Monthly Archives: April 2013

Traffic shaping and Powercli

In my dealings with PowerCLI i haven’t had to go much further than to find what i need. Have an interesting use case for traffic shaping in our environment as we utilize Citrix Provisioning Services (PVS) and were looking … Continue reading

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VMotion and it’s port

Interestingly in all the years using VMware’s products i’ve never come across the following error: Migration [-1408237366:1279683851917265] failed to connect to remote host : Connection refused Quick google and voila What happened? Port 8000 need to be opened – … Continue reading

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Useful post-installation ESXi installation tip – check your cables :)

Worth running the following as a post install step – particularly for those multiple 1gb hosts you’ll still have lying about 🙂 # watch -n l ‘esxcli network nic list’ A good way of verifying each of your cables is … Continue reading

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ESXi builds and encrypted passwords

Recently one of my co-admins was looking to streamline their esxi build process, was asking about what was required relating to password encryption. Tested by adding the below: %post section of the kickstart: %post –interpreter=bash /usr/sbin/useradd -m -d /home/T1 -p … Continue reading

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Citrix PVS replacement in vSphere environment – Non-Persistent disk perhaps

Read an interesting article on non-persistent disks from Cormac Hogan recently and got me thinking. Number of Citrix shops have enterprise licensing schemes but would love to get the “image”-type functionality that comes with PVS, unfortunately either a pricey … Continue reading

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Mixed versions of ESXi in a HA/DRS cluster and what to watch for

Recently had to tackle this issue. Is a nice,precise article that covers some of the pitfalls well.

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DirectPath i/o and your heavy RDS/View/Citrix apps

Currently undergoing a large scale roll-out of a new RDS/VDI environment. One of the trickier pieces of the jigsaw will be the heavy-duty apps. Been examining what our possibilities are regards latency sensitive applications particularly with a view to our … Continue reading

Posted in VSphere 5.x | Leave a comment

Wanna move files around on your vSphere 5.1 hosts from shell – use vifs!

Came across this new command i haven’t come across before – certainly appears new to the vSphere cannon. Handy tool for those who don’t use vMA or are in a hurry. vifs – perform file system operations on remote hosts … Continue reading

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PowerCLI labs

I’ve been working in ESX environments for a good 9 years now (since ESX 2.0.1) but one area i’ve always been slow to get around looking into is the whole scripting area. PowerCLI has repeatedly come up and been recommended … Continue reading

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Getting a “truer” reflection on you CPU performance within a vSphere 5.1 virtual machine

One feature i really like with the virtual machine hardware version 9 (native to vSphere 5.1) is the new virtual machine performance counter set. In the past have found it difficult to more accurately quantify the CPU performance within a … Continue reading

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