Alain RICHARD wrote:
Le 9 juin 08 à 11:21, Christine Caulfield a écrit :
I have updated the "Programming Locking Applications" document. Lots
of typos and bizarre sentences have been fixed (thanks Bob!). I have
also added a new section (chapter 5) which is an overview of the DLM
internals for those that want to understand a little of how and where
locks are mastered etc.
It's no substitute for reading the code but it might make it a little
easier :)
http://people.redhat.com/ccaulfie/docs/rhdlmbook.pdf
Chrissie
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You mention in this document that dlm is able to use SCTP, but I found
no information on how to do it, is there any documents about it ?
It's not (well) tested so it's regarded as unsupported at the moment. If
you want to test it you'll need to add this to cluster.conf (inside the
<cluster> tags:
<dlm protocol="sctp"/>
and the following sysctls to keep SCTP itself happy"
# echo 4194304 > /proc/sys/net/core/rmem_default
# echo 4194304 > /proc/sys/net/core/rmem_max
Chrissie
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