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Better performances on VMs without SSD ReadZilla disks .... Why?

edited Jul 15, 2012 9:14PM in Disk Storage ZFS Storage Appliance (MOSC) 3 comments
 Hello,
I try to understand why Node without SSD ReadZilla produce better performances with VMs like Microsoft Exchange 2010. 
Our second Node in the cluster possesses 4 x 100Go SSD ReadZilladZilla and the performances are sharply less good. 
Furthermore, the I/O (iSCSI, network, disks) is lesser on the Node without SSD.

Anyone can help me?

Best regards,

Ludovic AILLET

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