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Full Discussion: storage disk details
Operating Systems Linux Red Hat storage disk details Post 302605902 by shrshah64 on Friday 9th of March 2012 02:21:18 AM
Old 03-09-2012
Thanks DukeNuke2...

I just tried to search path to LUN's for current env.. got following output..

Code:
[root@ mapper]# multipath -l
Mar 10 03:14:48 | /etc/multipath.conf does not exist, blacklisting all devices.
Mar 10 03:14:48 | A sample multipath.conf file is located at
Mar 10 03:14:48 | /usr/share/doc/device-mapper-multipath-0.4.9/multipath.conf
Mar 10 03:14:48 | You can run /sbin/mpathconf to create or modify /etc/multipath.conf
Mar 10 03:14:48 | DM multipath kernel driver not loaded


I am actually new to this, can you please guide where exactly i need to search in system..

Warm regards!

Last edited by DukeNuke2; 03-09-2012 at 09:24 AM..
 

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

NAME
MP_GetMultipathLus - return a list of multipath logical units SYNOPSIS
cc [ flag... ] file... -lMPAPI [ library... ] #include <mpapi.h> MP_STATUS MP_GetMultipathLus(MP_OID oid, MP_OID_LIST **ppList); PARAMETERS
oid The object ID of the plugin or device product object. 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 MP_OID_LIST that contains the object IDs of all the (multipath) logical units associated with the specified plugin object ID. DESCRIPTION
The MP_GetMultipathLus() function returns a list of multipath logical units associated to a plugin. 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 that cannot be written, or when oid has a type subfield other than MP_OBJECT_TYPE_DEVICE_PRODUCT or MP_OBJECT_TYPE_PLUG IN. 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 plugin for the specified 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_GetMultipathLus(3MPAPI)
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