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There are also some serious performance issues with I/O. Xen is a much |
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better way to go in the long run. See |
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|
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http://bugs.gentoo.org/show_bug.cgi?id=70161 |
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|
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for the team that's working to bring Xen to life in Gentoo, and the Xen |
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home page at |
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|
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http://www.cl.cam.ac.uk/Research/SRG/netos/xen/performance.html |
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|
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|
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|
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Matthew Marlowe wrote: |
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|
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>ESX is a completely different beast than workstation, or GSX for that matter. |
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> |
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>Good: |
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>- Very, very stable |
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>- The only real vmware software designed for server apps |
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>- Performance VM QoS for disk, cpu, network, etc |
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>- Easily run 30-40 VM's on a strong box w/ good mem |
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>- Deals with lots of NIC's assigned to different vm's |
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>- Per VM User Access Policies |
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>- Very nice realtime performance reporting |
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> |
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>Bad: |
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>- Dont use for apps that really need performance of |
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>dedicated boxes |
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>- Not cheap, especially if get all the management add ons. |
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>- Setting up some of the networking is more complicated than |
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>it needs to be. |
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>- Not very good w/ linux 2.6 kernel support yet (read, dont do it) |
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>- I don't find the rollback, and cloning functionality as useful |
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>as others. In fact, I've seen some vm's be corrupted if you |
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>select the "append" mode for disk writes, which creates |
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>a redo log that can get lost if the server hardware crashes. |
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> |
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>Matt |
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> |
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>--- Original Message--- |
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> To: gentoo-dev@l.g.o |
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> From: John Mylchreest <johnm@g.o> |
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> Sent: 5/04/2005 2:16PM |
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> Subject: Re: [gentoo-dev] OffTopic: VMWare ESX |
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> |
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> |
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> |
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>>>Hi there, thanks for getting back to me. |
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>>> |
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>>>basically, What I was wanting to know is actual hands-on experience. |
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>>>Whats it like? Pros? Cons? What to watch out for? what its exceptionally |
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>>>good at? whats it exceptionally bad at? bugs? all the normal kind of |
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>>>questions really. How is it so different to vmware workstation? what big |
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>>>management (of guest OS and resource allocation) features are there? |
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>>> |
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>>>Also, if you can, how you use it. what it is you do with it? Application |
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>>>clustering? etc etc. |
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>>> |
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>>>All the stuff which doesnt come out of press releases, reviews and |
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>>>promos :) |
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>>> |
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>>>Cheers, in anticipation :) |
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>>>Regards, |
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>>>John |
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>>> |
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>>>P.S. DK, what happened last fall is water under the bridge. |
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>>>Misconceptions all around, and glad to see your still here. |
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>>> |
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>>>On Wed, 2005-05-04 at 15:12 -0400, Omkhar Arasaratnam wrote: |
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>>> |
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>>> |
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>>>>John Mylchreest wrote: |
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>>>> |
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>>>> |
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>>>> |
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>>>>>Hi All, |
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>>>>> |
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>>>>>Apologies for posting my question to such lists, but it hits the exact |
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>>>>>audience I'm after a response from :) |
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>>>>> |
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>>>>>Does anyone at work run Vmware ESX Server? If so, could they please get |
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>>>>>in touch with me so that I might talk about experiences? |
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>>>>> |
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>>>>>Regards, |
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>>>>>John |
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>>>>> |
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>>>>> |
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>>>>> |
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>>>>> |
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>>>>> |
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>>>>John, |
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>>>> |
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>>>>I've worked with it before and have a number of colleagues in the field |
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>>>>- what's up? |
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>>>> |
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>>>>-- |
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>>>> |
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>>>>Omkhar Arasaratnam - Gentoo PPC64 Developer |
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>>>>omkhar@g.o - http://dev.gentoo.org/~omkhar |
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>>>>Gentoo Linux / PPC64 Linux: http://ppc64.gentoo.org |
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>>>> |
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>>>> |
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>>>> |
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>>>-- |
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>>>Role: Gentoo Linux Kernel Lead |
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>>>Gentoo Linux: http://www.gentoo.org |
107 |
>>>Public Key: gpg --recv-keys 9C745515 |
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>>>Key fingerprint: A0AF F3C8 D699 A05A EC5C 24F7 95AA 241D 9C74 5515 |
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>>>Web: |
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>>>http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x9C745515 |
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>>> |
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>>> |
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>>> |
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>>> |
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> |
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> |
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> |
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> |
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-- |
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gentoo-dev@g.o mailing list |