Details
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Task
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Resolution: Done
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Major - P3
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Description
here:
http://docs.mongodb.org/master/release-notes/2.6-upgrade/
For standalone and replset cases, we don't explicitly state that upgrading from <=2.2 is unsupported. However, we probably should, and recommend that users first follow the upgrade process to reach 2.4 first. Upgrade paths from older versions are not tested so we shouldn't guarantee that they are expected to work.
(For the case of upgrading a sharded cluster there is a pretty stern warning.)