Re: Help needed with sc008 connections
From: alphadoc (all.the.fun_at_the.fair)
Date: 11/20/03
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Date: Thu, 20 Nov 2003 21:07:33 +1100
Hoff,
Can I ask my original question again......
How do I connect my HSJ50 and my CIPCA to the star coupler?
I am sure that the process is straight forward, but I am asking just to be
sure I have it right.
In a previous responce of mine to Paul Repacholi (11/15/03) I have
summarised the connections. Can you comment on the interconnections with
respect to that summary?
Thanks,
Alphadoc
Hoff Hoffman wrote in message ...
>In article <3fb9d870$0$13680$afc38c87@news.optusnet.com.au>, "alphadoc"
<all.the.fun@the.fair> writes:
>:Yes, this is definitely for a hobbyist system. Given the availability of
>:memory channel would anyone consider CI now for a production machine?
>
> There are a large number of production clusters that use CI -- we have
> several large configurations with HSJ-class storage controllers here
> in OpenVMS Engineering, though OpenVMS Engineering and various of the
> OpenVMS customers are also obviously adding Fibre Channel SANs and
> other newer technologies into the storage configurations.
>
> I'd tend towards GbE and not MC for most cluster configurations, though
> that choice can be (and obviously often is) sensitive to the particular
> application and cluster environment. For most hobbyist configurations
> involving clusters, Fast Ethernet or GbE -- and multi-host SCSI for
> shared/direct storage access -- is probably the best overall choice.
>
>:The availability of pensioned off CI gear now makes it readily available
for
>:the hobbyist at good prices.
>
> Older CI gear is undoubtedly inexpensive. Given the benefits (power,
> cabinetry size, capacity, cooling) of SCSI storage and NICs over the
> requirements (power, cabinetry size, capacity, cooling) of the older
> storage gear, I see little reason to contend with CI hardware for most
> hobbyist uses.
>
> CI is (still) useful for folks that have existing cluster structures
> based on the technology, but these configurations do tend to involve
> large-scale systems (certainly often physically large, if not large
> in terms of system performance) and existing hardware configurations.
>
> Yes, there are and there will be a few hobbyists resussitating VAX-11
> series processor gear and other equivalently old iron, of course.
>
> ...
>
> ---------------------------- #include
<rtfaq.h> -----------------------------
> For additional, please see the OpenVMS FAQ -- www.hp.com/go/openvms/faq
> --------------------------- pure personal
opinion ---------------------------
> Hoff (Stephen) Hoffman OpenVMS Engineering hoff[at]hp.com
>
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