From mboxrd@z Thu Jan 1 00:00:00 1970 Message-Id: <200103251635.KAA16519@lists.linuxppc.org> Subject: Re: st corruption From: Guillaume Laures To: Geert Uytterhoeven Cc: Tony Mantler , Linux/PPC Development In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Date: 25 Mar 2001 17:08:04 +0200 Mime-Version: 1.0 Sender: owner-linuxppc-dev@lists.linuxppc.org List-Id: Time to try out the DDS-2 that came with my ANS 700 :-) Le 22 Mar 2001 17:14:01 -0600, Tony Mantler a écrit : > > At 1:41 PM -0600 3/22/2001, Geert Uytterhoeven wrote: > [...] > >Just create some large files, make md5sums, tar them to tape, > >untar them from tape, and verify the md5sums. I see approx. 7 blocks of > >corrupted data for 256 MB of data. > > merida:/home/nicoya# cat /proc/scsi/scsi Host: scsi0 Channel: 00 Id: 00 Lun: 00 Vendor: MATSHITA Model: CD-ROM CR-8005A Rev: 4.0i Type: CD-ROM ANSI SCSI revision: 02 Host: scsi0 Channel: 00 Id: 01 Lun: 00 Vendor: HP Model: C1533A Rev: 9503 Type: Sequential-Access ANSI SCSI revision: 02 Host: scsi0 Channel: 00 Id: 02 Lun: 00 Vendor: SEAGATE Model: ST15150W_APL Rev: 9503 Type: Direct-Access ANSI SCSI revision: 02 scsi0 is : sym53c8xx: at PCI bus 0, device 17, function 0 sym53c8xx: setting PCI_COMMAND_IO... sym53c8xx: setting PCI_COMMAND_PARITY...(fix-up) sym53c8xx: 53c825a detected sym53c8xx: at PCI bus 0, device 18, function 0 sym53c8xx: setting PCI_COMMAND_IO... sym53c8xx: setting PCI_COMMAND_PARITY...(fix-up) sym53c8xx: 53c825a detected sym53c825a-0: rev 0x11 on pci bus 0 device 17 function 0 irq 22 sym53c825a-0: ID 7, Fast-10, Parity Checking sym53c825a-1: rev 0x11 on pci bus 0 device 18 function 0 irq 26 sym53c825a-1: ID 7, Fast-10, Parity Checking scsi0 : sym53c8xx-1.7.1-20000726 scsi1 : sym53c8xx-1.7.1-20000726 scsi2 : 53C94 scsi : 3 hosts. > merida:/home/nicoya# mt status SCSI 2 tape drive: File number=0, block number=0, partition=0. Tape block size 0 bytes. Density code 0x13 (DDS (61000 bpi)). Soft error count since last status=0 General status bits on (41010000): BOT ONLINE IM_REP_EN > merida:/home/nicoya# dd if=/dev/cdrom of=testfile bs=1024k count=256 256+0 records in 256+0 records out > merida:/home/nicoya# md5sum testfile 13b37214355ea84d906a54bb14c1c0be testfile > merida:/home/nicoya# tar -c testfile >/dev/st0 > merida:/home/nicoya# mv testfile testfile.1 > merida:/home/nicoya# tar -x merida:/home/nicoya# md5sum testfile 13b37214355ea84d906a54bb14c1c0be testfile uname -a : Linux shiner.gom.net 2.2.18-snd-bkport #26 Wed Feb 28 23:19:57 CET 2001 ppc unknown So no prob here either with close hardware. Cheers -- GoM ** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/