Hi Daniel, On Tue, Jul 14, 2009 at 03:48:00PM -0700, Daniel wrote: > I wasn't sure if this question should be directed to a Crossbow mailing list > or Xen or NFS, as it is about all those technologies. > > My team and I are beginning to build a system for using Xen as a container to > deploy a distributed system. We're investigating different possibilities for > how to detach the data on stateful hosts, to be reused by new hosts. This is > to allow the upgrading of that host while keeping the data. One possible > solution we were considering is using an NFS share from the dom0 mounted into > local domU's. We like this approach for a couple reasons but we're concerned > about the performance impact. From our understanding, even though the > filesystems will be on the local machine, using NFS will introduce the > networking stack into all disk I/O and slow things down. > > Can using Crossbow remove the performance impact of mounting NFS from dom0 to > local domU? > > Thank you in advance for any help or advice.
I think this question should go to either Xen or Crossbow mailing lists. If we would want to remove performance impact on the NFS level, we would need to have a Xen-aware NFS client and server. Interesting idea, but just an idea :-). Regards. -- Marcel Telka Solaris RPE
