HP StorageWorks Secure Path V2.0D Service Pack 2 for IBM AIX Release Notes (T3034-98201, May 2004)

Operating considerations
14 Secure Path v2.0D Service Pack 2 for IBM AIX Release Notes
Dynamic LUNs
Storage units may be added or deleted from your overall storage configuration
without having to stop I/O and reboot the system. You can add units to the
currently active Storage System. You can also add or remove a RAID Storage
System with one or more units defined.
Adding storage units
To add storage units use the following steps:
1. Establish a connection to the storage system either through a serial port
connection or through the SWCC agent.
Note: Refer to the HP StorageWorks HSG80 ACS Solution Software Version 8.7 for
IBM AIX Installation and Configuration Guide
for more information regarding SWCC
or CLI Commands. The following examples use the CLI Commands only.
2. After a connection is established, configure the storage in the storage system.
This is accomplished with the HSGx0 CLI (Command Line Interface) ADD
command, such as ADD DISK or ADD RAIDSET.
3. The newly defined storage is assigned a unit designation (LUN) using the
ADD UNIT command. A maximum of 32 LUNs can be defined per
connection (or HBA pair) and the LUN number cannot be greater than 32
(within the connection offsets).
Note: In SCSI-3 mode., only 31 LUNs are allowed.
4. Make the new storage unit available to the IBM AIX system for use. Enter:
# cfgmgr
on the command line in the IBM AIX system. This can all be accomplished
without affecting any active processing being performed in the storage
system. Once the new storage unit is configured to the IBM AIX system it is
available for use.