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    DRBD 9 Released

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    linux drbd storage
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    • M
      mlnews
      last edited by mlnews

      The Linux DRBD technology from Linbit has just released version nine. New features of DRBD 9 include:

      • Unmatched replication performance: RDMA is now integrated into DRBD9, enabling low latency storage replication. PCIe storage combined with Infiniband network cards yields a 100% replication increase over traditional IP-based networks, while simultaneously reducing CPU load by 50%.

      • Extreme availability: DRBD9 allows for interconnection of more than 30 geographically diverse distributed storage nodes across any network environment – enabling businesses of all sizes to afford cross-site availability, and not mere data back-ups.

      • Integrative management: The new DRBD Manage application allows the deployment of complex storage infrastructures within minutes. DRBD Manage exposes all necessary APIs to automate DRBD9’s features in complex infrastructures such as OpenStack or Linux based alternatives to traditional SANs.

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      • D
        dafyre
        last edited by

        Ooooohhhh! Shiney! I need to go play with it. I built a 2-node DRBD setup a couple of years ago to play with and managed to get it working.

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        • S
          scottalanmiller
          last edited by

          I've done DRBD replicating over a LAN for an geographically disparate HA storage platform. It's pretty sweet.

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          • D
            dafyre
            last edited by

            How do you deal with Split Brain? Ensure you always have at least 2 nodes up?

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            • S
              scottalanmiller @dafyre
              last edited by

              @dafyre said:

              How do you deal with Split Brain? Ensure you always have at least 2 nodes up?

              It's not that hard unless you want automated failover to ALSO fail back. You just make sure that "fail back" is manual.

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              • S
                scottalanmiller
                last edited by

                It's not 100% perfect, but pretty good. Very low risk.

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