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Operating Systems Linux Red Hat Multipath.conf configuration max_fds Post 302604981 by Tommyk on Tuesday 6th of March 2012 11:43:44 AM
Old 03-06-2012
Thanks for your reply, its more than i was hoping for on this. I know if you don't set the max_fds its default is just the maximum that the system can handle.

I haven't had much involvement with multipathing so i am trying to understand as much as i can to provide the best performance and reliability.
 

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MP_GetMPLuOidListFromTPG(3MPAPI)		   Common Multipath Management Library Functions		  MP_GetMPLuOidListFromTPG(3MPAPI)

NAME
MP_GetMPLuOidListFromTPG - return a list of object IDs SYNOPSIS
cc [ flag... ] file... -lMPAPI [ library... ] #include <mpapi.h> MP_STATUS MP_GetMPLuOidListFromTPG(MP_OID oid, MP_OID_LIST **ppList); PARAMETERS
oid The object ID of the target port group. ppList A pointer to a pointer to an object ID that has type MP_OID_LIST structure. With a successful return, this contains a pointer to an object ID that has type MP_OID_LIST that contains the object IDs of all the (multipath) logical units associated with the specified target port group. DESCRIPTION
The MP_GetMPLuOidListFromTPG() function returns the list of object IDs for the multipath logical units associated with the specific target port group. When the caller is finished using the list, it must free the memory used by the list by calling MP_FreeOidList. RETURN VALUES
MP_STATUS_INVALID_OBJECT_TYPE The oid does not specify any valid object type. This is most likely to happen if an uninitialized object ID is passed to the API. MP_STATUS_INVALID_PARAMETER The pplist is null or specifies a memory area to which data cannot be written, or when the oid has a type subfield other than MP_OBJECT_TYPE_TARGET_PORT. MP_STATUS_OBJECT_NOT_FOUND The oid owner ID or object sequence number is invalid. MP_STATUS_SUCCESS The operation is successful. MP_STATUS_FAILED The multipath logical unit list for the specified target port group object ID is not found. MP_STATUS_INSUFFICIENT_MEMORY A memory allocation failure occurred. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Standard: ANSI INCITS 412 | | |Multipath Management API | +-----------------------------+-----------------------------+ |MT-Level |Safe | +-----------------------------+-----------------------------+ SEE ALSO
libMPAPI(3LIB), MP_GetMPLogicalUnitProperties(3MPAPI), attributes(5) Multipath Management API Version 1.0 SunOS 5.11 15 Feb 2006 MP_GetMPLuOidListFromTPG(3MPAPI)
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