01-21-2009, 05:53 AM
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Remote hands for Los Angeles
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Join Date: Feb 2003
Location: Los Angeles, CA
Posts: 2,490
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I'm thinking if i should use my dell 2850 as a nfs share to a esx 3.5 cluster. this cluster would have moderate to high disk usage.
figure dual gig to the freenas box.
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01-21-2009, 11:48 AM
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I would really take a look at openfiler (openfiler.com) before looking at freenas for integration in an esx cluster.
I used to be a huge fan of freenas before I found openfiler, the nice thing about OF is the ability to setup iSCSI targets.
If you're going to be looking at moderate to high disk I/O make sure you go with high rpm drives, and also separate pathing to 2 nics on the nas box.
I've setup a cluster similar, let me know if you have any questions.
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01-21-2009, 03:58 PM
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Remote hands for Los Angeles
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Join Date: Feb 2003
Location: Los Angeles, CA
Posts: 2,490
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the 2850 has 6 10k drives, unfortunately... the perc 4 card doesn't seem to do raid10.. im hoping with a firmware upgrade it might.
I've heard some pro and cons about Openfiler and freenas, i like that freenas is so lightweight.
mind if i ask why iSCSI over NFS?
at work with our netapps... we are running nfs and migrating away from iSCSI.
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01-21-2009, 05:00 PM
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Remote hands for Los Angeles
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Join Date: Feb 2003
Location: Los Angeles, CA
Posts: 2,490
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Looks like Openfiler supports Openmanage... thats a plus.
Will for sure check it out.
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01-21-2009, 06:02 PM
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Community Guide
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Join Date: Jun 2000
Location: Washington, USA
Posts: 5,978
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iSCSI will probably deliver better performance the NFS.
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01-22-2009, 04:33 PM
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iSCSI will probably deliver better performance the NFS.
I agree. If the NFS isn't setup correctly you will start bottle necking at some point. I would suggest going with iSCSI as well.
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01-26-2009, 03:36 AM
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Remote hands for Los Angeles
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Join Date: Feb 2003
Location: Los Angeles, CA
Posts: 2,490
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openfiler takes a small learning curve but it have it working.
pretty good disk writes from the vm over a single gig for right now.
one thing im trying to work on is openmanage, on there forums trying to solve that part. hopefully i get some feedback soon.
thanks for pointing me to openfiler tho freenas is lil faster to learn off the bat.
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01-26-2009, 07:29 AM
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We are using Openfiler with ESX 3.5 for 6 months now, using th iSCSI setup. We're amazed how flexible and stable this setup is working. It started as a 'Lets see how this works'-project, but at this moment we are using it in our production-environments too. Almost anyone can manage Openfiler, it's very simple and effective.
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01-26-2009, 11:19 AM
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Web Hosting Master
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Join Date: Aug 2000
Location: Sheffield, South Yorks
Posts: 3,287
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NFS is a file based sharing mechanism desinged for multiple access and as such has lots of overhead for locking and the actual file-system itself as an overhead. iSCSI is ablock level access mechanism, as the name suggests, it is the SCSI (v3 I think) protocol running over IP. As such it has less overhead than NFS as it doesn't have to cope with locking etc.
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01-26-2009, 10:02 PM
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Remote hands for Los Angeles
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Join Date: Feb 2003
Location: Los Angeles, CA
Posts: 2,490
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iPublications,
are you doing any snapshots of the iSCSI?
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