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Re: [Xen-users] NBD, GNBD, or NFS, and where to use LVM?



You're going to be screwed by the base 100 lan any way you go, so what I
would suggest is you upgrade that lan to gigE and you use NFS.

- raf


On Thu, 2005-10-06 at 22:49 +0800, Steven McCoy wrote:
> A good question to see in the FAQ.  I have a server running Xen with
> multiple domains, the storage is provided by a 1 TB array attached to
> another host.  The array is partitioned using LVM2.  What is the best
> or preferred way of running such a configuration?  The possibilities
> include: 
> 
> 1.  NBD to xen0, LVM2 on xen0, export volumes to xenUs.
> 2.  LVM2 on storage host, NBD to each xenU.
> 3.  GNBD to xen0, LVM2 on xen0, export volumes to xenUs.
> 4.  LVM2 on storage host, GNBD to each xenU.
> 5.  NFS from storage host to each xenU.
> 
> 
> I'm running OpenAFS, Hula mail, Apache and MySQL of the exported
> volumes, none requiring raw disk support.
> 
> NBD would mean only one xen machine can use each device.  GNBD
> currently doesn't build for Xen 2.0.7 on Gentoo, because the CMAN
> kernel modules requires 2.6.12.  Unfortunately I only have 100mb
> network to the storage host, "hdparm -t" for NBD shows 8MB/s in xen0,
> 24MB/s on the storage host (its a firewire storage array). 
> 
> -- 
> Steve-o
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users


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