kvm



------------------ Original ------------------
From:  "Aaron Delp"<[email protected]>;
Date:  Wed, Jul 31, 2013 11:40 PM
To:  "[email protected]"<[email protected]>; 

Subject:  Re: iSCSI IO performance is worse than NFS,why?



On 7/31/13 8:32 AM, "WXR" <[email protected]> wrote:


>I find that the disk IO performance of vm instances on
>iSCSI(sharedmountpoint) primary storage is worse than that on NFS primary
>storage.
>
>When I use a single hdd and create a NFS share as primary storage,the
>disk IO performance is pretty good.
>But when I use the same hdd and create a iSCSI lun as primary storage,the
>disk IO performance is lower than NFS.
>
>I think the disk IO performance of iSCSI should be better than NFS.

> What hypervisor are you using to attach?


.

Reply via email to