Re: [suse-sles-e] iSCSI on SLES10 - open-iscsi vs cisco iscsi

From: Ming Zhang (blackmagic02881_at_gmail.com)
Date: Wed Jan 17 2007 - 04:08:07 CET


From: Ming Zhang <blackmagic02881@gmail.com>
Date: Tue, 16 Jan 2007 22:08:07 -0500
Message-Id: <1169003287.13543.71.camel@localhost.localdomain>
Subject: Re: [suse-sles-e] iSCSI on SLES10 - open-iscsi vs cisco iscsi

On Tue, 2007-01-16 at 18:55 -0800, Alexei_Roudnev wrote:
> > it is not that easy i feel. for example, u can send your ini code to IOL
> > lab to do interoperability test, you need to test so many possibilities.
> > all these need many resources. back to one word, money.
> >
>
> This is true. On the other hand, most of the problems was not because of
> interoperaqbility problems, but because of some kinds of race condition /
> heavy load problems, and this kind of thigs are easier to reveal in tests
> (many techniques do exists, such as artifically slow servers with multi cpu,
> running long performance tests all the time, and so so on...).

these needs resource as well. ;)

i agree with what u said, it could be done better.

>
> But I am more interested in open-iscsi quality - old Cisco iSCSI initiator
> was well tested and was widely used; how new open-iscsi driver have been
> used in real world? Sometimes, _merge_ means that developers was able to
> merge primary code from the old system into the utilities from the new
> system (and then such merge is safe); in other cases, when kernel was
> changed sugnificantly, there is a high risk of bugs.

u can go open-iscsi list for more details. my experience with it is ok.
newer features are kept added in, which lead to new bugs or regression
from time to time. I suspect Mike has enough time to do regression test
for each revision.

@Mike, I add you into this discussion, compare with stale cisco-iscsi
ini, how stable open-iscsi is? Thanks.

>
>
>

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