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Luca Dell'Oca Principal Cloud Architect @Veeam
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Virtualization blog, the italian way.

Heap size e VMFS3

Luca Dell'Oca, February 10, 2009December 4, 2016

L’heap size di un file system vmfs3 determina la dimensione massima di file vmdk che è possibile aprire in contemporanea su un host. Benchè possa sembrare un’eventualità remota, il valore di default di questo parametro è 16 MB e consente pertanto di aprire un massimo di 4 Tb di dischi per singolo host.

E’ possibile aumentare questo parametro fino a 128 MB, per un massimo di 32 TB per host. Per modificare il parametro aprire vCenter, selezionare lo specifico host, aprire il tab “configurations”, poi advanced settings, VMFS3, e cambiare infine il valore di “VMFS3.MaxHeapSizeMB”.

Ricordatevi che questo parametro è modificabile unicamente sulle versioni 3.5, non sulle 3.0.X.

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Tecnologia heap sizevmfs

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