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type_ra_126722's avatar
type_ra_126722
Icon for Nimbostratus rankNimbostratus
Feb 05, 2014

High availaibility for highly transactional applications

I have a question re the best practice for ensuring the high availability of a few applications that are highly transactional by nature.   If I have a virtual server in DC1, that is constantly wri...
availability
deployment
type_ra_126722's avatar
type_ra_126722
Icon for Nimbostratus rankNimbostratus
Feb 05, 2014

I've facilitated clever routing to ensure the traffic is routed to the appropriate DC as required. I'm more concerned around the backend. The particular VM is highly transactional, constantly writing to storage. Although the replication is synchronous, if the primary VM fails and the DR VM is then used, whats the deal around the storage element?

 

Cory_50405's avatar
Cory_50405
Icon for Noctilucent rankNoctilucent
Feb 05, 2014
Sounds like you have the storage element covered with synchronous replication. As long as that replication is reliable and has the bandwidth to do what it needs, that part should be good. You'll probably just want to set the interval and timeout values relatively low on the monitor for your VM.