vOpenData is an open community project that grew from the question “What is the average VMDK size for deployed virtual machines?” We wanted to create an open community database that is purely driven by users submitting their virtual infrastructure configurations. Leveraging the powerful virtualization community and applying simple analytics they…
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Everything tech: deepdive on the most important technologies, tips and tricks for everyday’s work, tutorial, step-by-step guides, videos and manuals.
Storage vMotion error: the method is disabled
I recently upgraded the storage section in a customer’s vSphere environment, by adding a new and more powerful SAN. Since customer had VMware licenses with Storage vMotion, we started moving the several virtual machines he had towards the new storage, without obviously shutting them down. In a couple of virtual…
Data Protection in Depth: the 3-2-1 rule for data protection
I’m starting today a new category on my blog, dedicated to Data Protection. I’ve talked since many years about data protection, backup and disaster recovery, but until today I never created a dedicated section. You will find in this category overview articles, some theory, and practical tests with several Data…
A real use case of vSphere Distributed Switch health check
Recently a customer has added a new ESXi server to his vSphere cluster. Since he has vCloud Standard licenses, I already created a distributed switch to allow an automatic, consistent and error-free configuration of the network settings of all servers. The network migration wizard had worked great and the new…
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Veeam Backup and the maintenance of a Reverse Incremental Job
Veeam reverse incremental backups are since their introduction one of the most appreciated features among their users. At the price of an increase in I/O on the backup storage when compared with a traditional incremental backup, it allows for a single full backup file and a long chain of increments, thus offering huge savings on disk space.
However many users ignore that even a Reverse Incremental backups are not “Set and Forget”. Even if a reversed chain can be years long, this kind of usage is not recommended, rather it can lead to several problems.
StoreVirtual VSA 10.0, memory requirements and RAID errors
While configuring my lab, I would like to use some local storage inside two of my servers, by installing some VSA. I usually run with great satisfaction the HP VSA, who has been renamed recently StoreVirtual even if it keeps in some places its old name LeftHand (and also in…
Skype, suspended accounts, and its stupid security rules
Few weeks ago I turned on Skype after a few weeks of time, and I found a “surprise”: your skype account has been suspended for security reasons. Argh, What could have happened? I usually use somewhat complex password in all my various accounts on the internet, and as far as possible…
When Veeam HotAdd mode does not works
HotAdd is one of the available modes to backup a VM with Veeam, and one of the preferred once when the Veeam proxies are installed as virtual machines themselves. However, there are situations where HotAdd mode does not work, and since it appears to be a frequent question, I decided…