Questions and Answers : Macintosh : Moving models between machines
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Send message Joined: 13 Sep 04 Posts: 60 Credit: 1,124,063 RAC: 0 |
Hi I\'ve one machine which is crunching 24/7 and will finish two models in about two days time. I have another machine is which being used maybe 1 hour per day, and at the present rate will take 18 months to finish some of the work. Once the 1st machine is done, can I transfer the models to the other machine? Both Core 2 Duo, both OS X 10.5.6 . The \"slow\" machine is on BOINC 5, the faster one BOINC 6, so I can upgrade to BOINC before any transfer. I assume the BOINC data directory does not contain information on the host, so I\'m not sure how it works when tasks jump between hosts. Maybe I can\'t do this. I have upped the shared memory for BOINC 6 compatibility. Many thanks in advance, e |
Send message Joined: 9 Jan 07 Posts: 467 Credit: 14,549,176 RAC: 317 |
In principle that\'s a good plan if you\'re going to retire the low-use machine: otherwise I would just let them chug away - the project is grateful for any complete model, even if they take a long time. So, upgrade the low-use machine to the same version of BOINC as the high-use machine, then copy the data folder across. In practice there may some unintended consequences: BOINC may realise there has been a switch and mark the model as \"client detached\" on the work unit page (I\'ve never quite figured out all the circumstances in which it does this) - which is just a presentational thing: the model will carry on running and credits will still be allocated. The graphs might stop updating as well. BOINC will also spot the host change and generate a new host on the Web site. Once the transferred models have completed the installation will behave normally. I don\'t know whether there are any specific Mac issues - sorry. |
Send message Joined: 13 Sep 04 Posts: 60 Credit: 1,124,063 RAC: 0 |
Hi, thanks for the info. I think I\'ll hold off the move right now. You\'re right, the more CPUs the merrier. That and it\'d involve moving ~ 1.5GB of data between two countries! Cheers, e |
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