Category Archives: VSAN

Comparing Performance R5 vs R1 with and without Compression/Dedupe on All-Flash VSAN

I built a small 4-node all-flash VSAN for a specific use at my company. We didn’t need high performance, but we wanted the space efficiencies of dedupe/compression plus erasure encoding (in our R5). Note that FTT=1, I could have tested FTT=2 for R1 but not for R5 so I didn’t bother. Equipment: 4xDL380 Gen9 servers… Read More »

Creating All-Flash Diskgroups on DL380 Gen 9 using PowerCLI

In a previous post, I discussed how the Web Client makes it difficult to create hybrid diskgroups grouped by array controller. I provided a PowerCLI script to automate diskgroup creation for this case. With All-Flash, the same issues around array controller grouping exists. A new issue that I encountered is that the “new-vsandiskgroup” cmdlet that… Read More »