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SubjectRe: [PATCH v2] libata: Simulate REPORT LUNS for ATAPI devices
Darrick J. Wong wrote:
> The Quantum GoVault SATAPI removable disk device returns ATA_ERR in
> response to a REPORT LUNS packet. If this happens to an ATAPI device
> that is attached to a SAS controller (this is the case with sas_ata),
> the device does not load because SCSI won't touch a "SCSI device"
> that won't report its LUNs. Since most ATAPI devices don't support
> multiple LUNs anyway, we might as well fake a response like we do for
> ATA devices.
> Signed-off-by: Darrick J. Wong <>

I'm leaning towards applying this, perhaps with a module option that
allows experimenters to revert back to the older behavior.

Any chance you could be talked into tackling some of the SAT
translation-related items Doug G mentioned? I'm almost certain there
are some info pages we should be returning, but are not, at the very least.


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