Yep, you definitely need Coupling Links.  And the STP feature is a priced
one, about the same (perhaps slightly less) than the Timer.

The redbooks Shane mentioned are the go.  There's quite a bit to it.

cheers
Peter

On Thu, 12 Mar 2009 11:41:43 +1000, Shane <ibm-m...@tpg.com.au> wrote:

>And I have a feeling that CTCs aren't sufficient - I think you need
>coupling links.
>But I've never implemented it, so check the doco as Alan mentioned.
>
>Shane ...
>
>On Wed, 2009-03-11 at 19:19 -0500, Field, Alan C. wrote:
>
>> The follow on from Sysplex timers is Server Time Protocol. It is
>> microcode on the processors and uses the HMC. It isn't free however.
>> Search the Redbook Library (there are 2 volumes, perhaps three) on the
>> topic.
>>
>> -----Original Message-----
>> Mark Steely
>> We are z/OS V1R9 on a z/10 2098-N01 processor. We have 2 CPU's both z/10
>> 2098 - not sysplex. We do have a CTC connection between the two
>> machines. What would be the best way to have the time automatically be
>> sync with each other and with GMT. I have heard of sysplex timers , but
>> I don't think that how it is handled now. Any insight would be helpful.
>
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