It is fine if we just document somewhere a) one stack per machine or at minimum separate shells b how to work with multiple versions of a package I guess qserv/README-devel.txt would be a reasonable place for that. Jacek On 05/23/2014 01:19 PM, Kian-Tat Lim wrote: > Jacek, > >> That sort of things can be dangerous, we need to find a way to prevent >> it from happening. > > Common eups usage is to have one stack per machine with multiple > versions of each package in the stack. Having multiple completely > separate stacks is unusual and not usually recommended. If you do work > with separate stacks, you need to do so from separate shells. > >> Also, I noticed that I can't work with both at the same time, I am >> getting some sort of global lock collision. > > Aside from needing to work in separate shells, eups also keeps > some state in your ~/.eups directory, which may cause problems when > working with multiple stacks. > ######################################################################## Use REPLY-ALL to reply to list To unsubscribe from the QSERV-L list, click the following link: https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=QSERV-L&A=1