NFSv4 or GFSv2 are your best bets for file systems with proper lock
sharing semantics (other commercial FS that have proper cluster-aware
lock sharing should work too, but aren't widely tested/supported-- like
Veritas, etc)
On 5/7/16 4:06 PM, Tim Bain wrote:
I've never seen anyone use Samba to share a KahaDB directory; are you sure
that Samba provides file-locking semantics that are compatible with
master/slave KahaDB? NFSv4 is what I've typically seen done, and unless
you've found an article or a wiki page that says that Samba is supposed to
work for your use case, I'd expect that's why it's not working as you want
it to.
Tim
On May 7, 2016 9:24 AM, "srikanth.april30" <srikanth.apri...@gmail.com>
wrote:
Hi Tim,
Thanks for your reply.
I have used the shared filesystem concept (refering
http://activemq.apache.org/shared-file-system-master-slave.html) and tried
to design the master slave cluster in two different machines. Below is the
enivronment details:
apache-activemq-5.13.3
Two Systems(local-master broker and remote-slave broker ) with Ubuntu
Operating system
Created a Shared folder in local system and given all read and write access
to the kahadb folder.
In local system activemq's directory I have configured the activemq.xml
file
with the below configuration:
<persistenceAdapter>
<kahaDB directory="/home/Downloads/sharedFolder/kahadb"/>
</persistenceAdapter>
<networkConnectors>
<networkConnector uri="static:(tcp://ip address of remote
system:61617)"/>
</networkConnectors>
In Remote system activemq's directory I have configured the activemq.xml
with the below configuration:
<persistenceAdapter>
<kahaDB directory="smb://ip address of local
system/pathto/sharedFolder/kahadb"/>
</persistenceAdapter>
<networkConnectors>
<networkConnector uri="static:(tcp://ip address of local
system:61616)"/>
</networkConnectors>
And When I start the client program and place the messages (say some 30
messages) into the queues I have observed that the shared directory is not
working properly. I stopped the master broker after 6 messages are placed
then remote slave broker has taken the placing messages task but only 24
messages are shown in the queue UI. The first 6 messages are not shared
with
the slave broker.
Is there are configuration part I missed ? Can you please help me in the
configuration part?
Thanks
Srikanth
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