DLT-4000 drive on Dell6100/SLES 9 sp1
I cannot get the DLT tape drive to work.
Running Suse Linux Enterprise Server v9 sp1 on a Dell 6100/200 with LSI Megaraid Controller/Adaptec 7880 scsi. The DLT-4000 tape drive is on the non-raid controller channel with a cdrom (which works fine), and I've loaded a new Quantum DLTtape IV (40/80 GB), and green light came on. Set the Density Select button to 20.0gb/Compress/Density Override indicators flashing yellow. I cannot mount the st0 drive or otherwise make use of the tape drive. Can someone help me? Is there some step I've missed (like "formatting" the tape - remember tape drive newbie here ;-)? eduapp04:/ # mt -f /dev/st0 status mt: /dev/st0: Input/output error Looking in /dev I found a directory /dev/tape/by-path: eduapp04:/dev/tape/by-path # ls -al total 0 drwxr-xr-x 2 root root 104 Jan 28 11:44 . drwxr-xr-x 3 root root 72 Jan 4 05:02 .. lrwxrwxrwx 1 root root 9 Jan 28 11:44 pci-0000:01:0c.0-scsi-0:0:6:0-generic -> ../../sg1 but /dev/sg1 will not respond to mount either. eduapp04:/dev # mt -f /dev/sg1 status mt: /dev/sg1: Operation not permitted eduapp04:/dev # From some of the posts here I tried the following commands for some more info: --- and THANKS for any help received! ************************************************************ eduapp04:~ # dmesg | grep scsi scsi0 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.36 (scsi0:A:1): 20.000MB/s transfers (20.000MHz, offset 15) scsi1 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.36 scsi2:Found MegaRAID controller at 0xe490, IRQ:20 scsi2 : LSI Logic MegaRAID U.77 254 commands 16 targs 5 chans 7 luns scsi2: scanning scsi channel 0 for logical drives. Attached scsi disk sda at scsi2, channel 0, id 0, lun 0 scsi2: scanning scsi channel 4 [P0] for physical devices. scsi2: scanning scsi channel 5 [P1] for physical devices. sr0: scsi-1 drive Attached scsi CD-ROM sr0 at scsi0, channel 0, id 1, lun 0 Attached scsi tape st0 at scsi0, channel 0, id 6, lun 0 Attached scsi generic sg0 at scsi0, channel 0, id 1, lun 0, type 5 Attached scsi generic sg1 at scsi0, channel 0, id 6, lun 0, type 1 Attached scsi generic sg2 at scsi2, channel 0, id 0, lun 0, type 0 Attached scsi generic sg3 at scsi2, channel 4, id 6, lun 0, type 3 Attached scsi generic sg4 at scsi2, channel 4, id 6, lun 1, type 3 Attached scsi generic sg5 at scsi2, channel 4, id 6, lun 2, type 3 Attached scsi generic sg6 at scsi2, channel 4, id 6, lun 3, type 3 Attached scsi generic sg7 at scsi2, channel 4, id 6, lun 4, type 3 Attached scsi generic sg8 at scsi2, channel 4, id 6, lun 5, type 3 Attached scsi generic sg9 at scsi2, channel 4, id 6, lun 6, type 3 ************************************************************ eduapp04:/ # mt -f /dev/st0 status mt: /dev/st0: Input/output error ************************************************************ eduapp04:/dev # lsmod Module Size Used by vfat 19456 0 fat 49824 1 vfat usbserial 36080 0 parport_pc 41280 1 lp 15492 0 parport 44232 2 parport_pc,lp edd 13720 0 joydev 14528 0 sg 41760 0 st 45212 0 sr_mod 21028 0 ide_cd 42628 0 cdrom 43036 2 sr_mod,ide_cd nvram 13448 0 ipv6 275580 41 af_packet 26376 2 evdev 13952 0 usbcore 116700 2 usbserial e100 38400 0 mii 9344 1 e100 subfs 12160 2 dm_mod 59904 0 reiserfs 264016 1 megaraid 44104 3 megaraid_mm 15648 0 aic7xxx 198452 1 sd_mod 25088 4 scsi_mod 120132 6 sg,st,sr_mod,megaraid,aic7xxx,sd_mod ************************************************************ eduapp04:/dev # cat /proc/scsi/scsi Attached devices: Host: scsi0 Channel: 00 Id: 01 Lun: 00 Vendor: TOSHIBA Model: CD-ROM XM-6401TA Rev: 1009 Type: CD-ROM ANSI SCSI revision: 02 Host: scsi0 Channel: 00 Id: 06 Lun: 00 Vendor: Quantum Model: DLT4000 Rev: CD50 Type: Sequential-Access ANSI SCSI revision: 02 Host: scsi2 Channel: 00 Id: 00 Lun: 00 Vendor: MegaRAID Model: LD0 RAID5 42840R Rev: U.77 Type: Direct-Access ANSI SCSI revision: 02 Host: scsi2 Channel: 04 Id: 06 Lun: 00 Vendor: DELL Model: 6UW BACKPLANE Rev: 7 Type: Processor ANSI SCSI revision: 02 Host: scsi2 Channel: 04 Id: 06 Lun: 01 Vendor: DELL Model: 6UW BACKPLANE Rev: 7 Type: Processor ANSI SCSI revision: 02 Host: scsi2 Channel: 04 Id: 06 Lun: 02 Vendor: DELL Model: 6UW BACKPLANE Rev: 7 Type: Processor ANSI SCSI revision: 02 Host: scsi2 Channel: 04 Id: 06 Lun: 03 Vendor: DELL Model: 6UW BACKPLANE Rev: 7 Type: Processor ANSI SCSI revision: 02 Host: scsi2 Channel: 04 Id: 06 Lun: 04 Vendor: DELL Model: 6UW BACKPLANE Rev: 7 Type: Processor ANSI SCSI revision: 02 Host: scsi2 Channel: 04 Id: 06 Lun: 05 Vendor: DELL Model: 6UW BACKPLANE Rev: 7 Type: Processor ANSI SCSI revision: 02 Host: scsi2 Channel: 04 Id: 06 Lun: 06 Vendor: DELL Model: 6UW BACKPLANE Rev: 7 Type: Processor ANSI SCSI revision: 02 :confused: :confused: |
POSSIBLY SOLVED! Our school received a donation of 2 Dell 6100s and I caniballized one of them for it's DLT4000 drive; tried this other unit in the problem machine and Presto! it seems to work fine. Original DLT drive has a hardware problem I guess.
Thanks to the forum for many other clues on how to approach this,and one in particular for a backup script I'm putting to use with some mods... Regards, NeilB |
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