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From ishmeister <ibh...@visibilityltd.com>
Subject Re: Active MQ Shared File System Master Slave with Elastic File System
Date Fri, 02 Sep 2016 22:17:44 GMT
The issue is perhaps that EFS supports NFS4 but with the following
limitations:

http://docs.aws.amazon.com/efs/latest/ug/nfs4-unsupported-features.html

In particular: "All locks in Amazon EFS are advisory, which means that READ
and WRITE operations do not check for conflicting locks before the operation
is executed."

Whereas the ActiveMQ docs seem to be quite clear on this matter: "Note that
the requirements of this failover system are a distributed file system like
a SAN for which exclusive file locks work reliably."

http://activemq.apache.org/shared-file-system-master-slave.html

So I guess that effectively rules out using EFS.



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