Carlos A Bodra wrote:
Hi,
Can anyone tell me about performance of 2 x 2105-F20 with PPRC (v1 or v2)
using 2 or 4 escon cables between them?
At my mind I have that 4 is better than 2, alternate physical path etc...,
but any real expirience.
Or there are a Redbook about?
There are quite many redbooks about copy services and PPRC - just use
search engine.
Regarding to your question:
I'd vote for 4 or even more ESCONs.
Everything depends on your I/O activity and host-to-ESS connectivity.
As a general rule - channels for PPRC shouldn't make bottleneck.
Things are changing when you use non-synchronous copy (PPRC-XD, XRC, etc.)
--
Radoslaw Skorupka
Lodz, Poland
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