_bdr
Performs a cold reset on a target device
set_devid
Sets device identifier for a LUN
get_devid
Retrieves device identifier for a LUN
sync_cache
Requests synchronization of a block device cache
erase
Erases blocks of an optical block device
inquiry
Performs SCSI command inquiry
The valid values for argument and keyword are dependent on the value of
command
The identifier can be one of the following:
-d driver
-D dsf
-H hw_path
-C class –I instance
-N attribute_scope