Dual Storage IOA Configuration
Type options, press Enter.
2=Change detail 5=Display detail 6=I/O debug
8=Associated packaging resource(s) 9=Resources associated with controlling IOP
Resource Type- Serial
Opt Name Model Status Number Operating Mode
_ DC10 574E-001 Operational YL3028269C6B Primary Storage IOA
_ DC09 574E-001 Operational YL3028270DA0 Secondary Storage IOA
F3=Exit F5=Refresh F6=Print F12=Cancel
8. To see details about each individual adapter, type 5 (Display detail) in front of the adapter that you
want.
For additional details on how to set up a configuration, see “Installing dual storage IOA configurations”
on page 30.
Related concepts:
“Installing dual storage IOA configurations” on page 30
Use this procedure to install a dual storage I/O adapter (IOA) configuration.
SAS cabling considerations
Cabling your system correctly is one of the most important aspects of planning for a dual storage I/O
adapter (IOA) configuration. For RAID configurations that have disk expansion drawers, correct cabling
is required to provide redundancy between each adapter and the disk expansion drawer.
Follow these guidelines when you cable your system.
v For RAID configurations on a 5887 EXP 24S SFF generation-2-bay drawer, X or Y cables are used
depending on the type of adapter and mode setting of the disk expansion drawer. This criteria is to
provide redundancy for the SAS ports between each controller and disk expansion drawer and
redundancy for the SAS ports for each disk drive.
v For RAID configurations on a 5886 EXP 12S disk expansion drawer, X cables provide redundancy for
two wide SAS ports between each controller and disk expansion drawer, and it also provides
redundancy for two narrow SAS ports for each disk drive.
v For RAID configurations with a 5802 or 5803 PCIe 12X I/O drawer, AT cables are used. SAS topology
is incorporated with in the IO drawer wiring. This wiring provides redundancy similar to X cables.
v For RAID configurations with internal SAS disk slots, YR cables provide redundancy for two narrow
SAS ports between each controller and internal disk enclosure, and it also provides redundancy for two
narrow SAS ports for each disk drive.
SAS RAID controllers for IBM i 27
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