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Full Discussion: NPIV custom WWN
Operating Systems AIX NPIV custom WWN Post 302704753 by ross.mather on Sunday 23rd of September 2012 04:47:58 AM
Old 09-23-2012
Just remember hat when you change the WWN of the Virtual Fibre Card that you need to change any SAN zoning you have for that LPAR, and more importantly make sure that the WWN isn't in use anywhere else on your SAN.
 

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

NAME
HBA_OpenAdapter, HBA_OpenAdapterByWWN, HBA_CloseAdapter - open and close a specific adapter SYNOPSIS
cc [ flag... ] file... -lHBAAPI [ library... ] #include <hbaapi.h> HBA_HANDLE HBA_OpenAdapter(char *adaptername); HBA_STATUS HBA_OpenAdapterByWWN(HBA_HANDLE *handle, HBA_WWN wwn); void HBA_CloseAdapter(HBA_HANDLE handle); PARAMETERS
adaptername the name of the adapter to open, as returned by HBA_GetAdapterName(3HBAAPI) handle HBA_OpenAdapterByWWN() a pointer to an HBA_HANDLE HBA_CloseAdapter() the open handle of the adapter to close, as returned by HBA_OpenAdapter(3HBAAPI) wwn the WWN to match the Node WWN or Port WWN of the HBA to open DESCRIPTION
The HBA_OpenAdapter() function opens the adapter specified by adaptername and returns a handle used for subsequent operations on the HBA. The HBA_OpenAdapterByWWN() function opens a handle to the HBA whose Node or Port WWN matches the wwn argument. The HBA_CloseAdapter() function closes the open handle. RETURN VALUES
Upon successful completion, HBA_OpenAdapter() returns a valid HBA_HANDLE with a numeric value greater than 0. Otherwise, 0 is returned. The HBA_OpenAdapterByWWN() function returns the following values: HBA_STATUS_OK The handle argument contains a valid HBA handle. HBA_STATUS_ERROR_ILLEGAL_WWN The wwn argument is not a valid port WWN on the specified HBA. HBA_STATUS_ERROR_AMBIGUOUS_WWN The WWN is matched to multiple adapters. HBA_STATUS_ERROR An error occurred while opening the adapter. EXAMPLES
Example 1: Open an adapter. The following example opens the specified adapter. handle = HBA_OpenAdapter(adaptername); if (handle == 0) { fprintf(stderr, "Unable to open HBA %d with name " ""%s". ", hbaCount, adaptername); continue; } 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
HBA_GetAdapterName(3HBAAPI), HBA_OpenAdapter(3HBAAPI), libhbaapi(3LIB), attributes(5) T11 FC-MI Specification SunOS 5.10 1 Sep 2003 HBA_OpenAdapter(3HBAAPI)
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