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Operating Systems AIX GPFS initial setup, but perhaps this is a SAN/VIO question Post 302739193 by kneemoe on Monday 3rd of December 2012 04:47:55 PM
Old 12-03-2012
GPFS initial setup, but perhaps this is a SAN/VIO question

I'm having some trouble getting a POC of GPFS up and running. I've read a couple install guides including a couple IBM pdfs but I'm getting stumped on something I think is fairly fundamental.... I'm trying to do this all on a single 795, right now only the VIOs have HBAs so all LUNs are pointed to those HBAs. Can I simply go into the HMC and double allocate the LUN (assign the slot to two or more LPARs) and expect that to work? Do I need to install a few more HBAs, allocate them to the individual LPARs and then have the SAN folks double or triple assign the LUNs to corresponding HBAs that way?
I tried the first way and received an error, but I'm not sure if that was because of something I'm doing wrong, or if the HMC will try to make sure I'm not doing something it thinks I don't want to do.

Thanks for your help all!
 

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HBA_GetNumberOfAdapters(3HBAAPI)	      Common Fibre Channel HBA Information Library Functions		  HBA_GetNumberOfAdapters(3HBAAPI)

NAME
HBA_GetNumberOfAdapters - report the number of HBAs known to the Common Library SYNOPSIS
cc [ flag... ] file... -lHBAAPI [ library... ] #include <hbaapi.h> HBA_UINT32 HBA_GetNumberOfAdapters(void); DESCRIPTION
The HBA_GetNumberOfAdapters() function report the number of HBAs known to the Common Library. This number is the sum of the number of HBAs reported by each VSL loaded by the Common Library. RETURN VALUES
The HBA_GetNumberOfAdapters() function returns the number of adapters known to the Common Library will be returned. EXAMPLES
Example 1: Using HBA_GetNumberOfAdapters() numberOfAdapters = HBA_GetNumberOfAdapters(); for (hbaCount = 0; hbaCount < numberOfAdapters; hbaCount++) { /* ... */ } ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Standard: FC-MI 1.92 (API | | |version 1) | +-----------------------------+-----------------------------+ | |Standard: FC-HBA Version 4 | | |(API version 2) | +-----------------------------+-----------------------------+ |MT-Level |Safe | +-----------------------------+-----------------------------+ SEE ALSO
libhbaapi(3LIB), attributes(5) T11 FC-MI Specification SunOS 5.10 1 Sep 2003 HBA_GetNumberOfAdapters(3HBAAPI)
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