I am using BOINC 5_2_13 on SUSE Linux 10.0. When I tried to attach to Rosetta, I got the following error:

Thu 05 Jan 2006 09:51:16 AM IST|rosetta@home|Message from server: No work sent
Thu 05 Jan 2006 09:51:16 AM IST|rosetta@home|Message from server: (there was work but you don't have enough disk space allocated)
Thu 05 Jan 2006 09:51:16 AM IST|rosetta@home|Message from server: Not enough disk space (only 100.0 MB free for BOINC). Review preferences for minimum disk free space allowed.
Thu 05 Jan 2006 09:51:16 AM IST|rosetta@home|Successfully attached to rosetta@home

So where do I change the preferences? I do not see a menu item for this? (Sorry for ignorance, am newbie.)

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All the preferences are set on the project web pages; "your account", "general preferences", there's a section for disk space. The most likely misunderstood one is "use x %", which is "% of available free disk space every time I look", not "% of total disk space". Putting something like 50-80% in there is not unreasonable.

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Disk and memory usage
Use no more than 100 GB disk space
Leave at least 0.1 GB disk space free
Use no more than 50% of total disk space
Write to disk at most every 60 seconds
Use no more than 75% of total virtual memory

But still I get the error.

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Did you select the project in BOINC Manager and hit "update"? Did the messages tab indicate that the change "took"? If not, quit BOINC entirely and relaunch. Messages tab should indicate that the preferences have been set from the project in question...

Only other thing I can think of is if 50% of your free space is less than 0.1GB.

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Making the following change:
Leave at least 2 GB disk space free

resulted in the thing working (I think):

Thu 05 Jan 2006 06:25:55 PM IST||request_reschedule_cpus: project op
Thu 05 Jan 2006 06:25:55 PM IST|rosetta@home|Sending scheduler request to http://boinc.bakerlab.org/rosetta_cgi/cgi
Thu 05 Jan 2006 06:25:55 PM IST|rosetta@home|Reason: Requested by user
Thu 05 Jan 2006 06:25:55 PM IST|rosetta@home|Requesting 17280 seconds of new work
Thu 05 Jan 2006 06:26:00 PM IST|rosetta@home|Scheduler request to http://boinc.bakerlab.org/rosetta_cgi/cgi succeeded
Thu 05 Jan 2006 06:26:00 PM IST|rosetta@home|General preferences have been updated
Thu 05 Jan 2006 06:26:00 PM IST||General prefs: from rosetta@home (last modified 2006-01-05 18:25:43)
Thu 05 Jan 2006 06:26:00 PM IST||General prefs: using your defaults
Thu 05 Jan 2006 06:26:00 PM IST||Suspending computation and network activity - user is active

I am now working, right?

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Thu 05 Jan 2006 06:26:00 PM IST||Suspending computation and network activity - user is active

I am now working, right?

Well, you will be (hopefully) when you've been inactive long enough to pass the time you set for that preference. You can always use the Commands menu to set "run always" to test things, then go back to "based on preferences" once you're sure it's working.

I never use "work only when not active" - even my slowest old machine is fast enough that BOINC switching out of the way only takes a few milliseconds, so I never notice it's there.

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