sorry, wrong email address.
ming
On Sun, 2006-02-26 at 11:53 -0500, Ming Zhang wrote:
> I believe Nicholas will happy to answer this question for you.
>
> Thanks!
>
> Ming
>
>
>
> On Sun, 2006-02-26 at 07:54 -0800, Rik Herrin wrote:
> > Thanks for your reply Ming. I understand that PyX
> > supports erl=2, but is it really important? If you
> > use HeaderDigest and BodyDigest (CRC32C) and since
> > iSCSI uses TCP, doesn't that take care of most errors?
> > I read the following: "However, just about every
> > vendor I questioned dismisses iSCSI error recovery
> > level 2 as unnecessary, at least for the time being,
> > because the protocol is already built on a robust
> > networking transport such as TCP, which already
> > guarantees data delivery and provides error checking.
> > [Sep. 2004]" "Nevertheless, many agree that iSCSI
> > error recovery level 2 could be useful in some cases.
> > For example, in case of errors, when the target device
> > is a tape, level 2 would allow the operation to
> > continue without having to restart."
> > (http://www.infoworld.com/article/04/09/03/36storinside_1.html
> > ) So isn't erl=2 only really useful for things such
> > as tapes? Wouldn't the initiator also have to support
> > it? How many initiators currently support erl=2? I
> > read that PyX used to have an initiator (core-scsi)
> > but that it's been discontinued. Thanks for your
> > input.
> >
> >
> > --- Ming Zhang <mingz@xxxxxxxxxxx> wrote:
> >
> > > as far as i know, there is no such comparison yet.
> > >
> > > feature wise, pyx support erl=2, mc/s. it run faster
> > > (not sure how much)
> > > on better HW like 10G.
> > >
> > > ming
> > >
> > >
> > > On Sat, 2006-02-25 at 06:09 -0800, Rik Herrin wrote:
> > > > Hi,
> > > > I was wondering if anyone had made a comparison
> > > > between the IET target in comparison with
> > > WinTarget
> > > > and PyX? I was thinking in terms of features,
> > > > performance, RFC compatibility, etc. Thanks for
> > > your help.
> > > >
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