- PERFORMANCE BEST PRACTICES FOR VMWARE VSPHERE 6.5 DRIVER
- PERFORMANCE BEST PRACTICES FOR VMWARE VSPHERE 6.5 SOFTWARE
Different PCI slots can have different specifications. When using 10Gbsec or perhaps 40/100Gbsec networking, ensure that the cards are placed in the appropriate PCI slot on the host. The latest caching guidelines can be found on the virtual blocks blog here. Click here for an example of how performance can be boosted with an additional disk group.Įnsure that the cache to capacity ratio adheres to the latest guidelines. More disk groups can lead to more performance. This information can usually be found during boot of the ESXi host.Ĭonsider the number of disk groups per host. Are they SAS or SATA, are the device Magnetic Disk, SSD or NVMe? All of this may be useful later for evaluating if the best performance has been achieved. Make a note of the device types and model number. HP SSD Smart Path, have had a negative impact on vSAN – see KB 2092190 If disabling the cache is not possible, set the storage controller cache to 100% read.ĭisabled vendor specific controller features. If using RAID-0 mode and the storage controller supports caching, disable the cache. If this is not possible, verify via the VCG that the device is supported in RAID-0 mode, then configure the device in RAID-0 mode, one device per RAID-0 volume. Verify that the cache and capacity devices have been configured for pass-through mode in the controller BIOS.
PERFORMANCE BEST PRACTICES FOR VMWARE VSPHERE 6.5 DRIVER
Driver and firmware versions can be confirmed later via health when vSAN has been deployed.
Verify that the devices used for cache and capacity are on the vSAN VCG. Verify that the storage controller model is supported and appears on the vSAN VCG. 1Gbsec for small hybrid vSAN deployments 10Gbsec minimum for larger hybrid vSAN deployments and all-flash vSAN deployments. Verify that you have a uniform cluster - host model, CPU model, number of CPUs, memory size, controller type, cache device(s), capacity device(s) Latest version is always preferable as it will have the latest fixes and enhancements. Ensure that the vCenter server version and ESXi version match for a specific version of vSAN.
PERFORMANCE BEST PRACTICES FOR VMWARE VSPHERE 6.5 SOFTWARE
Familiarize yourself with HCIbench by visiting the HCIBench fling site, and downloading the User Guide (found under the instructions tab).Įnsure that the vSphere software versions are supported for vSAN. VMware's vSAN benchmark tool of choice is HCIbench. This contains useful information about many aspects of performance bench marking which should be well understood before continuing.
Read the Performance Testing section of the VMware vSAN Proof of Concept Guide for performance considerations. Read the vSphere 6.5 Performance Best Practices Guide for information on ESXi and VM performance considerations. Read the VMware vSAN Network Design Guide for information on supported network topologies, configurations and considerations when deploying vSAN networking. Read the VMware vSAN Design and Sizing Guide for information on supported hardware configurations, and consideration when deploying vSAN. Get agreement on this matter before proceeding. You need to document the success criteria for the benchmark test. You should, first of all, determine the desired outcome.ĭoes the customer wish to see the maximum IOPS, the minimum latency, the maximum throughput or even if vSAN can achieve a higher VM consolidation ratio? The following is a performance checklist to guide you through some best practices related to getting the best possible results from a performance proof-of-concept on vSAN.
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