Yuri,

Assuming the disks used by your raid are targets originating from
different servers, then yes.

On Dec 22, 11:27 am, Yuri <yuri.li...@gmail.com> wrote:
> like 
> this?http://groups.google.com/group/open-iscsi/browse_thread/thread/4caaf4...
>
> 2008/12/22 Eric <ericvanblokl...@gmail.com>
>
>
>
>
>
>
>
> > Hello,
>
> > I'm going to setup a software raid over iSCSI. While I probably should
> > ask my question to the raid people, my guess was someone here might
> > have experience with this.
>
> > I'm going to use the following topology:
>
> > There will be 2 storage servers exporting targets. Other physical
> > machines will initiate a target from each storage server to create a
> > software raid (1). Virtual machines will use these raids as their
> > disks.
>
> > Apart from the standard optimizations, there's one I haven't been able
> > to find any information on. It is suggested that initiators, using the
> > disks (in this case the virtualized machines) should use a head and
> > cylinder count that is divisable by 2. Is this suggestion correct;
> > does it (still) apply to iSCSI?
>
> > Now for the actual question: I don't know exactly how linux software
> > raid works internally, but it sounds like logic to me, that the
> > software raid should be aware of the head and cylinder count as well.
>
> > So, when creating raid partitions on the targets, I should also modify
> > the head and cylinder count on these. Is this a correct assumption and
> > will software raid use the values advertised in the partition table?
>
> > Any answers or suggestions are appreciated. Thanks in advance.
>
> > Kind regards,
>
> > Eric
>
> --
> Thanks & regards,|73
> Yuri Huang- Hide quoted text -
>
> - Show quoted text -
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