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Operating Systems Linux Red Hat Multipath.conf configuration max_fds Post 302605632 by Tommyk on Thursday 8th of March 2012 03:40:20 AM
Old 03-08-2012
Yeah, most of the settings are the defaults, however this was setup by another colleague of mine who is not working on Linux and i have taken full control. I thought it's better to understand it now rather than when we have some issues in future. I have already come across a fair few other problems which ive had to sort out, and SAN disks and their configurations seemed to be the cause. Not the multipathing settings but elsewhere, udev rules were changed with no knowledge of what they affected... and i have the joyous job of picking through it all conf file by conf file to see what needs resolving.
 

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

NAME
MP_DisableAutoFailback - disable auto-failback SYNOPSIS
cc [ flag... ] file... -lMPAPI [ library... ] #include <mpapi.h> MP_STATUS MP_DisableAutoFailback(MP_OID oid); PARAMETERS
oid The object ID of the plugin or the multipath logical unit. DESCRIPTION
The MP_DisableAutoFailback() function disables auto-failback for the specified plugin or multipath logical unit. 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 AP I. MP_STATUS_INVALID_PARAMETER The oid has a type subfield other than MP_OBJE CT_TYPE_PLUGIN or MP_OBJECT_TYPE_MULTIPATH_LU. MP_STATUS_OBJECT_NOT_FOUND The oid owner ID or object sequence number is invalid. MP_STATUS_SUCCESS The operation is successful. MP_STATUS_UNSUPPORTED The API is not supported. 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_EnableAutoFailback(3MPAPI), attributes(5) Multipath Management API Version 1.0 SunOS 5.11 15 Feb 2006 MP_DisableAutoFailback(3MPAPI)
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