• Subject: Re: Twinax Question (Don't laugh too loud)
  • From: Larry Bolhuis <lbolhui@xxxxxxx>
  • Date: Tue, 28 Jul 1998 11:20:33 -0400
  • Organization: Arbor Solutions, Inc

Tim,

  I know of no changes that raised the limit on local controllers, but
if there was I'd like it!  AFAIK it is still 40.

  For remote controllers the problem is not OS/400 but the remote
device.  If the remote device can handle 224 then OS/400 shouldn't have
a problem with it.  There may be implementation issues (such as Perle
uses multiple 5494 emultation in each box - once for each card so each
virtual 5394 is supporting only 28 devices.) but OS/400 should not be
the problem here.

  Larry Bolhuis
  Arbor Solutions, Inc
  lbolhui@ibm.net

Tim Hamm wrote:
> 
> O.K.,  I have been getting conflicting information on this question
> for the past couple months, and I'm hoping the vast knowledge of this
> list can provide me with some sort of consensus.  The question is:
> 
> How many devices can be active concurrently on a local twinax
> controller?  How many on a remote controller (as far as OS/400 is
> concerned)?
> 
> I recall only being able to have around 40 devices active on a local
> twinax controller, even though you could physically attach up to 56.
> I heard a rumor that this had changed sometime since V3R2, and now you
> can attach AND HAVE ACTIVE a full 56.  Is this true?  Does this also
> work with remote controllers?
> 
> A related question:  Decision Data is marketing a 5494-emulation
> remote controller that they say will support a total of 224 twinax
> devices.  Does anyone know if OS/400 would restrict this in some way?
> 
> Thanks for the time,
> 
> Tim Hamm
> MBA Information Systems
> tmhamm@yahoo.com
> 

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