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Re: [Xen-users] iSCSI and LVM
| To: | Bart Coninckx <bart.coninckx@xxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-users] iSCSI and LVM |
| From: | Serge Fonville <serge.fonville@xxxxxxxxx> |
| Date: | Mon, 14 Jun 2010 21:03:27 +0200 |
| Cc: | xen-users@xxxxxxxxxxxxxxxxxxx, Jonathan Tripathy <jonnyt@xxxxxxxxxxx> |
| Delivery-date: | Mon, 14 Jun 2010 12:05:19 -0700 |
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>> LVM over NFS is not possible. >> LVM needs to be applied to a blockdevice >> >> Fortunately, you can sitll use LVM on the storage server. >> >> NFS is often considered slower, due to that it adds an additional >> layer to the communication. >> >> This does not necessarily negatively impact the performance in such a >> way that it should be considered a deal-breaker. >> If you expect to constantly utilize over 70% of your bandwidth, you >> may be better of using iSCSI. >> Then again, if you are utilizing that much, you should probably >> rethink your setup. >> >> since I currently know very little about your expected load. >> I can not give you a definitive answer. >> >> But looking into using NFS for your VMs should at least be looked in >> to thoroughy. >> > I suppose NFS requires image based access, which I understand is less > performant. > you may also find http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.1.1830&rep=rep1&type=pdf interesting HTH Regards, Serge Fonville -- http://www.sergefonville.nl Convince Google!! They need to support Adsense over SSL https://www.google.com/adsense/support/bin/answer.py?hl=en&answer=10528 http://www.google.com/support/forum/p/AdSense/thread?tid=1884bc9310d9f923&hl=en _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users |
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