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SubjectRe: ATAPI Seagate CTT8000 on Kernel 2.0.36
Perhaps I didn't mention it, but the machine is in England and I'm in Arizona!!! I'm
not real excited about making a major jump in the kernel and I've been watching the
list intently for the past months and since 2.2 was released, I do not get the feeling
that it is rock-solid. For those that might be wondering, yes, this is the exact same
machine that I'm having problems with the Out of File Descriptors and the postings
associated with it.

The I/O errors listed with the dmesg came from various tar and mt rewind attempts... I
didn't expect different results with the retension command nor did I get them.

Thanks.

Barry

Juan Casero wrote:

> Are you using RedHat 5.2? If so then you should consider moving over to kernel
> 2.2.x. I currently use kernel 2.2.3 on a RedHat 5.2 system and am able to
> reliable write data to and receive data from my IDE tape drive using SCSI
> emulation. However, I don't use SCSI emulation for the other EIDE devices.
> Things like my hard drives and cdroms I use the EIDE drivers.
>
> Put a tape in the drive and then issue the command:
>
> $mt -f /dev/st0 reten
>
> That should retension the tape and test the communications between the drive
> and the driver. Post any messages you get.
>
> Juan
>
> On Tue, 23 Mar 1999, Barry Treahy wrote:
> >Juan and all... I just rebuilt the kernel with SCSI emulation for the tape drive
> >and I've included the dmesg which shows that it is recognized, but I'm still
> >getting errors, now SCSI rather than the errors from native ATAPI. Can anyone
> >offer 2 cents as to whether these errors are an indication of a failed device,
> >incorrectly configured kernel (my fault), perhaps a bad SCSI emulation or what?
> >
> >TIA
> >
> >Barry
> >
> >mml1:~# dmesg
> >8k kernel code, 384k reserved, 792k data)
> >Swansea University Computer Society NET3.035 for Linux 2.0
> >NET3: Unix domain sockets 0.13 for Linux NET3.035.
> >Swansea University Computer Society TCP/IP for NET3.034
> >IP Protocols: ICMP, UDP, TCP
> >VFS: Diskquotas version dquot_5.6.0 initialized
> >Checking 386/387 coupling... Ok, fpu using exception 16 error reporting.
> >Checking 'hlt' instruction... Ok.
> >Linux version 2.0.36 (root@mml1) (gcc version 2.7.2.3) #1 Tue Mar 23 16:39:04 GM
> >T 1999
> >Starting kswapd v 1.4.2.2
> >Serial driver version 4.13 with no serial options enabled
> >tty00 at 0x03f8 (irq = 4) is a 16550A
> >tty01 at 0x02f8 (irq = 3) is a 16550A
> >PS/2 auxiliary pointing device detected -- driver installed.
> >hda: FX240S, ATAPI CDROM drive
> >hdb: SEAGATE STT8000-A, ATAPI TAPE drive - enabling SCSI emulation
> >ATAPI overlap supported: No
> >ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
> >Floppy drive(s): fd0 is 1.44M
> >FDC 0 is a National Semiconductor PC87306
> >(scsi0) <Adaptec AHA-294X Ultra SCSI host adapter> found at PCI 11/0
> >(scsi0) Wide Channel, SCSI ID=7, 16/255 SCBs
> >(scsi0) Warning - detected auto-termination
> >(scsi0) Please verify driver detected settings are correct.
> >(scsi0) If not, then please properly set the device termination
> >(scsi0) in the Adaptec SCSI BIOS by hitting CTRL-A when prompted
> >(scsi0) during machine bootup.
> >(scsi0) Cables present (Int-50 NO, Int-68 YES, Ext-68 NO)
> >(scsi0) Downloading sequencer code... 419 instructions downloaded
> >scsi0 : Adaptec AHA274x/284x/294x (EISA/VLB/PCI-Fast SCSI) 5.1.4/3.2.4
> > <Adaptec AHA-294X Ultra SCSI host adapter>
> >scsi1 : SCSI host adapter emulation for IDE ATAPI devices
> >scsi : 2 hosts.
> > Vendor: SEAGATE Model: ST34371W Rev: 0360
> > Type: Direct-Access ANSI SCSI revision: 02
> >Detected scsi disk sda at scsi0, channel 0, id 0, lun 0
> > Vendor: IBM Model: DCAS-34330W Rev: S65A
> > Type: Direct-Access ANSI SCSI revision: 02
> >Detected scsi disk sdb at scsi0, channel 0, id 1, lun 0
> > Vendor: SEAGATE Model: STT8000-A Rev: 2.11
> > Type: Sequential-Access ANSI SCSI revision: 02
> >Detected scsi tape st0 at scsi1, channel 0, id 0, lun 0
> >scsi : detected 1 SCSI tape 2 SCSI disks total.
> >(scsi0:0:0:0) Synchronous at 20.0 Mbyte/sec, offset 8.
> >SCSI device sda: hdwr sector= 512 bytes. Sectors= 8496960 [4148 MB] [4.1 GB]
> >(scsi0:0:1:0) Synchronous at 20.0 Mbyte/sec, offset 8.
