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Ftape-HOWTO
Claus-Justus Heine, <heine@math1.rwth-aachen.de>
v3.0, August 1998This HOWTO discusses essential do's and dont's for the
ftape
floppy tape driver under Linux. It focusses on the newest version
which is ftape-4.02 at the time of this writing. This HOWTO is to
be intended as first step help and source of information.
The ftape driver interfaces to QIC-40, QIC-80, QIC-3010 and
QIC-3020 compatible drives, and to the Iomega Ditto 2GB and Ditto Max
drives. The QIC-3010 and QIC-3020 standards are also known as
`Travan' (TR-2 and TR-3). These drives connect via the floppy disk
controller (FDC) which may be either an internal FDC or inside of
certain parallel port floppy tape drives. Please refer to the section
Supported drives for further
information.
ftape does not cover SCSI or QIC-02 tape drives. DAT tape
drives usually (always?) connect to a SCSI controller.
This is but one of the Linux HOWTO documents. You can get an index of
the HOWTOs from
the Linux HOWTO index, while the real HOWTO's can be fetched (using
ftp) from sunsite.unc.edu:pub/Linux/doc/HOWTO (this is
the ``official'' place) or via the World Wide Web from
the Linux Documentation Project home page.
1. Legalese
2. Revision History
3. The preliminaries
4. Getting and installing ftape
- 4.1 Getting
ftape - 4.2 Differences between
ftape-2.x,ftape-3.xandftape-4.xversions - 4.3 Installing the driver with v2.0.x and earlier kernels
- 4.4 Installing the driver with v2.1.x and later kernels
- 4.5 Following the development of the
ftapedriver - 4.6 Mixing
ftapeand floppies
5. The Care and Feeding of Tape and Tape Drives
6. Hardware support
- 6.1 Supported tape drives
- 6.2 Supported special controllers
- 6.3 Unsupported tape drives
- 6.4 Using an external tape drive with
ftape - 6.5 PCI motherboards and
ftape
7. Backing up and restoring data
- 7.1 Writing an archive to a tape
- 7.2 Restoring an archive
- 7.3 Testing the archive
- 7.4 Putting more than one backup on a tape
- 7.5 Appending files to an archive
- 7.6 Mount/unmounting tapes
8. Creating an emergency boot floppy for ftape
9. Frequently Asked Questions
10. FAQ: "Compiling and installing Ftape" related questions !
- 10.1 What Ftape version should I use?
- 10.2 I'm having problems getting my XYZ drive to run under the 2.0.xx kernel with the built-in driver. How do I fix this?
- 10.3 I'm running Linux/SMP and the system just freezes when trying to access the Ftape devices!
- 10.4 Why does depmod complain about "undefined symbols"?
- 10.5 "insmod" says the kernel version is wrong
- 10.6 "insmod" says that kernel 1.2.0 and 1.2.0 differ
- 10.7 Trying to compile Ftape gives me the error "modversions.h: no such file or directory"
- 10.8 What is this versioned symbols stuff anyway?
- 10.9 I seem to be getting sftape instead of zftape. When I run "ftmt status" command, I get output that the Ftape docs says corresponds to sftape ( /dev/qft0: Invalid argument ). Why?
- 10.10 My Ditto DASH/FC-20/Exabyte Accelerator card works under Microsoft Windows, but I get a drive not found type of error in /var/log/messages when trying to use it under Linux.
- 10.11 Ftape DMA transfers gives ECC errors
- 10.12 Help! I'm getting 'dmaalloc() failed' in my syslog file.
- 10.13 Syslogd works overtime when running Ftape
- 10.14 How do I change the trace-level?
- 10.15 I'm having problems with Ftape. I'm using the latest version of Ftape from the Ftape Home Page and believe that I've located a real bug. What should I do?
11. FAQ: "Using Ftape" related questions !
- 11.1 How fast is Ftape ?
- 11.2 When I write to some of my tapes, they seem to spend a lot of time "shoe-shining," or repositioning instead of streaming. Is something wrong with my system?
- 11.3 Do I have to reboot to the DOS world to format tapes?
- 11.4 Is it possibly to format Ditto 2GB tapes with ftape?
- 11.5 Is it possibly to format Ditto Max or Max Pro tapes with ftape?
- 11.6 Ftape detects more bad sectors than DOS on QIC-3020 tapes
- 11.7 Is it ok that I'm not hearing the tape move when I do a fsf or a bsf with mt?
- 11.8 Why does my XYZ backup program complain about "Invalid argument" errors?
- 11.9 I/O errors and FDC - some explanations.
- 11.10 Why do I get "/dev/qft0: No such device" errors?
- 11.11 I get "device busy" when I make multiple backups on a tape using some script.
- 11.12 How do I "..." with tar?
- 11.13 What block-size should I use with tar ?
- 11.14 Where can I find the tar/mt/cpio/dd binaries - sources - manpages?
- 11.15 If I use tapers compression, is it a bad idea to use the compression with zftape, or would it be better to not use tapers compression, and let zftape do it?
- 11.16 How does zftape compression compare to say gzip -9?
- 11.17 I don't trust compression, but hear that the sftape interface is going away. What should I do?
- 11.18 Ftape says "This tape has no 'Linux raw format"
- 11.19 Can I exchange tapes with someone using DOS?
- 11.20 How does `mt eom' work when you've started overwriting a tape in the middle?
- 11.21 When I made backups before using taper, under the 2.0.29 ftape my drive didn't support fsf, under the new zftape it does, why would this be, and what exactly is fsf ?
- 11.22 What exactly is the difference between ftape, and zftape?
- 11.23 What is the difference between a rewinding, and non rewinding drive?
- 11.24 Can someone tell me how to use mt to rewind my TR-3 drive one record using zftape record, so I can verify it?
- 11.25 By non-rewinding, they mean that it doesn't automatically rewind, correct? It doesn't mean that under no circumstances it will rewind, right? I tried using /dev/zqft0, and it instantly rewinds the tape.
- 11.26 What is the difference between what mt considers a record and what it considers a file?
- 11.27 Reusing tapes with zftape without reformatting the tape.
- 11.28 This script implements a simple contents listing for the zftape package using the "MTIOCVOLINFO" ioctl.
12. FAQ: "Tape and Drivers" related questions !
- 12.1 What are good makers of Travan tapes?
- 12.2 Where can I obtain the QIC standards?
- 12.3 Is the Iomega Ditto 2GB drive supported?
- 12.4 Is the Iomega Ditto Max drive supported?
- 12.5 Is the Iomega Ditto Max Pro drive supported?
13. FAQ: Miscellaneous !
- 13.1 How to subscribe to the Ftape Mailing List?
- 13.2 How to un-subscribe from the Ftape Mailing List?
- 13.3 Links to related information.
14. Debugging the ftape driver
- 14.1 The kernel/
ftapecrashes on me when I do `...' - is that a bug? - 14.2 OK, it's a bug ...ehhh... feature - How do I submit a report?
15. Contributions
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