Month: October 2013

A SparseVer2BackingInfo disk is found but the virtual machine does not support the option – See more at:

Ran into this issue recently when deploying Junos Space. The OVA was taking forever to transfer to my ESXi host and was unable to fully transfer without error. So I unpacked the OVA into it’s constituent VMX and VMDK and transferred those to the host over scp. Using vim-cmd, I registered the VM successfully but stumbled upon the error in… Read more →

Error: – Virtual machine has 8,194 megabytes of memory, which is outside the range of 4 to 3,600 megabytes supported on the host. This may be a general limitation of the host software, or specific to the guest OS selected for the virtual machine.

Ran into this little gem tonight when trying to unpack an OVA into a VMX and VMDK (the why will be for a later post!). So, here’s the fix (for ovftool 3.5 anyway): Open the file ovftool-hw4-config-option.xml in your favorite text editor. This file is found in the application’s env directory. Once opened, do a search for 3600, which should appear… Read more →

Troubleshooting Spanning Tree

Spanning Tree ensure loop free situations in parallel bridge topologies. Proper functioning of Spanning Tree is vital to making certain the network is providing optimal performance and reliability. By default designated bridges send out Bridge Protocol Data Units (BPDU) every two seconds to ensure loop free topologies. During many of our troubleshooting experiences we often encountered entire subnet workstations freezing… Read more →

vim quickstart

You can open Vim by typing vim and then a filename at your command line. That filename can be a file that already exists, or a new file you want to create $ vim filename By default, you start in command mode. In most modern versions of Vim, you should be able to browse the document if it exists with… Read more →