> >SCSI device sdb: hdwr sector= 512 bytes. Sectors= 8467200 [4134 MB] [4.1 GB]
> >PPP: version 2.2.0 (dynamic channel allocation)
> >TCP compression code copyright 1989 Regents of the University of California
> >PPP Dynamic channel allocation code copyright 1995 Caldera, Inc.
> >PPP line discipline registered.
> >SLIP: version 0.8.4-NET3.019-NEWTTY (dynamic channels, max=256).
> >CSLIP: code copyright 1989 Regents of the University of California.
> >3c59x.c:v0.99H 11/17/98 Donald Becker
> >http://cesdis.gsfc.nasa.gov/linux/drivers/vortex.html
> >eth0: 3Com 3c905 Boomerang 100baseTx at 0xff00, 00:60:08:27:45:ab, IRQ 9
> > 8K word-wide RAM 3:5 Rx:Tx split, autoselect/MII interface.
> > MII transceiver found at address 24, status 786d.
> > Enabling bus-master transmits and whole-frame receives.
> >Partition check:
> > sda: sda1 sda2 sda3 sda4 < sda5 sda6 sda7 >
> > sdb: sdb1
> >VFS: Mounted root (ext2 filesystem) readonly.
> >Adding Swap: 66556k swap-space (priority -1)
> >Unable to load NLS charset cp437(nls_cp437)
> >st0: Error with sense data: extra data not valid Current error st09:00: sense key
> >Illegal Request
> >Additional sense indicates Invalid command operation code
> >st0: Error with sense data: extra data not valid Deferred error st09:00: sense key
> >Hardware Error
> >st0: Error with sense data: extra data not valid Current error st09:00: sense key
> >Illegal Request
> >Additional sense indicates Invalid command operation code
> >st0: Error with sense data: extra data not valid Current error st09:00: sense key
> >Hardware Error
> >mml1:~#
> >
> >Juan Casero wrote:
> >
> >> On Mon, 22 Mar 1999, Barry Treahy wrote:
> >>
> >> I have an HP Colorado 2.5/5.0 GB IDE ATAPI tape drive. When I used the
> >> ide-tape driver in the kernel I saw the exact same error messages. I have
> >> recently moved over to SCSI emulation for IDE Tape drives. You can get more
> >> information about this by posting to linux-tape@vger.rutgers.edu. For what
> >> it's worth I think the problem is with the tape driver and not with the drive.
> >>
> >> Cheers
> >>
> >> >>Are there any type of diagnostics that I can run for an IDE tape
> >> drive >or is anyone aware of problems with this type of configuration and
> >> >Linux? The kernel is 2.0.36 with a Seagate CTT8000 which is a 4GB TR4
> >> >type tape drive in a Gateway box. The system has been running for about
> >> >18 months and the drive runs fine for about 5-7 months, and then we
> >> >start getting various errors like:
> >> >
> >> >mml1:/usr/adm# tar -tvf /dev/ht0
> >> >tar: Cannot open /dev/ht0: I/O error
> >> >tar: Error is not recoverable: exiting now
> >> >mml1:/usr/adm# mt -f /dev/ht0 rewind
> >> >/dev/ht0: I/O error
> >> >
> >> >We swap tapes, old and new, clean the drive and nothing seems to resolve
> >> >the problem other than swapping the drive out. I'm not a fan of TR4's
> >> >but I have two SCSI versions of this same drive, CTT8000S, in a SCO and
> >> >(excuse me) NT machine and though I have had to swap out the SCO drive
> >> >once, the NT has been fine.
> >> >
> >> >The real pain is that GW is of NO help when we contact their support
> >> >line to replace a swap because we're not running WIN 95 or 98 on their
> >> >machine. It takes weeks of fighting with these people everytime to get
> >> >a replacement. I just want to make sure that there isn't something else
> >> >that I'm missing...
> >> >
> >> >TIA
> >> >
> >> >Barry
> >> >
> >>
> >> ----------------------------------------
> >> Content-Type: text/html; name="unnamed"
> >> Content-Transfer-Encoding: 7bit
> >> Content-Description:
> >> ----------------------------------------
> >>
> >> --
> >> Juan Casero
> >> email: casero@bellsouth.net
> >> __ _
> >> / / (_)__ __ ____ __
> >> / /__/ / _ \/ // /\ \/ / . . . t h e c h o i c e o f a
> >> /____/_/_//_/\_,_/ /_/\_\ G N U g e n e r a t i o n . . .
> >
> >
> >
> >-====---====---====---====---====---====---====---====---====---====---====-
> > to unsubscribe email "unsubscribe linux-admin" to majordomo@vger.rutgers.edu
> > See the linux-admin FAQ: http://www.kalug.lug.net/linux-admin-FAQ/
> --
> Juan Casero
> email: casero@bellsouth.net
> __ _
> / / (_)__ __ ____ __
> / /__/ / _ \/ // /\ \/ / . . . t h e c h o i c e o f a
> /____/_/_//_/\_,_/ /_/\_\ G N U g e n e r a t i o n . . .




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