“Raw Device Mappings” option not available when adding a hard disk to an existing VM.

[Anto1le]

Dear all,

When I try to add a new hard drive to an existing VM the "Raw Device Mappings" option is greyed and not available.

I have created a LUN on the SAN, the LUN is displaying under “Storage Adapters” but I think I am missing a step to convert this LUN into a raw device and a vmdk. I am a newbie and I have spent hours looking for documentation about that.

Does anyone could help me find that information ?

I am running ESX3.0 and VMWare Infrastructure 2.5

Thank you in advance,

Antoine

[vmroyale]

Hello and welcome to the forums.

Check out the SAN Configuration Guide and the Server Configuration Guide.

Good Luck!

[FirstByte]

Try this:

1- Either you have no storage presented and available to your hosts to add as a RDM, or if you do,

2- Add another virtual SCSI controller first, then try adding the RDM virtual disk

See if that helps

Cheers

Darren