Distributed.net on the empeg

Posted by: drakino

Distributed.net on the empeg - 11/12/2002 23:58

Ok, it's about time I officially start this project again, as the last time I did, my empeg had a serial number of 00359.

The first step failed, running the client. Bug 3000 is filed, hopefully the client will be fixed soon.
Posted by: peter

Re: Distributed.net on the empeg - 12/12/2002 03:58

Bug 3000

Dude, it told you what the problem is. CONFIG_SYSVIPC is not enabled in stock kernels.

Peter
Posted by: frog51

Re: Distributed.net on the empeg - 12/12/2002 08:24

Drakino - if dnet get a workaround for the SYSVIPC issue and provide a version which works for us, please let us know. I generally run it on most of my sgi boxes (for raw power) but it's definitely cooler to crack while driving
Posted by: drakino

Re: Distributed.net on the empeg - 12/12/2002 10:24

Dude, it told you what the problem is. CONFIG_SYSVIPC is not enabled in stock kernels.

I know, but the older clients used to work fine, so it probably dosen't really need that to function. Talking on #Distributed, they seem interested in fixing it, hence the bug report.
Posted by: drakino

Re: Distributed.net on the empeg - 13/01/2003 10:34

The maintainer of the Arm Linux client responded to the bug, he's going to release a pthreads version, thus making it compatible with the empeg again.

I figure I'll set up the client similar to the way I did back on my Mark 1. The buffers will be held in a ramdisk, as the client enjoys frequently writing to them. Then, on a timeout, the buffers will be copied from the ramdisk to the harddisk. Any suggestions on the timeout? I think last time I used seven minutes, that seemed to be a good balance to catch the short car trips, and also infrequent enough that the disks shouldn't be in rw mode too often. The actual rw time back then was about 2 - 4 seconds not including spinup time, I'm sure now that could be a bit quicker. Also, I only rwed the one partiton I had the buffers stored on, not everything.
Posted by: frog51

Re: Distributed.net on the empeg - 14/01/2003 06:01

Are you going to set it up with something like a /dnet partition and just rw that? I wonder if this is also the kind of thing that ext3 could make even safer - I am just looking for some justification to go ext3 because I want to play with it but I really have no need to
Posted by: tman

Re: Distributed.net on the empeg - 14/01/2003 07:08

Do you want a version of the kernel with SysV IPC turned on? It'll take 5 minutes for me to do...

- Trevor
Posted by: drakino

Re: Distributed.net on the empeg - 23/01/2003 18:36

Do you want a version of the kernel with SysV IPC turned on? It'll take 5 minutes for me to do...

No need, but thanks for the offer. I haven't had any time to look into this recently. By the time I do, the newer client will probably be out with the fix for the SysV IPC issue.