Category Archives: From the Trenches

A look at All Paths Down in vSphere

Today we have a guest post from Karthick Sivaramakrishnan, who is a 3 year veteran at VMware. His primary field of expertise is vSphere Storage and Site Recovery Manager. This blog post is centered around how ESXi handles unscheduled storage disconnects on vSphere 5.x and 6.x. An unscheduled storage disconnect means some issue in the […]

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Posted in Datacenter, ESXi, From the Trenches, Storage, Tech Talk, vSphere | Comments Off on A look at All Paths Down in vSphere

Inconsistencies between the IDP hostname and the vRA hostname producing behavior and authentication issues in vRealize Automation 7.x

Questions: Have you been getting certificate trust issues when logging into vRealize Automation 7.x only to find that the certificate is trusted once you are logged in? Have you ever noticed that your login page for vRA 7.x uses a different host name in the URL than the application? Have you been having difficulty logging […]

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Path failover may not be successful when using Cisco MDS Switches on NX-OS 7.3 and FCoE based HBAs

So I wanted to get this blog post out sooner rather than later as it might effect a significant number of customers. In a nutshell, if you perform array maintenance that requires you to reboot a storage controller, the probability of successful path failover is low. This is effectively due to stale entries in the […]

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Posted in Datacenter, From the Trenches, Highlights, Knowledge Base, Storage | Comments Off on Path failover may not be successful when using Cisco MDS Switches on NX-OS 7.3 and FCoE based HBAs

Host disconnected from vCenter and VMs showing as inaccessible

Another deep-dive troubleshooting blog today from Nathan Small (twitter account: @vSphereStorage) Customer problem description: Host is getting disconnected from vCenter and VMs are showing as inaccessible. Only one host is affected. Analysis: A quick review of the vmkernel log shows a log spew of H:0x7 errors to numerous LUNs. Here is a short snippet where […]

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Posted in ESXi, From the Trenches, Management, Storage, Troubleshooting | Comments Off on Host disconnected from vCenter and VMs showing as inaccessible

Issues creating Desktops in VDI, and what to do about it

We want to highlight some mitigation techniques and a handy KB article today for those of you managing Horizon View desktops. We’re talking about those occasions when no desktop can be created…

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Posted in Enterprise Desktop, From the Trenches, Horizon View, Troubleshooting, VMware View | Comments Off on Issues creating Desktops in VDI, and what to do about it