Cluster-aware Tentacles

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Ryan Adler commented
In fact, all that needs to be done is to enable multiple full installations of tentacles on a server, in different directories. These can then be added to cluster resources.
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Ryan Adler commented
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Piers Williams commented
One way to make dealing with clusters easier would be to allow deployment steps to be limited in the number of times they run (ie scope the step to run across both nodes in the cluster, but limit it to only running at least once). This is useful when deploying to cluster services, like SQL Server, which can be deployed to remotely.
I've raised this suggestion to cater for that:
http://octopusdeploy.uservoice.com/forums/170787-general/suggestions/9569970-ability-to-globally-limit-number-of-times-a-step-w