Storage Area Networks (SAN)

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  • Hi.. Just want to add one thing.. If you have a link failure and your replication stops between your systems. When this issue has been fixed and the two systems can communicate you need to manually restart replication but if you have change volumes ...

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  • Thanks for the thorough answer! /Rasmus ------------------------------ Rasmus Teglgaard ------------------------------

  • Hi Rasmus, Change Volumes for Metro Mirror (MM) and non-cycled Global Mirror (GM) have the same function as for Global Mirror with Change Volume (GMCV), which is an asynchronous cycle-based replication. I think it is quite well documented when you search ...

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Latest Blogs

  • DIRL prevents the spreading of network congestion caused by performance issues or slow-drain in a Storage Area Network (SAN). The Cisco DIRL feature detects any symptoms of egress congestion on the switch ports. Then, it limits ingress data ...

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  • IBM Technical University (IBM TechU) 2021 is a virtual event that will run from October 25-28, 2021. You can register here: https://www.ibm.com/training/events/vtechu2021 and find the agenda here: https://ibmtechu.com/cgi-bin/cms/apt20.cgi There ...

  • This video explains how a slow drain device can affect a storage network. Also see this related video on how buffer credits work.

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  • A new IBM Redpaper was published as a public draft. This paper covers best practices for implementing an IBM c-Type or Cisco fabric https://www.redbooks.ibm.com/redpieces/abstracts/redp5632.html?Open

  • Watch this video to learn about the Spectrum Virtualize Port Masking feature and why you should use it.

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