Re: Reattach/redetect allways connected umass device - is it possible ?

From: Poul-Henning Kamp (phk_at_phk.freebsd.dk)
Date: 03/28/05

  • Next message: Bernd Walter: "Re: Reattach/redetect allways connected umass device - is it possible ?" 
    To: ticso@cicely.de
Date: Mon, 28 Mar 2005 16:24:30 +0200

    In message <20050328134856.GF14532@cicely12.cicely.de>, Bernd Walter writes:

    >> Driver support for this is not really meaterialized and therefore
    >> the model now is that when the media is ejected the geom device
    >> is removed and a new one created right away, even if a new media
    >> is not inserted right away.
    >
    >Do you get eject notifications from any device type?

    Right now I belive floppy disks DTRT.

    >One of my problems is that it is possible with SCSI MO drives to
    >eject the media, reinsert a new one and errously continue to work
    >with the old GEOM layout.
    >I already trashed the data on one media by forgetting to trigger
    >a reprobe - since then I use a mount script.

    Well, I have no idea how to pull the information out of the CAM/SCSI
    code, but I'm sure there is _some_ way it can be done. 

    -- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.
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  • Next message: Bernd Walter: "Re: Reattach/redetect allways connected umass device - is it possible ?"

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