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xen-devel
Re: [Xen-devel] [Patch 3/7] pvSCSI driver
Hi all,
Sorry for my limited reply. I could not follow high speed discussion
due to barrier of language and timezone. :-)
On Thu, 28 Feb 2008 12:06:37 +0000
Steven Smith <steven.smith@xxxxxxxxxxxxx> wrote:
> > However, this version went back to simple 1 ring architecture as same
> > as VBD. We expect the performance will not be degraded because many
> > transactions are distributed into multiple-rings.
> I'm not quite sure what you mean here. You currently have a single
> ring per LUN; are you expecting heavy workloads to always be spread
> over several LUNs?
Our focussing domain is (was?) such an environment. However, it's not
only one as you mentioned. I understood that we have to improve
performance for each LUN access.
> > We would like to enhance it as second step after this version is
> > merged into Xen tree, if possible.
> As Ian points out, stuff in the stable trees is supposed to have a
> stable ABI, which can make some changes difficult.
>
> Of course, we might be able to declare the tree stable except for SCSI
> support, but that's a bit of a change from our current model.
I would like to merge our pvSCSI code into Xen tree. Therefore, I am
going to fix the code according to many comments I received. Could you
teach me the deadline of fixing the code? (Someone wrote previous mail
maybe...)
-----
Jun Kamada
Linux Technology Development Div.
Server Systems Unit
Fujitsu Ltd.
kama@xxxxxxxxxxxxxx
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