John (IBM-MAIN) wrote:
--- snip ---
To all who have helped with our research into GDPS with SRDF/A, THANKS!
What we've found is that virtually no one is running a GDPS with syncronous
data replication, and we fould only one instance of active data sharing across
sites.
-- snip --
Since I'm curious, I took a look at the EMC Web site to see what information I
could find about GDPS and SRDF.
Apparently it is supported (in synchronous mode). A Hyperwsap equivalent
(Autoswap) is also available.
Why is it that almost no-one is running GDPS (synchronous)? IMHO that is where
GDPS gets you the most.
I know of numerous installations (here in Germany) with IBM or HDS Storage
running GDPS with PPRC.
I know only few GDPS installations (cannot provide company names). All,
but one use PPRC. The one uses XRC because of strong IBM suggestion, and
it is rather poorly configured/maintained.
Oh, those PPRC-sites use HDS storage.
However it would be interesting to know the stats, not just random cases.
--
Radoslaw Skorupka
Lodz, Poland
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