Performance Archives

How do IO Limits look like [update: SIOC v1, v2]

In this blog post you can see how to configure IO limit for VM at VMDK level and how ESXi hosts executes these limits. Furthermore you will see differences between SIOC (Storage IO Control) v1 and v2 and how IO size matters.

Posted: September 20, 2018
Under: VMware, VMware | CLI

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3PAR (iSCSI) – resolve high write latency on ESXi hosts

FC AFA (all flash array) 3PAR systems show quite a good latency on reads and writes. When operating an iSCSI AFA 3PAR it could happen that the systems show a rather high write latency on ESXi hosts. In this post you can read how to fix this.