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Tag Archives: troubleshoot
Updating SSL certificates on View Connection servers
While playing with SSL certs on View servers I found one of my Connection servers would start all of its services, but not start listening on 443. Note that netstat can be used to determine if something listening on 443: … Continue reading
vCloud Director generic “error” making virtual machine changes
I ran into an issue the other day with my demo vCloud environment where any change I tried to make to vms in the cloud would return “error” and seeming not interact with vSphere at all. VMware support pointed out … Continue reading
Posted in Cloud, Computing, VMware Tagged troubleshoot, vcenter, vcloud director, vSphere Leave a comment
Installing or upgrading vCenter Server
While upgrading a vCenter Server 5.0 to 5.0U1 I received a message that my FQDN had an issue: However, a ping showed me that the FQDN resolved just fine. A little digging turned up an issue I was not aware … Continue reading
Posted in Cloud, Computing, Virtualization, VMware Tagged FQDN, install, troubleshoot, vcenter, vSphere Leave a comment
Shooting yourself in the foot is bad (Where are my swap files?)
vSphere by default stores vswap files (the files used when your host runs out of physical memory to allocate) with the local machines. However, you can choose (on a per VM or per-host basis) to direct all swap files to … Continue reading
Posted in Cloud, Computing, Storage, Virtualization, VMware Tagged configuration, ESXi, storage, swap, troubleshoot, vSphere5 Leave a comment
ESXi no management network redundancy
After configuring a vSphere cluster for High Availability you might see this message on the summary page of your hosts. It’s a nice reminder that your VMkernel Port carrying management traffic only has one NIC available, and is flagged by … Continue reading
Jumbo vs Flow Control
Don’t forget to check your Ethernet switches for Jumbo vs Flow Control support and recommendations – and double check your config to make sure it matches. Some switches support both, some prefer one over the other – or you might … Continue reading
Posted in Computing, NetApp, Storage, Virtualization, VMware Tagged ESXi, HP switch, iSCSI, NetApp, networking, performance, troubleshoot, vmware, vSphere5 1 Comment
Changing VM reservations on the fly
Heard a question the other day in regards to changing virtual machine reservations on the fly and the resulting impact on the size of the swap (.vswp) file. Every running virtual machine on a VMware ESX/i host has a .vswp … Continue reading
Posted in Cloud, Computing, Virtualization, VMware Tagged ESX, ESXi, reservation, troubleshoot, vSphere, vSphere5 Leave a comment
Enabling vMotion and converting a portgroup to a VMKernel port
I was asked a question the other day about “enabling vMotion.” The answer actually has 2-parts. Technically there is a parameter you need to have set in order for vMotion to be enabled on your host. “Migrate.Enabled” is an advanced … Continue reading
Posted in Cloud, Computing, Virtualization, VMware Tagged command line, ESXi, powercli, troubleshoot, vmware Leave a comment
VMware vSphere 4.1 training
For vSphere 4.0 VMware had a “Install, Configure, Manage” or ICM class that lasted four 8-hour days. You could also opt for a 5-day “FastTrack” class that took the ICM and added components from the “Performance” and “Troubleshooting” classes and … Continue reading
Posted in Computing, Scripting, Security, Virtualization, VMware Tagged Education, ESX, ESXi, performance, training, troubleshoot, vcap, vcp, vSphere Leave a comment
