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

Posted in Computing, Virtualization, VMware | Tagged , , , , | 1 Comment

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 , , , | 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 , , , , | 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 , , , , , | 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

Posted in Computing, VMware | Tagged , , , , | 1 Comment

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 , , , , , , , , | 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 , , , , , | Leave a comment