Category Archives: Storage

FTF 011: vSAN and mixed storage policies

This post is a feature request for vSAN 🙂 One of my customers has a 4-nodes vSAN all-flash cluster. They use compression, deduplication and RAID 5 for non-critical VMs/vmdk and RAID 1 for critical. RAID 5 erasure coding requires less additional capacity to protect data than RAID 1 mirroring. When you have vSAN enabled and you want to… Read More »

Useful tools on how to troubleshoot Virtual SAN (vSAN)

During VMworld this year, I attended at nice session on vSAN troubleshooting tips. There are some tools that help us to find a root of problem: esxcli RVC Health Check vSAN Observer vRealize Operations Manager vRealize Log Insight esxcli There are some commands as below examples: esxcli vsan network list - Verify which VMkernel adapters are used for… Read More »