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Optimize virtual disk for CBT based backups

Posted on June 7, 2012December 4, 2016 by Luca Dell'Oca 6 Comments

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 save only those. This allows […]

Ottimizzare i virtual disk per i backup basati su CBT

Posted on June 7, 2012December 4, 2016 by Luca Dell'Oca 4 Comments

Nei sistemi VMware oramai si sono affermati i backup di tipo image-based, ovvero quelli che prevedono il salvataggio dei blocchi dei file disco VMDK della virtual machine, piuttosto che salvare i files contenuti nel Guest OS attraverso agenti. Attraverso l’uso di CBT, dalla versione 4.0 in avanti รจ possibile identificare i blocchi modificati rispetto alla […]

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