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World Community Grid Forums
Category: Support
Forum: BOINC Agent Support
Thread: Migrate to new computer |
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Thread Status: Active Total posts in this thread: 12
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Arnedanc
Cruncher Joined: Apr 15, 2008 Post Count: 2 Status: Offline Project Badges: 
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Hi!
Somewhere in this huge forum, there is a step by step guide how to migrate BOINC from one computer to a new one. (Moving from Win 7 to Win 10, but will keep the Win 7 system without BOINC). Can anyone point me to this guide? //Arne. |
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pramo
Veteran Cruncher USA Joined: Dec 14, 2005 Post Count: 715 Status: Offline Project Badges: 
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Why not
----------------------------------------Install BOINC and attach your projects on the new pc using the same credentials as you're using on the Win7 box. On the Win7 box, tell BOINC No new tasks for all projects and let everything finish. Update all projects to send everything back then remove all projects and uninstall BOINC. Everything would stay on/under your existing account...  |
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Arnedanc
Cruncher Joined: Apr 15, 2008 Post Count: 2 Status: Offline Project Badges:
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Thanks.
That was exactly what I needed. |
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katoda
Senior Cruncher Poland Joined: Apr 28, 2007 Post Count: 172 Status: Offline Project Badges: 
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Just to complicate things a bit, I would add that those steps will result in registering a new device in BOINC. If you do not want this, simply let all BOINC tasks finish, install BOINC on the new machine (without registering it) and copy BOINC data folder (usually C:\ProgramData\BOINC, if memory servers me well) to the new PC to the same place.
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noderaser
Senior Cruncher United States Joined: Jun 6, 2006 Post Count: 297 Status: Offline Project Badges: 
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If it's not the same hardware, won't BOINC just create a new host anyway when it sees the details don't match?
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Sgt.Joe
Ace Cruncher USA Joined: Jul 4, 2006 Post Count: 7846 Status: Offline Project Badges: 
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If it's not the same hardware, won't BOINC just create a new host anyway when it sees the details don't match? Not necessarily. I run some of my systems on flash drives. When I shut down one system and want to start another system, I simply unplug the flash drive from one and plug it into the the second one. At least WCG still thinks it is the same machine. This works for Linux, but I do not know if it would work for Windows. Cheers
Sgt. Joe
*Minnesota Crunchers* |
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noderaser
Senior Cruncher United States Joined: Jun 6, 2006 Post Count: 297 Status: Offline Project Badges:
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Not necessarily. I run some of my systems on flash drives. When I shut down one system and want to start another system, I simply unplug the flash drive from one and plug it into the the second one. At least WCG still thinks it is the same machine. This works for Linux, but I do not know if it would work for Windows. Are you running any projects besides WCG? I know some other projects are very picky about host details, which I know will prevent merging (example, same host that got a clean install of Windows 7 couldn't be merged with its previous Windows Vista iteration) but I guess I don't really know how that would be handled with something like a USB stick. I just did a hard drive clone/transplant on my iMac using Carbon Copy cloner to do an OS upgrade (old one was giving SMART errors) and some of the projects decided to create new host entries after everything was done. Fortunately, I was able to merge most of them. I don't see that WCG did that, but I also haven't completed any actual work, just checked in with the server. |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
[Because] WCG has no merging facilities, some 'lets see if we can recognize this host' rules were written to prevent new device id assigning every time a host is reinstalled. Since the account info is carried across and mostly seems to not kick the re-identification rules when copying the BOINC data directory across, these USB installs work. Important is, the host never gets to communicate until the data has been copied successfully i.e. after porting, the client is started off-line [communication stopped before shutting down on old host] and verified to run correctly before comms are switched on again. Same internal IP definitely helps as well as same host name [If the old comp network name was cruncher01, the new best is also named cruncher01 and the old, if kept, named to something else to not get LAN conflicts].
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Sgt.Joe
Ace Cruncher USA Joined: Jul 4, 2006 Post Count: 7846 Status: Offline Project Badges:
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Are you running any projects besides WCG? No, WCG is the only one. There are enough worthy projects here to keep my machines busy without searching around for others (even though there are other worthy projects out there.) Cheers
Sgt. Joe
*Minnesota Crunchers* |
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katoda
Senior Cruncher Poland Joined: Apr 28, 2007 Post Count: 172 Status: Offline Project Badges:
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If it's not the same hardware, won't BOINC just create a new host anyway when it sees the details don't match? Other crunchers already put some info, from my side I can reassure that moving WCG BOINC directory across different PCs doesn't cause registering a new device. I did it several times, moved WCG BOINC data folder between machines with different hardware (e.g. from 2-core to 4-core) and different Windows versions (e.g. from Windows XP to Windows 10) and it worked every time. Of course, it is not "officially approved" and is a bit tricky, but those who know what a device is and want to limit their number surely will do whatever possible to prevent a new device registration  [Edit 1 times, last edit by katoda at Feb 27, 2017 1:18:07 PM] |
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