Operating Systems Linux Red Hat Linux PaceMaker Equivalent to a SharedAddress Resource Type Post 303041715 by mrmurdock on Monday 2nd of December 2019 11:31:22 AM
Linux PaceMaker Equivalent to a SharedAddress Resource Type

In HA platforms, there is the concept of a "Scalable Resource Type, which included the sharedaddress" that is used in commonly Web Servers resource groups. The sharedaddress resource type is provided so a developer can use this Resource type to build their own scalable resource group. I see PaceMaker provides a Apache Resource type, but I do not believe its generic to create your own group to use the sharedAddress ability with. Red Hat support seems to be confounded by the concept, it also could be I am not explaining it correctly. Most anyone who has any type of HA Application background should be able to understand the concept I am talking about.
Does PaceMaker provide a sharedAddress or similiar concept, resource type to roll your own Scalable Resource Group?

Last edited by rbatte1; 1 Week Ago at 01:37 PM.. Reason: Corrected spelling in title
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Resource(3I)															      Resource(3I)

Resource - shared object SYNOPSIS
#include <InterViews/resource.h> DESCRIPTION
Resource is a class that provides a simple form of reference counting for shared objects. Every resource has a reference count that is initially set to zero and must be explicitly incremented through a call to Reference. A resource should not be deleted like other objects; instead, the static member function unref should be used to unreference the object. When a resource is unreferenced, the reference count is decremented unless it is already zero. If the count is zero, the object is destroyed. PUBLIC OPERATIONS
Resource() Create a new resource object with its reference count set to zero. void ref() Increment the resource's reference count. void unref() Decrement the resource's reference count, if it is positive, and delete this if the count is zero. static void ref(Resource*) If the resource is not nil, call ref on it. Otherwise do nothing. static void unref(Resource*) If the resource is not nil, call unref on it. Otherwise do nothing. void Reference() This function is equivalent to ref and is provided solely for backward compatibility. It will be removed in a future version. void Unreference() This function is equivalent to unref and is provided solely for backward compatibility. It will be removed in a future version. FRIEND OPERATIONS
void Unref(Resource*) This function is equivalent to static unref and is provided solely for backward compatibility. It will be removed in a future ver- sion. BUGS
This scheme relies on manual referencing, which is more efficient, but also more dangerous. When garbage collection is supported by the runtime system, resources will be unnecessary. InterViews Reference Manual Resource(3I)

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