Bugfixing KVM live migration

By | Technical | 2 Comments

Here at Anchor we really love our virtualization. Our virtualization platform of choice, KVM, lets us provide a variety of different VPS products to meet our customers’ requirements. Our KVM hosting platform has evolved considerably over the six years it’s been in operation, and we’re always looking at ways we can improve it. One important […]

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Round ’em up with Jessie

By | Technical | No Comments

A new version of the Debian operating system, version 8 (codename “Jessie”) was released over the weekend. Just as we did two years ago with Wheezy, we are now immediately offering Debian Jessie as an option for new customers. This includes our new OpenStack infrastructure, where Jessie is our recommended option for Managed Operations and […]

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VMware ESX Guest Disk IO

By | Technical | No Comments

Knowing the state of your disk IO latency in VMware ESX can help you pre-empt performance & capacity issues before the occur. There are a few guidelines you should keep in mind. These notes are directed towards people using directly attached storage. Write latency should be 0, because you have that fancy battery backed controller […]

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Awesome Linux tool of the day: dstat

By | Technical | No Comments

What is dstat?¬† dstat is a versatile replacement for vmstat, iostat and ifstat. Dstat allows you to view all of your system resources instantly. Eg, You can compare disk usage in combination with interrupts from your HDD controller, or compare the network bandwidth numbers directly with the disk throughput (in the same interval). No blog […]

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