Deploying a new DELL R720, TPMFOSD fails in the Diskpart state because an SD card is recognized as a hard disk.
Diskpart recognizes at least two disks:
[2012/09/07 15:38:15] W <INF> * Disk 0 Online 1946 MB 1944 MB
[2012/09/07 15:38:15] W <INF> Disk 1 Online 408 GB 0 B
[2012/09/07 15:38:15] W <INF> Disk ID: A133AC87
[2012/09/07 15:38:15] W <INF> Type : USB
[2012/09/07 15:38:15] W <INF> Status : Online
[2012/09/07 15:38:15] W <INF> Path : 0
[2012/09/07 15:38:15] W <INF> Target : 0
[2012/09/07 15:38:15] W <INF> LUN ID : 0
Disk 0 is an SD CARD
DISK 1 one is Customer's RAID to be used for OSM.
APAR IV28778 has been opened to document as a known limitation that this DELL machine model has a new kind of bootable device (embedded internal SD card for embedded hipervisors) that, when enabled, is detected as primary boot device instead of the first hard disk.
This new kind of device is not supported by the OSD product.
Resolving the problem
As workaround to this issue, if you do not need to boot from SD, he can simply remove the SD card or disable the internal SD port from bios (see the previously attached withe paper from DELL).
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