When trying to update a number of hosts in the ESXi cluster of a customer I first ran into the issue that scanning the host for updates would result in the following error: “Could not scan esx12 for patches”. Searching through the VMware KB I learned that this is probably due to a corrupted scratch partition […]
storage
Zerto Replication and Disaster Recovery the easy way
Zerto http://www.Zerto.com/ (Zero RTO) is a startup company that I first heard about when they were presenting at the Techfield Day in Boston. All information was under embargo, which didn’t allow us delegates to publish about Zerto until June 22nd and so I had to wait with this post until now. The presentation done by […]
Cheap disaster recovery
At the Dutch VMUG, together with my colleague Jos Vanaubel, I presented about how to do cheap disaster recovery using only PowerShell. At the London VMUG I held the same presentation again and promised to upload the scripts to my blog. Well, here it is in PDF format:
StorMagic SvSAN with High Availability mirroring
Recently I had the opportunity to review StorMagic’s SvSAN software. Their current release available from their website is only compatible with VMware ESX 3.5, since my home lab is already running VMware vSphere I received the latest beta 4.1.913 which does work with vSphere. In this review I will not write on absolute performance since […]
Storage: How to size your LUNs?
I frequently read postings on different forums about what the best LUN size is and I thought I’d write a post about it on how I usually do it. First of all, there is no ideal LUN size that suites all environments. But I think there is a general calculation you can use to come […]