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August 25th, 2015 17:00
RP Splitter mixed
I have VNX and VPLEX. Some of the hosts are connected via VPLEX, some of the hosts are connected to VNX front end via SAN switches. I need to use VNX splitter and VPLEX splitter. For my scenario, do I need to dedicate VNX Front end port, let said SPA0,SPA1,SPB0,SPB1 to VPLEX, and SPA2, SPA3, SPB2, SPB3 for hosts that don't go through VPLEX. Will this cause issue if I have VPLEX splitter and VNX splitter?
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fadliz
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August 25th, 2015 19:00
Having two splitters per RP cluster is fine as long as a single CG copy doesn't mix LUN attached to VPLEX splitter and Luns attached to VNX splitter. That being said you can mix splitter types across copies within the same CG. So for instance if VPLEX splitter is used for prod copy, the Local (CDP) copy can be on VNX.
From a VPLEX stand point, ensure that at no point hosts can access the same Luns through VPLEX and directly through the VNX. So to prevent these sort of issues, dedicating VNX ports to VPLEX BE is a good idea. I hope that helps.
Thanks, Zahid
RP Corp Systems Engineering
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