Category Archives: vSAN

VMware Virtual SAN

New Home Lab – vSAN 6.6 Ready

More details coming up. For now, screenshot first.     vSAN AF Performance on a 1Gbps network.   Some other performance testing before setting up the vSAN cluster. Single Node vSAN on Supermicro E300 Cache Tier: Samsung NVMe SSD 960 Evo M.2 Capacity Tier: Samsung Evo 1TB SSD Samsung Evo 1TB M.2 convert to SATA on Supermicro E300… Read More »

vSAN 6.6 All Flash on OVH Private Cloud

Recently had the opportunity to set up an all flash vSAN on OVH BMaaS to facilitate a Customer NSX POC. Took the chance to run some vSAN throughput test. This is the server built that we got from OVH. We selected the Mini-HG and configure it with 3 SSD. Its physical locally in the OVH BHS… Read More »

VSAN Hybrid vs All-Flash Stretched Cluster Testing

This post reorganize the results from the previous two posts to show comparison between Hybrid and All-Flash VSAN. Preferred Site – Hybrid vs All-Flash (10Gbps Network) – MB/s Preferred Site – Hybrid vs All-Flash (10Gbps Network) – IOPS Secondary Site – Hybrid vs All-Flash (10Gbps Network) – MB/s Secondary Site – Hybrid vs All-Flash (10Gbps… Read More »

VSAN All-Flash Stretched Cluster Testing – 1Gbps vs 10Gbps Network

Both hosts disk group consists of 1) Flash Tier: 240GB SSD 2) Capacity Tier: 1TB Samsung 850EVO SSD Testing VM running on the following sites: Preferred Site – 1Gbps vs 10Gbps (MB/s) Preferred Site – 1Gbps vs 10Gbps (IOPS) Secondary Site – 1Gbps vs 10Gbps (MB/s) Secondary Site – 1Gbps vs 10Gbps (IOPS) Conclusion In an All-Flash VSAN… Read More »

VSAN Hybrid Stretched Cluster Testing – 1Gbps vs 10Gbps Network

Both hosts disk group consists of 1) Flash Tier: 240GB SSD 2) Capacity Tier: 500GB 7200RPM SATA Drive Testing VM running on the following sites: Preferred Site – 1Gbps vs 10Gbps (MB/s)   Preferred Site – 1Gbps vs 10Gbps (IOPS) Secondary Site – 1Gbps vs 10Gbps (MB/s) Secondary Site – 1Gbps vs 10Gbps (IOPS) *The… Read More »

How to recover unmounted disks in VSAN?

With VSAN6.1, Virtual SAN monitors solid state drive and magnetic disk drive health and proactively isolates unhealthy devices by unmounting them. This has happen to my home lab and wish to share how I recover the unmounted disks. You can read more about this feature on http://cormachogan.com/2015/09/22/vsan-6-1-new-feature-problematic-disk-handling/ As you can see, the disks in one of… Read More »