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: Scott Long: "Re: Reattach/redetect allways connected umass device - is it possible ?"
    To: Scott <scottl@samsco.org>
    Date: Mon, 28 Mar 2005 18:26:30 +0200
    
    

    In message <42481C66.7090409@samsco.org>, Scott writes:

    >So are you saying that an async notification mechanism needs to be
    >invented for SCSI, or that all SCSI users should be required to use
    >SES or SAFTE enclosures for all SCSI devices, or that we should be like
    >Windows and constantly poll the devices?

    I don't care _how_ we make CAM/SCSI behave like the users expect.

    -- 
    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.
    _______________________________________________
    freebsd-current@freebsd.org mailing list
    http://lists.freebsd.org/mailman/listinfo/freebsd-current
    To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"
    

  • Next message: Scott Long: "Re: Reattach/redetect allways connected umass device - is it possible ?"

    Relevant Pages

    • SCSI subsystem supports two modes of data transfer: asynchronous and synchronous
      ... The maximum data-transfer rate across the small computer system interface is five times faster than across the enhanced small device interface bus. ... However, because SCSI devices are independent of the SCSI controller, all devices do not have to transfer data at the same rate. ... For example, as soon as a hard disk drive has received a command from the SCSI controller, it can disconnect from the interface. ...
      (comp.sys.ibm.ps2.hardware)
    • Re: solaris 9 x86 12/03: scsi disk timeout
      ... quantum atlas v 18 wls ... the external box is connected to the server by a less than one meter scsi ... i think i will go to disconnect all the scsi devices and then i will try to ... > external SCSI devices attached? ...
      (comp.unix.solaris)
    • Re: TLZ07-DA box
      ... >your scsi devices ask yourself why that is. ... All of the external SCSI ... I stopped using large SCSI connectors several ... I don't own any HV differential SCSI devices, ...
      (comp.sys.dec)
    • Re: [SCSI] SCSI block devices larger then 2TB
      ... Current aic79xxx driver doesn't see SCSI devices larger, ... LSI driver is the only one I found working with devices over 2TB; I couldn't test any other driver, as I don't have the hardware. ... If you have a support contract with Adaptec complain to them. ...
      (Linux-Kernel)
    • [SLE] SuSE 9.1/YaST miss SCSI devices
      ... After upgrading Suse 9.0 Pro to Suse 9.1 Pro, Yast does only detect 1 of ... my connected SCSI devices, a Yamaha CRW4416S internal CD burner. ... the same SCSI controller, Adaptec 2904/AIC-7850. ...
      (SuSE)