> > commenting out the error check after ata_dev_init_params() call in
quoted text
> > ata_dev_read_id() function (libata-core.c), I got at least the device name.
> > The capacity is 0 so it doesn't work, obviously:

If you don't read the ID then it wouldn't.

quoted text
> I captured the IDENTIFY data from the virtual device. I'm not ATA guru but
> looking at the data, there are zeros at many places where something should be.
> That number starting at 0x78 looks like size of the array in sectors
> (0x4C726C or 0x4C6C72 - the array is built from 2.5GB and 6.4GB drives).

The Ident data for the virtual device is fairly sparse but the specs
don't require a lot of the field are filled in and only the LBA really
matters.

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