Отправлено с iPhone

30 мая 2018 г., в 22:10, Mark Hounschell <markh@compro.net> написал(а):

I have this little script that shows my problem. It is broke or is sg_turs broken?

#!/bin/bash sg_turs /dev/sr0 > /dev/null RDY=$? echo "RDY = ${RDY}"

This script always says the sg_turs commands exit status is 0. Even with the door open and no disk installed.

Looking at (upstream) source code, return status can only be non-zero if option —progress is specified. I did not look whether return code actually reflects unit state in this case. Sounds like a bug.

The man page for the sg_turs command says:

EXIT STATUS The exit status of sg_turs is 0 when it is successful (e.g. in the case of a mechanical disk, it is spun up and ready to accept commands). For this utility the other exit status of interest is 2 corresponding to the "not ready" sense key. For other exit status values see the sg3_utils(8) man page.

Is my script broken or is sg_turs broken in this regard?

Thanks Mark

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