src_vipa-2.0.3 (source VIPA) superseded

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src_vipa-2.0.3.tar.gz MD5 recommended (2005-02-14) superseded

Release note:

General description:

src_vipa is a recommended utility that provides a very flexible means of source address selection to arbitrary applications. This is in particular useful for high availability setups, where the dummy device holds a "VIPA" (virtual IP address). src_vipa is a User Space utility and involves no kernel changes.

Installation and configuration instructions are provided in the package.

Please read the README and manpage of src_vipa enclosed in the tarball for further information and restrictions.

src_vipa is provided under the terms of the enclosed Common Public License ("agreement"). Any use, reproduction or distribution of the program constitutes recipient's acceptance of this agreement.

This update contains fixes for the following problems:

Description:
Using 'global round robin policy' leads to error message.
Symptom:
When using 'global round robin policy' for programs which use fork or clone, an error message 'was not able to cleanup shm id xyz' is logged in syslogd.
Problem:
For every process the _fini() function is called, where all shared memory segments are removed, although it is not allowed to call the _fini() function multiple times.
Solution:
Ensure that only the father process clears the shared memory segment.
Problem-ID:
-
Description:
Write error message when using too many vipas.
Symptom:
No appropriate error message, when specifying more than the allowed number of vipas.
Problem:
Only generic error message is written.
Solution:
Write specific error message, that too many vipas have been specified.
Problem-ID:
-
Description:
Hang in socket close, when using too many sockets.
Symptom:
Program started with src_vipa opening and closing many sockets hangs.
Problem:
Algorithm for removing sockets from hash table during close was incorrect.
Solution:
Fixed algorithm.
Problem-ID:
-

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