Morning! welcome to virtualcloudblog.com and thanks for checking it out today. The following post is vSAN Specialist related. What is that? The VMware vSAN 2017 Specialist badge holder is a technical expert who understands the vSAN 6.6 architecture and its complete feature set, knows how to conduct a vSAN design and deployment exercise, can implement a live […]
Morning! welcome to virtualcloudblog.com and thanks for checking it out. Today, I’ll write this post about vSAN healty commands. Those are relly useful just in case vSAN is having issues or to check current vSAN status. Firstly I kindly to recommend you to read the RVC post which explains what RVC is and the way […]
Morning! welcome to virtualcloudblog.com and thanks for checking it out. Today, I’ll write this post about vSAN and the the Health Check services. What is the vSAN Health service? It’s an integrated vSAN service to verify the configuration and operation of your vSAN clusteThe vSAN health service is turned on by default. It can turn periodical health […]
Morning! welcome to virtualcloudblog.com and thanks for checking it out. Last week VMware announced a list of vExperts 2018 on vSAN track. I would like to announce that I am honored to be selected this year! What is vExpert? VMware recognizes vExperts with a certificate. The certificate and title give vExperts special privileges such as access to […]
Buenos dias! Gracias por visitar virtualcloudblog.com; hoy escribo este post relaccionado con vSAN y los Stoarage Providers. Un poco de teoria: vSAN storage providers are built-in software components that communicate datastore capabilities to vCenter Server. A storage capability typically is represented by a key-value pair, where the key is a specific property offered by the datastore. The value […]
Buenos dias! Gracias por visitar virtualcloudblog.com; hoy escribo este post en Español para ayudar a la comunidad de Hispanohablantes. El Post de hoy esta relaccionado con vSAN y los objetos “inaccessible”. Usar estos comandos bajo vuestra responsabilidad, en caso de duda abrir un caso de soporte con VMWare. Haciendo trabajo proactivo en mi lab he […]
Buenos dias! Gracias por visitar virtualcloudblog.com; hoy escribo este post en Español para ayudar a la comunidad de Hispanohablantes. El Post de hoy esta relaccionado con vSAN y como borrar objetos “inaccessible”. Hoy voy a contaros como BORRAR objetos en nuestra vSAN, os hago un pequeño documento / resúmen. Imaginamos que tenemos objetos “Unassociated” y […]
Hello all, Today, I’ll show you how to know which driver and version we are using in our ESXs. Connect to the ESXi using SSH. Run the following command to understand which driver host is using.
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esxcli storage core adapter list |
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HBA Name Driver Link State UID Capabilities Description -------- -------------- ---------- -------------- ------------ ---------------------------------------------------------- vmhba0 megaraid_perc9 link-n/a unknown.vmhba0 (0000:0x:xx.0) LSI / Symbios Logic PERC H730 Mini |
In our case, the host is using megaraid_perc9. This driver is not supported, so we need to disable […]
Hello all, This post explains and provide details about vSAN congestion Congestion is a flow control mechanism used by vSAN (congestion). and it occurs when the I/O rate of the lower layers of the storage subsystem fails to keep up with the I/O rate of the higher layers. Congestion is a feedback mechanism to reduce the […]
Hello all, This post is related to the previous one vSAN commands – VMware vSAN – Part 1 Today, new ESXi vSAN commands will be explained for better vSAN understanding and it’s ESXi related which can be used for troubleshooting, but not in all cases. esxcli vsan storage list List storage disks claimed by vSAN.
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~ # esxcli vsan storage list naa.5000cca0310fxxxx Device: naa.5000cca0310fxxxx Display Name: naa.5000cca0310fxxxx Is SSD: true VSAN UUID: 5202288f-5789-4e4a-3a91-0036e789xxxx VSAN Disk Group UUID: 523c86ea-fe50-1e7f-4049-75bc2f3axxxx VSAN Disk Group Name: naa.55cd2e404c0dxxxx Used by this host: true In CMMDS: <span style="color: #000000;"><strong>true</strong></span> Checksum: 748541782027695xxxx Checksum OK: true naa.5000cca0310fxxxx Device: naa.5000cca0310fxxxx Display Name: naa.5000cca0310fxxxx Is SSD: true VSAN UUID: 5204f75b-ce8f-1324-fbef-94908861xxxx VSAN Disk Group UUID: 523c86ea-fe50-1e7f-4049-75bc2f3axxxx VSAN Disk Group Name: naa.55cd2e404c0dxxxx Used by this host: true In CMMDS: <span style="color: #000000;"><strong>false</strong></span> Checksum: 831070650279256xxxx Checksum OK: true |
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