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[Xen-users] Best practice for file based images

  • To: xen-users@xxxxxxxxxxxxx
  • From: Kate Dawson <k4t@xxxxxxx>
  • Date: Wed, 15 Nov 2017 12:31:41 +0000
  • Delivery-date: Wed, 15 Nov 2017 12:33:13 +0000
  • List-id: Xen user discussion <xen-users.lists.xen.org>
  • Openpgp: id=E81A4BBA;url=hkp://pool.sks-keyservers.net


I'm currently running two Debian Stretch hosts 

using xen 4.8 

mounting a FreeBSD file server ZFS file system over NFS. 

The virtual machine images are file based images on the NFS mounts.

What would best practice for configuring the vm disks in xen ?

use of 

file: or tap2:tapdisk:aio:

The NFS is async ( and also the ZFS dataset is async ).

I'm looking to improve the disk IO throughput. 

Thanks in advance.

Kate Dawson
"The introduction of a coordinate system to geometry is an act of violence"

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