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  #121 (permalink)  
Old April 21, 2011, 05:20 PM
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Quote:
Originally Posted by Dead Things View Post
Hourly backups. C'mon Alpine, are you new?
I remember backup causing issues back in the day w/ the old A2 bigadv while using a VM.
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  #122 (permalink)  
Old April 21, 2011, 05:36 PM
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DT, I use the backup option in the webconfig of linuxrouter image and its look like it not working great.
Im asking myself if the 1.6 version of this image is buggy. Should i try the version 1.5 instead ?? YES
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  #123 (permalink)  
Old April 21, 2011, 05:39 PM
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@ lowfat: Not really - it was that if you backed up at the same time as the core was writing a checkpoint, then the backup would be no good. It was tough to gauge when core checkpoints would occur since they were separate from the client checkpoints and so users had no control over them. So while it was impossible to completely avoid backing up during a core checkpoint, the risk could be mitigated by using irregular intervals for the backup. That's no longer necessary as the client checkpoints now control the core checkpoints properly. And besides, I've seen no evidence to suggest that backing up during a checkpoint pooches the backup any more. Adding an hourly backup to Ubuntu is easy. I've even written some simple verify, restore and force backup scripts.

I would guess I've had about 10 or so ^C shutdowns which damaged the WU and would have ordinarily resulted in a lost WU but were averted thanks to the hourly backup. ^C and the Linux A5 core are not friends.

@ Alpine: Unfortunately, I cannot speak intelligently about the Linuxrouter image as I haven't used it since the A2 days.
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  #124 (permalink)  
Old May 1, 2011, 09:07 PM
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I'm about 1-2 month later, but I finally compaired VM linux folding VS native linux folding:

(cpu is 2600k @ 4600mhz with 4gb 1600mhz 9-9-9-24 ram)
P6901
in VM, 23:13 tpf 55053 ppd

native linux, 22:24 tpf 58091 ppd

So nice 5% boost! perfect for rigs without gpu folding.

Oh and BTW I used the native folding image V1.3 on linuxforge.net and it's pretty easy to setup. Just burn the iso to a CD, boot the computer with the cd drive seet to boot first and follow the instructions (in fact just have to enter a command and confirm it) It will erase the first 3.6 gb of the hard drive BTW. When it's done, reboot and it boot like the way it boot with the folding image in VMware. In less than 15 minutes, it's ready to fold.
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