From owner-freebsd-scsi@FreeBSD.ORG Sat Nov 20 15:22:40 2004 Return-Path: Delivered-To: freebsd-scsi@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id C03F816A4CE for ; Sat, 20 Nov 2004 15:22:40 +0000 (GMT) Received: from pooker.samsco.org (pooker.samsco.org [168.103.85.57]) by mx1.FreeBSD.org (Postfix) with ESMTP id 4801E43D54 for ; Sat, 20 Nov 2004 15:22:40 +0000 (GMT) (envelope-from scottl@freebsd.org) Received: from [192.168.254.11] (junior-wifi.samsco.home [192.168.254.11]) (authenticated bits=0) by pooker.samsco.org (8.12.11/8.12.10) with ESMTP id iAKFP8cR045713; Sat, 20 Nov 2004 08:25:08 -0700 (MST) (envelope-from scottl@freebsd.org) Message-ID: <419F6163.8080807@freebsd.org> Date: Sat, 20 Nov 2004 08:23:15 -0700 From: Scott Long User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.7.2) Gecko/20040929 X-Accept-Language: en-us, en MIME-Version: 1.0 To: pgrunwald@comcast.net References: <111820041936.4640.419CF9D3000529E60000122022007354460B040E99029A9D099F@comcast.net> In-Reply-To: <111820041936.4640.419CF9D3000529E60000122022007354460B040E99029A9D099F@comcast.net> X-Enigmail-Version: 0.86.1.0 X-Enigmail-Supports: pgp-inline, pgp-mime Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, hits=0.0 required=3.8 tests=none autolearn=no version=2.63 X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on pooker.samsco.org cc: freebsd-scsi@freebsd.org Subject: Re: Still having trouble with tape on Dell 2450 X-BeenThere: freebsd-scsi@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: SCSI subsystem List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 20 Nov 2004 15:22:40 -0000 pgrunwald@comcast.net wrote: > I'm still having a little trouble with the Python Drive on a dell 2450. IT was acting really flaky and it turns out that Dell sent me an unterminated cable. I replaced with Dell part number 8459u. > > Drive is seen at boot: > dmesg > . > . > . > Waiting 15 seconds for SCSI devices to settle > aacd0: on aac0 > aacd0: 52067MB (106633344 sectors) > sa0 at ahc0 bus 0 target 6 lun 0 > sa0: Removable Sequential Access SCSI-3 device > sa0: 40.000MB/s transfers (20.000MHz, offset 32, 16bit) > > > mt status > Mode Density Blocksize bpi Compression > Current: 0x26:DDS-4 1024 bytes 97000 DCLZ > ---------available modes--------- > 0: 0x26:DDS-4 1024 bytes 97000 DCLZ > 1: 0x26:DDS-4 1024 bytes 97000 DCLZ > 2: 0x26:DDS-4 1024 bytes 97000 DCLZ > 3: 0x26:DDS-4 1024 bytes 97000 DCLZ > --------------------------------- > Current Driver State: at rest. > --------------------------------- > File Number: 0 Record Number: 0 Residual Count 0 > > camcontrol eject sa0 does eject the tape. > > mt rewind immediatly returns as does mt retension > > mt erase seems to permanently hang the system and I have needed to reboot to kill the process. > > dump seems to work: > dump -0u -a -L -f /dev/sa0 /home > DUMP: Date of this level 0 dump: Thu Nov 18 12:31:29 2004 > DUMP: Date of last level 0 dump: the epoch > DUMP: Dumping snapshot of /dev/aacd0s1f (/home) to /dev/sa0 > DUMP: mapping (Pass I) [regular files] > DUMP: mapping (Pass II) [directories] > DUMP: estimated 1489 tape blocks. > DUMP: dumping (Pass III) [directories] > DUMP: dumping (Pass IV) [regular files] > DUMP: DUMP: 1019 tape blocks on 1 volume > DUMP: finished in less than a second > DUMP: level 0 dump on Thu Nov 18 12:31:29 2004 > DUMP: Closing /dev/sa0 > DUMP: DUMP IS DONE > > I'm having trouble with restore: > > root@samba:/tmp/restore_test$ mt fsf 1 > root@samba:/tmp/restore_test$ restore rf /dev/sa0 > tape read error: Unknown error: 0 > > > I was using this page as my guide: http://www.freebsddiary.org/dump-restore.php > Any suggestions? > > Thanks, > P. Simple question.... did you rewind the tape after the dump? Scott