BE 4.2 (upgrade from Seagate), Seagate STT8000A drive (internal).

Consistently receiving "The device received an invalid command Ref:

Tried new media, same problem. Problem appeared suddenly and was
immediately repeatable.

Anyone have a clue? I sure don't! Only thing I can think of is bad drive,
which is about one year old but used nightly for differential backups and at
least monthly for full backups.

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