AM
To: IBM-MAIN@BAMA.UA.EDU
Subject: why external CF not internal CF
Hi,
Is there any shop using external CF, As I know only for the backup
purpose
in case one of CPU failed. Is there any performance improvement if using
external CF. Why not using internal CPU?
Any comment will be appreicated
When to replace, not whether.
On Mon, 5 Nov 2007 12:54:09 +0900, Timothy Sipples
<[EMAIL PROTECTED]> wrote:
>
>Other questions I might look into: whether you should replace the 9037
>timers with Server Time Protocol (STP)
--
Fo
Tommy,
David Raften authored a good whitepaper which I would recommend reading if
you haven't done so already. It's available here:
ftp://ftp.software.ibm.com/common/ssi/rep_wh/n/ZSW01971USEN/ZSW01971USEN.PDF
Like many other areas of technology it's very important to get the latest
information.
LTIBANK.COM.PL>To
> Sent by: IBM IBM-MAIN@BAMA.UA.EDU
> Mainframe cc
> Discussion List
> <[EMAIL PROTECTED]
Skip Robinson wrote:
I'm not sure that system managed duplexing costs significantly more in MVS
cycles. With this kind of duplexing, the CFs talk directly to each other as
well as to their respective MVS LPARs. Applications do not themselves
mirror structures, and some of the overhead of duplexin
Discussion List
<[EMAIL PROTECTED] Subject
.EDU> Re:
Tommy Tsui wrote:
Hi,
Is there any shop using external CF, As I know only for the backup purpose
in case one of CPU failed. Is there any performance improvement if using
external CF. Why not using internal CPU?
Any comment will be appreicated.
There are no more "real" external CFs. For the d
, November 02, 2007 8:30 AM
To: IBM-MAIN@BAMA.UA.EDU
Subject: why external CF not internal CF
Hi,
Is there any shop using external CF, As I know only for the backup
purpose in case one of CPU failed. Is there any performance improvement
if using external CF. Why not using internal CPU?
Any
>Is there any shop using external CF
Before system-managed duplexing, if you lost a physical CEC with an MVS and a
CF on it, you would lose the entire SYSPLEX -- COLD START required.
Now, it's not as much of an issue.
But, some still feel more comfortable with external CF's.
And, some have them
Hi,
Is there any shop using external CF, As I know only for the backup purpose
in case one of CPU failed. Is there any performance improvement if using
external CF. Why not using internal CPU?
Any comment will be appreicated.
Many thanks
Tommy
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