Last week I realized this configuration at a customer, and I used this chance to finally put on paper the needed steps. You will find in the link the PDF guide. As usual, suggestions and comments are welcome. How to use an APC UPS to shutdown vSphere environments (PDF)
Category: Tech
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Nutanix: an overview
On 14th of May 2012, Nutanix has officially started its EMEA division. I was testing at that time Fusion-IO cards, and I was really interested in Nutanix as one of the best implementation of the Fusion-IO “no SAN” idea. Luckily I was their official first guest, since we had a…
Install ESXi using a USB key
Modern servers does not have anymore ant cdrom drive, and virtualization has made these peripherals even useless. Why do we would have to have it, if every installation is done using the .ISO files directly loaded in some datastore? The only left use case is the hypervisor installation, the only…
StarWind Software Solution Receives U.S. Army Certificate of Networthiness (CoN)
Sponsored post. StarWind Software Inc., an innovative provider of iSCSI SAN software and VM backup technology, today announced that its best-in-breed solution for virtualized IT environments and cloud computing, StarWind iSCSI SAN, has been awarded the Certificate of Networthiness (CoN #201210198) by the U.S. Army Network Enterprise Technology Command (NETCOM)….
Optimize virtual disk for CBT based backups
In VMware environments image-based backups are the most common nowadays; they save directly VMDK blocks instead of having agents installed inside the Guest OS to save single files. Using CBT technology, first introduced with vSphere 4.0, we can now identify only those blocks that changed since the previous backup, and…
Beware how and where you save your backups
Yesterday in a mailing list we had a nice discussion about some “worst practices” we see at some customers about their backup configurations. They inspired me this post about some common-sense you can apply to your backups. Separation I often found environments where a customer totally relies on the…
Convert a virtual disk from IDE to SCSI
We recently deployed a new customer in our datacenter, who was migrating his servers from an on-premise Hyper-V cluster towards our VMware vCloud. Their sysadmins brought us their VM already converted in VMware format, so we started immediately to import them in our vSphere 5 clusters. Sadly, VMs converted from…
Pre-emptively enable HotAdd/HotPlug of a VM
It happens often to have to do maintenance on Virtual Machines bacause of an exhaustion of computing resources. A web server with many more visitors than those predicted when it was sized, a database server with newly added application, there are many examples. In thse situations, a sysadmin schedules the…