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Re: [openMosix-general] Migrating VMware instances
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From: <ope...@ew...> - 2006-01-12 23:22:31
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On Thu, 12 Jan 2006, Trevor Warren wrote: > Hey Guys, > > At work we areplaying around with quite a few virtualised environments. I > should admit that our benchmarks have prooven that Vmware has huge > performance overheads and is an overkill for critical-cpu_io intensive > applications. But the vmware suite of tools is the most complete as compared > to other vendors. QEMU supports tun/tap for solid network support and since it will run in userland (w/o the accelerator), it may migrate on an openmosix cluster. Can someone see if they can boot a few linux floppy images or something and migrate them? -Eric > On 1/12/06, Dave Pippenger <ri...@pa...> wrote: > > > > > > In my searches for an answer I turned up this old post > > > > http://sourceforge.net/mailarchive/message.php?msg_id=9719541 > > > > It refers to a magical ftp site that no longer seems to have the > > advertised content. The poster was not the creator of the content and the > > email address protection prevents me from asking the poster if he still > > has the content. So does anyone have a copy of the howto docs and custom > > source that used to live at > > > > ftp://ftp.bpa.gov/downloads/software/openMosix/ > > > > Dave Pippenger > > > > > > On Thu, 5 Jan 2006, Dave Pippenger wrote: > > > > > > > > If anyone is curious about my reasoning for wanting to do this, I have a > > > number of dev systems running on VMs. Each server uses different levels > > of > > > CPU at any given time depending on the development cycle of each group. > > It > > > ends up being a very large pain to manage 100 or so of these VMs spread > > > across 30 dual proc boxes and keep two people from butting heads with > > the cpu > > > on a given box. OM seemed to be a pretty good answer to my issue > > allowing me > > > to just provision everyone on the master node and have OM > > > deal with the cpu/memory distribution. My VMs are all linux, so I'm not > > tied > > > to VMware if anyone knows of another project that works well with OM. I > > > didn't see any interesting hints that bochs or plex86 would work, and I > > know > > > due to kernel hooks UML is pretty much not an option. > > > > > > The FAQ and vague reports from other users on the list running VMware > > under > > > OM is what inspired me to believe it was a workable setup. > > > > > > Dave Pippenger > > > > > > > > > On Thu, 5 Jan 2006, Dirk Eddelbuettel wrote: > > > > > >> > > >> Dave, > > >> > > >> On 5 January 2006 at 14:05, Dave Pippenger wrote: > > >> | I read through the FAQ and came across the entry for VMware that > > >> | indicated > > >> | openmosix owuld load balance several instances of VMware. When I > > tried > > >> | to > > >> | do this using vmware-gsx I was faced with the VMware processes being > > >> | locked on the home node with these flags (monkey, mmap_dev, > > clone_vm, > > >> | direct_io). I tried altering the VM config by removing devices like > > >> | floppy > > >> | that could have lead to locking, but in the end I was unable to get > > any > > >> | level of success. > > >> | > > >> | I'm running a 2.4.27 based om kernel using the migshm patches. My > > VMware > > >> | is somewhat dated being version 3.1.0 but I have seen no indication > > of a > > >> | particular version that was better at migration than any other. If > > >> | anyone > > >> | who has had positive experience with this could let me know what > > kind of > > >> | config they were using it would be of great assistance. > > >> > > >> I can't offer much help. I tried something similar recently using the > > >> newer > > >> VMware Player, but didn't get the 2.4.27 oM kernel to migrate > > processes > > >> between the two instances I was running. I posted a few notes on the > > >> quantian-general list about that. > > >> > > >> So if anybody has pointers or leads on openMosix inside VMware, I'd > > like > > >> to > > >> hear them too. > > >> > > >> Regards, Dirk > > >> > > >> -- > > >> Hell, there are no rules here - we're trying to accomplish something. > > >> -- Thomas A. Edison > > >> > > > > > > > > > ------------------------------------------------------- > > > This SF.net email is sponsored by: Splunk Inc. Do you grep through log > > files > > > for problems? Stop! Download the new AJAX search engine that makes > > > searching your log files as easy as surfing the web. DOWNLOAD SPLUNK! > > > http://ads.osdn.com/?ad_id=7637&alloc_id=16865&op=click > > > _______________________________________________ > > > openMosix-general mailing list > > > ope...@li... > > > https://lists.sourceforge.net/lists/listinfo/openmosix-general > > > > > > > > > > > > ------------------------------------------------------- > > This SF.net email is sponsored by: Splunk Inc. Do you grep through log > > files > > for problems? Stop! Download the new AJAX search engine that makes > > searching your log files as easy as surfing the web. DOWNLOAD SPLUNK! > > http://ads.osdn.com/?ad_id=7637&alloc_id=16865&op=click > > _______________________________________________ > > openMosix-general mailing list > > ope...@li... > > https://lists.sourceforge.net/lists/listinfo/openmosix-general > > > > > > -- > ___________________________________ > ( >- / Scaling FreeSoftware & OpenSource \ -< ) > /~\ / In the Enterprise \ /~\ > | \) \ | www.fsf.org | www.opensource.org | / (/ | > |_|_ \____________________________________/ _|_| > > An eye for an eye will soon turn the world blind - MKG > -- Eric Wheeler Vice President National Security Concepts, Inc. PO Box 3567 Tualatin, OR 97062 http://www.nsci.us/ Voice: (503) 293-7656 Fax: (503) 885-0770 |