WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-api

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
Accept-language: en-US
Acceptlanguage: en-US
Cc: "xen-api@xxxxxxxxxxxxxxxxxxx" <xen-api@xxxxxxxxxxxxxxxxxxx>
Delivery-date: Thu, 21 Oct 2010 11:28:58 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <4FA716B1526C7C4DB0375C6DADBC4EA38D7FDB1315@xxxxxxxxxxxxxxxxxxxxxxxxx>
List-help: <mailto:xen-api-request@lists.xensource.com?subject=help>
List-id: Discussion of API issues surrounding Xen <xen-api.lists.xensource.com>
List-post: <mailto:xen-api@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/mailman/listinfo/xen-api>, <mailto:xen-api-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-api>, <mailto:xen-api-request@lists.xensource.com?subject=unsubscribe>
References: <4C16BD5DB91CF44292D2145E0D5237351CF3AA1180@baseex> <4FA716B1526C7C4DB0375C6DADBC4EA38D7FDB12A8@xxxxxxxxxxxxxxxxxxxxxxxxx> <4CC077B8.1090105@xxxxxxxxxxxxx> <4FA716B1526C7C4DB0375C6DADBC4EA38D7FDB1315@xxxxxxxxxxxxxxxxxxxxxxxxx>
Sender: xen-api-bounces@xxxxxxxxxxxxxxxxxxx
Thread-index: ActxRSjVcSeCP4H9SNq3H+ICSZU8hgABURhwAACPYWA=
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.

>Ian

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).



_______________________________________________
xen-api mailing list
xen-api@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/mailman/listinfo/xen-api