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<H1>The Ftape-FAQ</H1>

<H2>Johan De Wit, <CODE>&lt;jo@correct.nl&gt;</CODE></H2> v0.2, 07 december 1997
<P><HR>
<EM>This is a very incomplete attempt to create a FAQ for the <EM>Ftape
Floppy Tape Device Driver</EM>.  Any suggestions, remarks ... that could
improve this FAQ are welcome indeed.
The most recent version of this FAQ can be found at 
<A HREF="http://www.correct.nl/~ftape/">&lt;http://www.correct.nl/~ftape/&gt;</A> </EM>
<HR>
<P>
<H2><A NAME="toc1">1.</A> <A HREF="Ftape-FAQ-1.html">A Word From The Maintainer Of Ftape.</A></H2>

<P>
<H2><A NAME="toc2">2.</A> <A HREF="Ftape-FAQ-2.html">"Compiling and installing Ftape" related questions !</A></H2>

<UL>
<LI><A HREF="Ftape-FAQ-2.html#ss2.1">2.1 What Ftape version should I use?</A>
<LI><A HREF="Ftape-FAQ-2.html#ss2.2">2.2 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?</A>
<LI><A HREF="Ftape-FAQ-2.html#ss2.3">2.3 I'm running Linux/SMP and the system just freezes when trying to access the Ftape devices!</A>
<LI><A HREF="Ftape-FAQ-2.html#ss2.4">2.4 Why does depmod complain about "undefined symbols"?</A>
<LI><A HREF="Ftape-FAQ-2.html#ss2.5">2.5 "insmod" says the kernel version is wrong</A>
<LI><A HREF="Ftape-FAQ-2.html#ss2.6">2.6 "insmod" says that kernel 1.2.0 and 1.2.0 differ</A>
<LI><A HREF="Ftape-FAQ-2.html#ss2.7">2.7 Trying to compile Ftape gives me the error "modversions.h: no such file or directory"</A>
<LI><A HREF="Ftape-FAQ-2.html#ss2.8">2.8 What is this versioned symbols stuff anyway?</A>
<LI><A HREF="Ftape-FAQ-2.html#ss2.9">2.9 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?</A>
<LI><A HREF="Ftape-FAQ-2.html#ss2.10">2.10 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.</A>
<LI><A HREF="Ftape-FAQ-2.html#ss2.11">2.11 Ftape DMA transfers gives ECC errors</A>
<LI><A HREF="Ftape-FAQ-2.html#ss2.12">2.12 Help! I'm getting 'dmaalloc() failed' in my syslog file.</A>
<LI><A HREF="Ftape-FAQ-2.html#ss2.13">2.13 Syslogd works overtime when running Ftape</A>
<LI><A HREF="Ftape-FAQ-2.html#ss2.14">2.14 How do I change the trace-level?</A>
<LI><A HREF="Ftape-FAQ-2.html#ss2.15">2.15 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?</A>
</UL>
<P>
<H2><A NAME="toc3">3.</A> <A HREF="Ftape-FAQ-3.html">"Using Ftape" related questions !</A></H2>

