Messages in this thread |  | | Date | Mon, 1 Jul 1996 21:24:27 +0200 (MEST) | From | Michael Neuffer <> | Subject | Re: SCSI bus reset |
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On 28 Jun 1996, Frohwalt Egerer wrote:
> neuffer@goofy.zdv.uni-mainz.de (Michael Neuffer) writes: > >> Exactly SCSI bus rescan. Is it possible? > > >It depends on the SCSI controller you are using. > > >I implemented support for this quite some time ago. > > >This is the comment: :-) > > /* > > * Usage: echo "scsi add-single-device 0 1 2 3" >/proc/scsi/scsi > > * with "0 1 2 3" replaced by your "Host Channel Id Lun". > > * Consider this feature BETA. > > * CAUTION: This is not for hotplugging your peripherals. As > > * SCSI was not designed for this you could damage your > > * hardware ! > > * However perhaps it is legal to switch on an > > * already connected device. It is perhaps not > > * guaranteed this device doesn't corrupt an ongoing data transfer. > > */ > > > Btw, this properly initializes Platters (LUN) 0-3 on my CD ROM > changer, and although Platter/LUN 4 and 5 are mentioned in the syslog > /dev/sr5 and /dev/sr6 are not useable afterwards. (The changer starts > at /dev/sr1 ...) > > Btw, the feature works great after turning on my external streamer, > which has a fan that probably has been a hovercraft engine in it's > before life ;-)
There is currently a hard limit of devices that can be attached this way, since the structures for this are hardcoded into the source.
Maybe we could make this more dynamic.
Mike
Michael Neuffer i-Connect.Net, a Division of iConnect Corp. mike@i-Connect.Net 14355 SW Allen Blvd., Suite 140 503.677.2900 Beaverton, OR 97008
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