We cloned our production instances of Jira andFisheye to run as a test environment.
However, we were considering adding some functionality, such as installing Stash and Crucible, as well as upgrading Fisheye (currently on v2.7.1) and Jira (currently on v4.4). We were hoping that we could do at least most of that safely in our test environment (so as to limit downtime). Then when the time comes, we could simply do a dump of the Jira and Fisheye databases and copy them over to our test environment. Basically, we'd switch the two.
Has anyone done something like this? Could we at least do a portion of this in the test environment before cutting over or is it better to do an in-place upgrade?