Morning all, First of all, welcome to virtualcloudblog.com and thanks for checking it out. Today, I’ll show you how to upgrade the VCSA from 6.5U1 to 6.5U1f (build number 7801515). This release patches the vCSA operating system (Photon OS) mainly against two vulnerabilities: bounds-check bypass (Spectre-1, CVE-2017-5753) and rogue data cache load issues (Meltdown, CVE-2017-5754). As […]
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 […]
What is Zerto? Zerto provides enterprise-class disaster recovery and business continuity software specifically for virtualized data centers and cloud environments. In today’s always-connected world, businesses need to be available to their customers, prospects and employees 24/7/365. This new world order of uninterrupted technology is a non-negotiable business best practice. To experience downtime of any length […]
Hello all, Today, I’ll show you how to replate Horizon untrusted- invalid SSL certificate. From VMware Horizon admin console, Dashboard page, right upper corner, there is a square informing about the “System Health”. From here, we can idenfify problems in your infrastructure. In my home lab, I have installed 2 connection servers, and 1 security […]
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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Hello All, This is a basic PowerShell script to add a computer in a specific OU in our Active Directory. There are 3 pre-requisites: PowerShell needs to be installed in the server. PowerShell needs to be executed as Administrator. The AD account you use should have enougt privielges to add compoters within the OU. Set-Executionpolicy […]
Hello all, This post will be mainly focused on vSAN commands at ESX level, so please use these commands under your responsability. I kindly recommend you to raise a VMware service request in case of doubts, issues or problems. When a hardware device, host, or network fails, or if a host is placed into maintenance mode, […]
Hello all, Today, I’m going to show the most used vSAN commands I use, on a daily basis, for troubleshooting, for performance, etc….Please use these commands carefully, under your responsibility. To use these commands, you need to log in in the vCenter RVC console (a previous post was created to have RVC access and the […]
Hello All, This is my first vSAN post so first of all, I hope you have same basic knowledge about it. vSAN is a “Software-Defined-Storage” (in advance – SDS). This terminology is not new, and it has been used for some time (for the last 4 years – I think). vSAN is a VMWare product […]
