Re: [RFC] New Driver Model for 2.5

Pavel Machek
2001-10-25T21:14:05Z

Hi!

> > The act of "suspend" should basically be: shut off the SCSI controller,
> > screw all devices, reset the bus on resume.
> >
>
> Doing so will create havoc on sequential devices, such as tape drives. If
> your system simply suspends, then all is well. Any data that isn't flushed
> yet is buffered inside the tapedrive. But when the system resumes and resets
> the SCSI bus, it will cause all data in the tape drive to be lost, and for
> most tape systems it will also re-position them at LBOT. Any running
> tar/dump/whatever tape process would not survive such a suspend-resume
> cycle.

Then there's something wrong with st.

Imagine EMI comes and SCSI gets reset. That should not mean tar
failing, right? So you have st broken in first place.
Pavel
--
STOP THE WAR! Someone killed innocent Americans. That does not give
U.S. right to kill people in Afganistan.