From owner-freebsd-scsi Tue May 7 12:38:20 1996 Return-Path: owner-freebsd-scsi Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id MAA27898 for freebsd-scsi-outgoing; Tue, 7 May 1996 12:38:20 -0700 (PDT) Received: from Sisyphos (Sisyphos.MI.Uni-Koeln.DE [134.95.212.10]) by freefall.freebsd.org (8.7.3/8.7.3) with SMTP id MAA27887 for ; Tue, 7 May 1996 12:38:10 -0700 (PDT) Received: by Sisyphos id AA04492 (5.67b/IDA-1.5 for scsi@freebsd.org); Tue, 7 May 1996 21:38:03 +0200 Message-Id: <199605071938.AA04492@Sisyphos> From: se@zpr.uni-koeln.de (Stefan Esser) Date: Tue, 7 May 1996 21:38:02 +0200 In-Reply-To: Toerless Eckert "SCSI abort" (May 7, 20:43) X-Mailer: Mail User's Shell (7.2.6 alpha(2) 7/9/95) To: scsi@freebsd.org Subject: Re: SCSI abort Sender: owner-freebsd-scsi@freebsd.org X-Loop: FreeBSD.org Precedence: bulk On May 7, 20:43, Toerless Eckert wrote: } Subject: SCSI abort } Hi } } I was wondering if you could help me out with the following problem: } } I need to issue a SCSI "locate" command to a tape drive, that may need } to be aborted. This is used for audio DAT scsi, where the "locate" command } is meant to do "fast-forward" or "fast-backward" seeking and the } abort will simply terminate this seeking. How culd one initiate to } abort an issued SCSI command with FreeBSD. Is it possible ? has it been } tried ? will it work ? Is there a chance to issue SCSI-commands } asynchronuously anyhow ? This is possible by sending the ABORT message to the target, if it has disconnected before. See section 6.6.1 in the SCSI-2 draft (guess its the same section in the final document). Didn't check whether it is possible to send a SCSI message without a SCSI command under FreeBSD (don't access to my system, currently) ... Regards, STefan -- Stefan Esser, Zentrum fuer Paralleles Rechnen Tel: +49 221 4706021 Universitaet zu Koeln, Weyertal 80, 50931 Koeln FAX: +49 221 4705160 ============================================================================== http://www.zpr.uni-koeln.de/~se