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RE: [Xen-API] RE: Questions about the api

To: Ian Pratt <Ian.Pratt@xxxxxxxxxxxxx>, Julian Chesterfield <Julian.Chesterfield@xxxxxxxxxxxxx>
Subject: RE: [Xen-API] RE: Questions about the api
From: Tomoiaga Cristian <cristi@xxxxxxxxxxx>
Date: Thu, 21 Oct 2010 21:27:33 +0300
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Thread-topic: [Xen-API] RE: Questions about the api
>It would be interesting to compare the performance of iSCSI vs NFS. In earlier 
>versions of Solaris that supported ZFS the iSCSI target wasn't particularly 
>performant, so NFS was better than iSCSI, but I >imagine they are quite 
>similar now.

>The main benefits of using iSCSI over NFS are:
> * Easier to do multi-homing
> * metadata (and optionally data) protection with CRCs
> * ability to "fence" other initiators from having access to an image.

>That last point is actually a big deal in cloud environments that need HA.


It would be nice if Nexenta ads a unique serial to each lun like Netapp does. 
Right now I am stuck with allowing all initiators in one pool to see all the 
luns in that pool. Exclusion would have been good :(
Interested in that comparison also (with Comstar).

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