HP StorageWorks Secure Path 2.
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About this document This section describes the content reflected in this document, including: • Release notes information, page 3 • Intended audience, page 3 • Accessing future product updates, page 3 • Other Secure Path documentation, page 3 Release notes information These release notes cover the following major topics: • New features, page 3 • Operating system specifications, page 3 • Secure Path operational features, page 4 • Operating considerations, page 6 • Avoiding problem situations, page 11 Inten
Table 1 Supported components Host feature Requirement Platform IBM RS/6000 (PCI bus only) Operating systems AIX 5.1, AIX 5.2, or AIX 5.3 Secure Path software kit HP StorageWorks Secure Path 2.0D Service Pack 3 for IBM AIX Storage systems HSG80 RAID storage systems with dual controllers running ACS HSV100 RAID storage systems with dual controllers running VCS 3.014 or later HSV110 RAID storage systems with dual controllers running VCS 3.
Upgrading the Secure Path driver You can download the Secure Path 2.0D Service Pack 3 for IBM AIX driver from the following HP web site: http://h18006.www1.hp.com/products/sanworks/softwaredrivers/securepath/index.html NOTE: A previous version of Secure Path for IBM AIX must be installed on your system. After downloading the software, drivers, and associated documentation to a directory of your choice, install the new driver as follows: 1.
The EVA environment The EVA storage system requires unique fabric connections. For detailed information, see the following guides: • HP StorageWorks Secure Path 2.0D for IBM AIX installation guide • HP StorageWorks IBM AIX Enterprise Virtual Array installation and configuration guide Installations in an HACMP environment Use the following guidelines for installations in an HACMP environment: • The Secure Path 2.
scsi3 scsi4 sioka0 ppa0 ent0 sioma0 scsi5 scsi6 Available 30-68 Available 30-78 Available 01-K1-00 Available 01-R1 Available 10-70 (23100020) Available 10-78 (23100020) Available 10-80 Available 30-70 Adapter Available 01-K1-01 Available 20-58 Available 20-60 # lsdev hdisk0 hdisk1 hdisk2 hdisk3 hdisk4 hdisk5 hdisk6 hdisk7 -Cc disk Available Available Available Available Available Available Available Available ent1 ent2 sa3 Wide/Fast-20 SCSI I/O Controller Wide/Fast-20 SCSI I/O Controller Keyboard Adap
NOTE: If at any point, you want to see the command line smit uses to execute a function, press F6. The command line is displayed. From the smit utility System Management menu, select Devices>Cambex Fibre Channel Adapter. The following screen appears: Cambex Fibre Channel Adapter Move cursor to desired item and press Enter.
Table 2 Cambex Fibre Channel Adapter device menu Select: To: List All Cambex FC Adapters Display a brief listing of all Cambex FC I/O Controllers installed on the system. Change / Show Characteristics of a Cambex FC Adapter Display a detailed menu outlining many different adjustable parameters for the Cambex FC adapter NOTE: The only characteristic that you should change is the DMA window size. This setting must be adjusted on certain systems to detect LUNs.
Understanding hdisk-to-LUN assignments The IBM AIX cfgmgr command configures storage units, making them available for use. The hdisks assigned to the HSG80 RAID array are in sequence with the defined LUNs. This sequence can be interrupted by other devices that were defined previously by the IBM AIX system software. For example, hdisk4 through hdisk8 can be assigned to LUNs D1 through D5, hdisk9 can be another SCSI device, and hdisk10 through hdisk16 can be assigned to LUNs D6 through D12.
In the previous example, the hdisk4 assignment to LUN 0 is the Console LUN. The Console LUN is always enabled and assigned LUN 0 when in SCSI-3 mode. When operating in SCSI-2 mode, you may disable the console LUN. HP recommends that LUN 0 be reserved for the command console LUN. Reassigning storage units Prior to reassigning a storage unit to a different LUN, the current LUN must be removed (see the HP StorageWorks Secure Path 2.0D for IBM AIX installation guide). To assign a new LUN to a storage unit: 1.
Viewing LUNs after running cfgmgr If you enter the cfgmgr command, and can see the HBAs but not the LUNs, set the DMA size to 64 MB by entering the following commands: # rmdev -l scsi4 scsi4 Defined # chdev -l scsi4 -a dma_window=64M scsi4 changed # mkdev -l scsi4 Performance on Secure Path systems Avoid using multiple HBAs on the third PCI bus (pci2). Using pci2 on Secure Path systems has an adverse effect on system performance.
