I guess my biggest concern is that it hangs the userid, and basically the
system, as I can't get it to shutdown cleanly. Then I have to force start.

MA

On Tue, Nov 25, 2008 at 1:03 PM, Mary Anne Matyaz <[EMAIL PROTECTED]>wrote:

> Do you mean not on VM? I'd assume z/OS supports it since the SDM's are ok.
> I did find a nasty looking Interface Control Check msg, so that's an avenue
> to pursue.
>
> MA
>
> On Tue, Nov 25, 2008 at 12:26 PM, Alan Altmark <[EMAIL PROTECTED]>wrote:
>
>> On Tuesday, 11/25/2008 at 11:43 EST, Mary Anne Matyaz
>> <[EMAIL PROTECTED]> wrote:
>> > Hello all. While we're on the subject of DASD today, I finally got my
>> chpids to
>> > access the production dasd from the
>> > D/R machine z/VM 5.4 lpar. I tried to accept a big range, and maint hung
>> up. I
>> > waited a half hour, then tried to
>> > force him. No joy. So I removed the dasd from the not accepted list, and
>> IPL'd.
>> > The IPL took 5 minutes to get to the
>> > SALIPL Screen. When it came up, I tried to vary on a range of about 15
>> devices.
>> > Again, hung up maint. Wait 1/2 hour,
>> > IPL. Tried to vary on one device, and it worked! So I tried the next
>> one, hung
>> > up my ID, and it's still sitting there 45 minutes
>> > later.
>> > Any ideas? Some sort of MIH setting? The SDMPlex is fine...not a whole
>> lot of
>> > activity on these devices. I have 2 chpids
>> > online. I understand it's going to be slower, but this just won't work.
>> :)
>>
>> I have always understood that channel extenders for DASD are not supported
>> because of the latency.  You should probably check the dasd control unit
>> to see if it's logging any errors on its own.  Is EREP showing anything?
>>
>> Alan Altmark
>> z/VM Development
>> IBM Endicott
>>
>
>

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