Debugging unmounting problems with DTrace
Friday, March 2nd, 2012Posted by csiden
The Analysis A few weeks ago I ran in to a reoccurring problem during the unit tests for our product, the important part of the error message was always something like: cannot unmount ‘/test-domain/group-0/container-22/temp’: Device busy could not destroy ‘test-domain’: could not unmount datasets A little investigation showed that error message was coming from a [read more]