SCF Reference Manual for the Storage Subsystem (G06.27+, H06.04+)

Storage Subsystem Commands
SCF Reference Manual for the Storage Subsystem—529937-008
14-62
ALTER SCSI Command
PROGRAM [[$vol.]subvol.]fileid
is the object file name of the IOP. If not specified, PROGRAM is:
$SYSTEM.SYSTEM.TDSCSI
If you specify the program file name location as $SYSTEM.SYSTEM, the operating
system first searches for the file there and on the current SYSnn subvolume.
RECSIZE number
is the configured record size for the device (in number of words). This value is
used by some utility programs when making requests to the IOP. number is in the
range 1 through 57344. The default is 4096.
SCSIID number
is the device ID of the Open SCSI device. Each device on the same SCSI
interface must have a unique device ID. number is in the range 0 through 15 (6
and 7 are reserved for the adapters). The default is 2.
STARTSTATE { STARTED | STOPPED }
specifies whether the IOP is available to other processes (STARTED) or
unavailable (STOPPED) when the system is loaded or reloaded. The default is
STARTED.
STRUCTAREASIZE number
is the size (in kilobytes) of the memory area used for data structures. number is in
the range 16 through 32. The default is 24.
TRACEBUFLEN number
is the size (in kilobytes) of the memory area used for internal tracing by the Open
SCSI IOP. number is in the range 32 through 65. The default is 33.
TRACELEVEL number
is the level of tracing used by the Open SCSI IOP. number is in the range 0
through 65,535. The default is 65,535.
ALTER SCSI Example
See the procedure for Altering Open SCSI Attribute Values on page 12-9.
To change the value of the SCSIID attribute:
-> ALTER $DEV1, SCSIID 5