SCF Reference Manual for the Storage Subsystem (G06.24+, H06.03+)

Storage Subsystem Commands
SCF Reference Manual for the Storage Subsystem—529937-007
14-64
ALTER DISK Command
For 45xx disks:
For M8xxx Fibre Channel disks in a disk-drive enclosure:
If you configure a disk volume for use with an FCSA connected to an ESS, you
cannot specify PRIMARYDEVICEID.
PRIMARYLOCATION ( group, module, slot )
(for internal disks) is the location of the slot where the primary disk of the mirrored
volume is installed.
(for 45xx, ESS, and M8xxx magnetic disks) is the location of the adapter that
controls the primary path to the disk.
This attribute is optional if PRIMARYSAC is given in name format but required if
given in number format.
PRIMARYLUN number
specifies the logical unit number (LUN) of a primary disk device.
The ESS administrator must give you the LUN so that you can specify it in this
attribute.
The default value for PRIMARYLUN is 0.
PRIMARYPORTNAME number
specifies the Fibre Channel port name (WWN) used by the path to a primary disk
on an Enterprise Storage System (ESS).
The ESS administrator must give you the WWN so that you can specify it in this
attribute.
Enter number as a 16 character hexadecimal number, without a leading %H.
number
Is the unit number of the disk. number is in the range 1
through 7.
shelf Is the disk-drive enclosure’s shelf number. shelf is in the
range 1 through 4.
bay Is the number of the disk. bay is in the range 1 through 14.
Note. You can configure as many as 1,000 LUNs per FCSA. You can configure as many
as 125 LUNs per processor pair.