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Luca Dell'Oca Principal Cloud Architect @Veeam
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Virtual To The Core
Virtual To The Core

Virtualization blog, the italian way.

Tag: defrag

Optimize virtual disk for CBT based backups

Luca Dell'Oca, June 7, 2012December 4, 2016

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…

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Ottimizzare i virtual disk per i backup basati su CBT

Luca Dell'Oca, June 7, 2012December 4, 2016

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 è possibile identificare…

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Deframmentare il database di vCenter

Luca Dell'Oca, March 30, 2010December 4, 2016

Avete mai ipotizzato, tra i vari motivi di lentezza che affliggono vCenter, una eccessiva deframmentazione degli indici del suo database SQL? Beh, fatelo, perchè su sistemi particolarmente carichi, pieni di record storici, la deframmentazione del database potrebbe portare a recuperi prestazionali non da poco. Innanzitutto, dovrete arrestare il servizio vCenter….

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