Tag Archives: VSAN

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 »

vCenter (VCSA) on vSAN or local disks?

Recently I had an interesting discussion with my customer about vCenter (already VCSA) location that is not dependent on the central storage system (array) but prepared for high availability and disaster recovery. vCenter is an important VM for VMware Administrators and there would be an impact on infrastructure if it is down (e.g. Horizon View). We focused on… 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 »