<UL>
<LI><A HREF="Ftape-FAQ-3.html#ss3.1">3.1 How fast is Ftape ?</A>
<LI><A HREF="Ftape-FAQ-3.html#ss3.2">3.2 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?</A>
<LI><A HREF="Ftape-FAQ-3.html#ss3.3">3.3 Do I have to reboot to the DOS world to format tapes? </A>
<LI><A HREF="Ftape-FAQ-3.html#ss3.4">3.4 Is it possibly to format Ditto 2GB tapes with ftape?</A>
<LI><A HREF="Ftape-FAQ-3.html#ss3.5">3.5 Is it possibly to format Ditto Max or Max Pro tapes with ftape?</A>
<LI><A HREF="Ftape-FAQ-3.html#ss3.6">3.6 Ftape detects more bad sectors than DOS on QIC-3020 tapes</A>
<LI><A HREF="Ftape-FAQ-3.html#ss3.7">3.7 Is it ok that I'm not hearing the tape move when I do a fsf or a bsf with mt?</A>
<LI><A HREF="Ftape-FAQ-3.html#ss3.8">3.8 Why does my XYZ backup program complain about "Invalid argument" errors?</A>
<LI><A HREF="Ftape-FAQ-3.html#ss3.9">3.9 I/O errors and FDC - some explanations.</A>
<LI><A HREF="Ftape-FAQ-3.html#ss3.10">3.10 Why do I get "/dev/qft0: No such device" errors?</A>
<LI><A HREF="Ftape-FAQ-3.html#ss3.11">3.11 I get "device busy" when I make multiple backups on a tape using some script.</A>
<LI><A HREF="Ftape-FAQ-3.html#ss3.12">3.12 How do I "..." with tar?</A>
<LI><A HREF="Ftape-FAQ-3.html#ss3.13">3.13 What block-size should I use with tar ?</A>
<LI><A HREF="Ftape-FAQ-3.html#ss3.14">3.14 Where can I find the tar/mt/cpio/dd binaries - sources - manpages?</A>
<LI><A HREF="Ftape-FAQ-3.html#ss3.15">3.15 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?</A>
<LI><A HREF="Ftape-FAQ-3.html#ss3.16">3.16 How does zftape compression compare to say gzip -9?</A>
<LI><A HREF="Ftape-FAQ-3.html#ss3.17">3.17 I don't trust compression, but hear that the sftape interface is going away. What should I do?</A>
<LI><A HREF="Ftape-FAQ-3.html#ss3.18">3.18 Ftape says "This tape has no 'Linux raw format"</A>
<LI><A HREF="Ftape-FAQ-3.html#ss3.19">3.19 Can I exchange tapes with someone using DOS?</A>
<LI><A HREF="Ftape-FAQ-3.html#ss3.20">3.20 How does `mt eom' work when you've started overwriting a tape in the middle?</A>
<LI><A HREF="Ftape-FAQ-3.html#ss3.21">3.21 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 ?</A>
<LI><A HREF="Ftape-FAQ-3.html#ss3.22">3.22 What exactly is the difference between ftape, and zftape?</A>
<LI><A HREF="Ftape-FAQ-3.html#ss3.23">3.23 What is the difference between a rewinding, and non rewinding drive?</A>
<LI><A HREF="Ftape-FAQ-3.html#ss3.24">3.24 Can someone tell me how to use mt to rewind my TR-3 drive one record using zftape record, so I can verify it?</A>
<LI><A HREF="Ftape-FAQ-3.html#ss3.25">3.25 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.</A>
<LI><A HREF="Ftape-FAQ-3.html#ss3.26">3.26 What is the difference between what mt considers a record and what it considers a file?</A>
<LI><A HREF="Ftape-FAQ-3.html#ss3.27">3.27 Reusing tapes with zftape without reformatting the tape.</A>
<LI><A HREF="Ftape-FAQ-3.html#ss3.28">3.28 This script implements a simple contents listing for the zftape package using the "MTIOCVOLINFO" ioctl.</A>
</UL>
<P>
<H2><A NAME="toc4">4.</A> <A HREF="Ftape-FAQ-4.html">"Tape and Drivers" related questions !</A></H2>

<UL>
<LI><A HREF="Ftape-FAQ-4.html#ss4.1">4.1 What are good makers of Travan tapes?</A>
<LI><A HREF="Ftape-FAQ-4.html#ss4.2">4.2 Where can I obtain the QIC standards?</A>
<LI><A HREF="Ftape-FAQ-4.html#ss4.3">4.3 Is the Iomega Ditto 2GB drive supported?</A>
<LI><A HREF="Ftape-FAQ-4.html#ss4.4">4.4 Is the Iomega Ditto Max drive supported?</A>
<LI><A HREF="Ftape-FAQ-4.html#ss4.5">4.5 Is the Iomega Ditto Max Pro drive supported?</A>
</UL>
<P>
<H2><A NAME="toc5">5.</A> <A HREF="Ftape-FAQ-5.html">Miscellaneous !</A></H2>

<UL>
<LI><A HREF="Ftape-FAQ-5.html#ss5.1">5.1 How to subscribe to the Ftape Mailing List?</A>
<LI><A HREF="Ftape-FAQ-5.html#ss5.2">5.2 How to un-subscribe from the Ftape Mailing List?</A>
<LI><A HREF="Ftape-FAQ-5.html#ss5.3">5.3 Links to related information.</A>
</UL>
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