Archive for category: Virtualization

SSD + ZFS/bcache/EnhanceIO + SCST = Hybrid Storage Array?

SSD + ZFS/bcache/EnhanceIO + SCST = Hybrid Storage Array?

A few months ago, while “window” shopping at Ebay, I came across something that I thought to be an unbelievable deal. I found a Fusion-IO ioDrive Duo 640GB MLC PCI-E SSD for the crazy low price of.. well on second thought, maybe disclosing the price isn’t such a good idea. […]

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Migrating Windows 2008 R2 Physical Hosts to XenServer/XCP

Can you believe that in the post virtualization era that some people are still deploying application servers on physical systems? Anyways, here is my p2v method for moving Win2008 R2 systems to XenServer/XCP using all free software Requirements This P2V method I think is one of the most flexible I’ve […]

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Fencing Linux Clusters Nodes on XenSever/XCP Using XenAPI

Fencing Linux Clusters Nodes on XenSever/XCP Using XenAPI

As many of you already know, fencing is an important component of maintaining the health of your cluster. When cluster nodes experience issues, behave improperly or overall, just aren’t playing nice with the remainder of the nodes, it’s important to bring down that node as fast as possible, otherwise you […]

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Sharing Virtual Disks Between XenServer/XCP VMs

Update 2013-03-11: A reader was kind enough to inform me that sharing wasn’t working for him. I looked into it and indeed it was no longer working. I opened an issue with the xapi developers over at github and it seems that some changes went into xapi between releases and […]

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