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SRDF/A replication between power max
Hi, I'm new to Power Max, and I'm doing some research, but I haven't found any clear documentation on how to replicate Power Max via SRDF/A from a production site to a DRP site. These sites are located more than 300 km away, so I've researched that for these cases, it must be SRDF/A. Now, based on my storage knowledge, this replication should be done with an SFP+ or SFP28 connection from the production site, then through a WAN link and then to the DRP site via an L2/3 switch that has SFP+ or SFP28 ports available.
The first question is, is this approach correct?
On the other hand, I heard someone indicate that it was possible to do this replication via iSCSI, but from what I understand, this type of replication doesn't work well when using links that may have high latency.
Is this possible?
Thank you very much in advance for your prompt response.
Best regards!
DELL-Josh Cr
Community Manager
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Posted May 29th, 2025 18:07
Hi,
Thanks for your question.
Yes, that sounds like you are doing it correctly. Iscsi is more for local workloads rather than remote. https://infohub.delltechnologies.com/en-us/l/dell-powermax-reliability-availability-and-serviceability/remote-replication-using-srdf/ and the planning guide here might helphttps://dl.dell.com/content/manual49083949-dell-powermax-family-site-planning-guide-powermax-2500-and-powermax-8500.pdf?language=en-us
https://dl.dell.com/content/manual55711232-dell-srdf-introduction.pdf?language=en-us and https://dl.dell.com/content/manual73358633-srdf-and-ndm.pdf?language=en-us and https://www.delltechnologies.com/asset/en-us/products/storage/industry-market/h14531-dell-emc-powermax-iscsi-implementation.pdf
Let us know if you have any additional questions.