Dev/st1 Input/output Error
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Tar Cannot Read Input/output Error
Flavours Support Hardware [SOLVED] HP tapedrive input/output error Having an Issue With Posting ? Do you want to help us debug the posting issues ? < is the place to report it, thanks ! Results 1 to 6 of 6 Thread: HP tapedrive input/output error Thread Tools Show Printable Version Subscribe to this Thread… Display tar: cannot write: input/output error Linear Mode Switch to Hybrid Mode Switch to Threaded Mode March 24th, 2010 #1 calyx View Profile View Forum Posts Private Message Visit Homepage First Cup of Ubuntu Join Date Apr 2005 Location Dublin, Ireland Beans 8 DistroUbuntu HP tapedrive input/output error I'm trying to set a backup to tape of a machine using flexbackup. However any attempt to write to the tape drive (via either flexbackup or just tar) results in "/dev/st0: Input/output error" The machine seems to recognise the drive ( HP Storageworks Ultrium 448 ) and that there's a tape in it and "mt status" seems to work... "mt -f /dev/st0 rewind" or "erase" throw no errors... Code: root@stor001:/# mt status SCSI 2 tape drive: File number=0, block number=0, partition=0. Tape block size 0 bytes. Density code 0x42 (LTO-2). Soft error count since last status=0 General status bits on (41010000): BOT ONLINE IM_REP_EN root@stor001:/# cat /proc/scsi/scsi Attached devices: Host: scsi0 Channel: 00 Id: 00 Lun: 00 Vendor: HL-DT-ST Model: D
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Common F23 Bugs Common F24 Bugs Communicate with Fedora The Documents Bug Reports Fedora Update System (Bodhi) Fedora Build System (Koji) Official Spins FedoraForum.org > Fedora 23/24 > Hardware & Laptops http://forums.fedoraforum.org/showthread.php?t=262434 Tape input/output error FedoraForum Search User Name Remember Me? Password Forgot Password? http://www.astro.sunysb.edu/sysman/fits.html Join Us! Register All Albums FAQ Today's Posts Search Hardware & Laptops Help with your hardware, including laptop issues Google™ Search FedoraForum Search Red Hat Bugzilla Search Search Forums Show Threads Show Posts Tag Search Advanced Search Go to Page... Thread Tools Search this Thread Display Modes #1 3rd output error May 2011, 02:46 AM AlwaysLearning Offline Registered User Join Date: Dec 2004 Posts: 40 Tape input/output error Hi all, I'm either missing the obvious or have four identically defective tape drives. Each is a Seagate or IBM Travan drive (yes, I know they're old and I need to access the data; they were in Win boxes) using QIC-80/DC-2120 media. I've been trying to solve this using three input output error Fedora boxes (different versions) and one Debian machine. The OS's recognize the drives and they show up as /dev/st0. more /proc/scsi/scsi Attached devices: Host: scsi0 Channel: 00 Id: 00 Lun: 00 Vendor: ATA Model: WDC WD1600JB-00D Rev: 65.1 Type: Direct-Access ANSI SCSI revision: 05 Host: scsi1 Channel: 00 Id: 00 Lun: 00 Vendor: HL-DT-ST Model: DVDRAM GSA-4163B Rev: A103 Type: CD-ROM ANSI SCSI revision: 05 Host: scsi1 Channel: 00 Id: 01 Lun: 00 Vendor: Seagate Model: STT20000A Rev: 8A51 Type: Sequential-Access ANSI SCSI revision: 02 dmesg | grep scsi scsi0 : pata_amd scsi1 : pata_amd scsi 0:0:0:0: Direct-Access ATA WDC WD1600JB-00D 65.1 PQ: 0 ANSI: 5 scsi 1:0:0:0: CD-ROM HL-DT-ST DVDRAM GSA-4163B A103 PQ: 0 ANSI: 5 scsi 1:0:1:0: Sequential-Access Seagate STT20000A 8A51 PQ: 0 ANSI: 2 sd 0:0:0:0: Attached scsi generic sg0 type 0 scsi 1:0:0:0: Attached scsi generic sg1 type 5 scsi 1:0:1:0: Attached scsi generic sg2 type 1 sr0: scsi3-mmc drive: 40x/40x writer dvd-ram cd/rw xa/form2 cdda tray sr 1:0:0:0: Attached scsi CD-ROM sr0 scsi2 : sata_nv scsi3 : sata_nv st 1:0:1:0: Attached scsi tape st0 scsi4 : sata_nv scsi5 : sata_nv dmesg | grep tape st 1:0:1:0: Attached scsi tape st0 With no media in the d
to recognize variable length records. This can be accomplished with the by issuing the following "mt" command before you attempt to read the tape with "dd" or "tar": % mt -f /dev/st0 setblk 0 If there are multiple files on the tape you should use the "no rewind" version of the device, /dev/nst0, instead of /dev/st0 Then the tar or FITS tape can be read with "tar" or "dd". For more information please see the "mt" man page on vulcan. In theory this will work for the Quantum DLT drive as well if you substitute /dev/st1 for the device (although it has not yet been tested). Reading FITS Tapes on the Exabyte Drive (courtesy of Gail Schaeffer) Set the block size for the tape drive using the mt command. A block size of 28800 bytes is common for FITS files (10 2880 byte records): % mt -f /dev/nst0 setblk 28800 To advance to a particular file you can also use the mt command. For example, to advance the tape by 5 files, % mt -f /dev/nst0 fsf 5 To check the current position of the tape and the block size: % mt -f /dev/nst0 status A sample output from this command is shown below. The tape has been advanced by 5 files so it sits at the beginning of the sixth file. SCSI 1 tape drive: File number=5, block number=0. Tape block size 28800 bytes. Density code 0x0 (default). Soft error count since last status=0 General status bits on (85010000): EOF WR_PROT ONLINE IM_REP_EN Files can be read off the tape by using the dd command shown below which is followed by typical output: % dd if=/dev/nst0 of=file.fits bs=28800 conv=noerror,sync dd: /dev/st0: Input/output error 582+0 records in 582+0 records out 582+1 records in 583+0 records out In this command 'if' is the input file/device, 'of' is the output file, and 'bs' is the block size. The conversions listed after 'conv' may help to read the tape when input/output errors are encountered. noerror forces dd to continue reading the tape after a read error is received. sync pads the file with trailing NULS so that the appropriate file size is achieved. (This becomes important when reading FITS files into IRAF.) The two conversion keywords are not necessary if the files can be read properly without them. The output from the dd command shows that an input/output error occurred after reading 582 blocks but was forced to continue reading until the appropriate end of file was reached. No error was received after reading 583 blocks.