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    SubjectRe: ATAPI Seagate CTT8000 on Kernel 2.0.36
    Thanks... I've dumped the Seagate TR4 tape drive and bought a SCSI 4mm DAT... Just walked my
    eyes and hands through it and its working ...

    Juan Casero wrote:

    > On Tue, 23 Mar 1999, Barry Treahy wrote:
    >
    > I can't comment on what others have experienced but I can say that the 2.2.x
    > kernels for me have not been a problem. There are some minor bugs to be sure
    > but they are more of a nuisance than anything serious. Moving over to the 2.2.x
    > kernels have not impeded me in any way. I followed the instructions for the
    > new kernel upgrades to the letter. I expect deviations from it might cause
    > problems. In either case I do not recommend you install the new kernel unless
    > you are in fron of the machine. Your situation is risky and if you're not
    > careful you may end up with a server or workstation that won't boot. Unless it
    > is absolutely critical I recommend you hold off trying to fix the tape or any
    > other issue until you get back to England or have someone else over there do
    > it for you.
    >
    > Good Luck......
    >
    > >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 . . .
    > >
    > >
    > >
    > >-====---====---====---====---====---====---====---====---====---====---====-
    > > 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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