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GaryGhotra
Contributor
Contributor

RDM for 3TB hard drive in ESXi 6.5

I recently upgraded hardware from plain box to Dell T600 RDM's.

So I have no option but to reconfigure this RDM's because device paths are different in new hardware but it's strange that I am not able to add RDM with disk size larger than 2TB.

[:~] vmkfstools -r /vmfs/devices/disks/naa.5000c5007c63caf9 /vmfs/volumes/folder/rdm-filename.vmdk

Failed to create virtual disk: The destination file system does not support large files (12).

I am not VMWare expert and using this as home lab and remember it worked using either of option -r or -z

vmkfstools -r /vmfs/devices/disks/t10.ATA_____ST3000DM0012D1ER166__________________________________W500AZ0J /vmfs/volumes/folder/rdm-filename.vmdk

I have another 1 TB hard drive but it worked with -z as it's less than 2TB.

I am using this RDM virtual disk for FREENAS and attached screen shots for what drive looks like in ESXi devices.

I hope it shouldn't be a problem adding existing FREENAS drive as RDM?

Any help will be much appreciated and thanks a lot in advance...

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DavoudTeimouri
Virtuoso
Virtuoso

Remove all partitions on the disk and try adding it again.

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Davoud Teimouri - https://www.teimouri.net - Twitter: @davoud_teimouri Facebook: https://www.facebook.com/teimouri.net/
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