Timothy Sipples wrote:
Yes, we're all converging on the correct answers. Here's a quick summary.
[...]
At present you have two choices for keeping mainframe time in sync with
other servers' time clocks:
1. Make the mainframe boss. This is the best choice for a lot of reasons.
Set up the mainframe to get its external time reference, then use the
built-in time server so that other servers can get time sync over the
network, perhaps in a hierarchy.
That means buy 9037 or STP (it's not free) and connect it to every CPC you have.
I don't know STP prices, but 9037 costed approx. 50k$. You need at least two
for redundancy.
If you cannot connect all CPCs to the same set of timers, you need more timers.
For STP - I'm not sure, but the price is per CPC.
Obviously multi-CPC sysplex users already have one of theses solutions.
So, (before STP was GA), the price for time reference in mainframe is 100k$
*more* than any other server.
Piece of cake. Anytime I provide the cost my management say "F*ck, mainframe will
remain out of time synchronization"
BTW: SNA connection does not allow to use mainframe as time source.
I heard about installations, where IP network is strictly isolated from
mainframe (although it has its own IP network).
Of course this is not a problem with mainframe itself. I can be a problem of
any machine isolated by someone's decision.
--
Radoslaw Skorupka
Lodz, Poland
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BRE Bank SA
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opacony) wynosi 118.064.140 z. W zwizku z realizacj warunkowego
podwyszenia kapitau zakadowego, na podstawie uchwa XVI WZ z dnia 21.05.2003
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