Hello Hiroki,  The metadata volumes must not be placed on the vault volumes of any array.  Thanks for pointing this omission out.  I'll open a ticket to have this clarified in the documentation.  --Mike
Hello,  Can we use a vault drive of VNX for a meta-volume of VPLEX? Because I found the following on page 15 of "EMC® VPLEX® Administration Guide". But it's not explaining the reasons.  If the meta-volume is configured on a CLARiiON array, it must not be placed on the vault drives of the CLARiiON.  So I want to confirm if only the vault drives of the CLARiiON must not be used for a meta-volume of VPLEX? Or the vault drives of CLARiiON series must not be used for a meta-volume of VPLEX? Otherwise the vault drives of all storage arrays must not be used for a meta-volume of VPLEX?  If there also is the related documents or KB articles I'm very pleased.  Best regards, Hiroki
Can we use a vault drive of VNX for meta-volume of VPLEX?