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)….
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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…
#VMUGIT HandsOnDay: Acronis VMProtect 7
Lat week we hosted, as part of VMUGIT HandsOnDay series, Acronis with their VMProtect 7 software. Acronis is globally known for their TrueImage software, a cloning solution I used in the past like thousands of others with great success. So I’ve been suprised at first to know TrueImage nowadays is…
Testing vSphere FT on unsupported processors (even in nested mode!)
This is a guest post by Massimiliano Moschini, recentyl awarded vExpert 2012! For those who want to test vSphere FT (Fault Tolerance) but does not have supported processors (have a look at the supported processors in KB 1008027), or if you have a lab made with nested ESXi, yes is…
Fusion-IO: ESXi installation
As I described in a previous article, Fusion-IO cards are not natively supported by VMware ESXi. After installing the card and restart the server, you can see that it claims there is no persistent storage available, not even a lun or local disk to be formatted: So, we need to…