Some months ago, I built a small VSAN home lab. Gradualy I expanded the setup - e.g. I moved from a hybrid setup (HDDs and SSDs) to all-flash (SSDs only) to utilize deduplication. Because errors might occur during testing, my NAS is still used as shared storage for the cluster. The HDDs of my NAS were unable to meet …

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2016 seems to be the year of hardware upgrades for me. After replacing my ESXi host with a VSAN cluster recently, I also had to replace the D.I.Y. router after upgrading my internet connection. At maximum data throughput, CPU load and temperatur are increasing so heavily that other network traffic is slowing down …

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If a host has multiple physical network adapters, it is a common procedure to combine the particular links. Mostly, this configuration is chosen to enhance the maximal throughput. Another reason for this is to make network connections more reliable by defining alternative network paths. LACP (Link Aggregation Control …

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If you own a Cisco SG-200/300 switch you are lucky to configure Port Security and MAC filtering. The advantage of this is that you are able to define which MAC addresses may establish connections on particular ports. Other devices will not be able to access the network - which is a good idea especially for public …

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