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TAPER BUG

daemon@ATHENA.MIT.EDU (Lars Wirzenius)
Sat Jan 13 17:44:48 1996

Date: 	Sun, 7 Jan 1996 21:16:12 +0200
From: Lars Wirzenius <wirzeniu@cc.helsinki.fi>
To: linux-announce@vger.rutgers.edu

From: Yusuf Nagree <yusuf@mail.bogo.co.uk>
Reply-To: yusuf@mail.bogo.co.uk
Subject: TAPER BUG
Approved: linux-announce@news.ornl.gov (Lars Wirzenius)
Newsgroups: comp.os.linux.announce
Followup-to: comp.os.linux.development.apps
Organization: ?

-----BEGIN PGP SIGNED MESSAGE-----

To all the users of taper out there, please note there is a serious bug 
in versions 5.6 to 6.1. 

The bad news:
  There is no way to fix archives that have fallen victim to this bug


The good news:
  It does not occur all the time, but is most likely to occur on slow tape
  drives that have two buffers queued for writing at the end of the backup

  Only the data on the last two blocks of each volume are affected. Since
  a block is typically 28K long, the most you have lost is 56K.


Diagnosis:
  After running mkinfo/check archive, you will be told (in the logfile)
  that the volume count was incorrect and the info file has been fudged
  to overcome it.

The solution:
  Please upgrade to 6.1.1 immediately. Locations:

       sunsite.unc.edu  /pub/Linux/system/Backup (or /pub/Linux/Incoming)
       tsx-11.mit.edu   /pub/linux/sources/sbin



Yusuf
yusuf@mail.bogo.co.uk




- ------------------------------------------------------------------------------
Yusuf Nagree       				         yusuf@mail.bogo.co.uk
			Author & Maintainer of
		                 TAPER		
	       	 The user friendly Linux Backup Solution

			    Available from   
		sunsite.unc.edu:/pub/Linux/system/Backup
		tsx-11.mit.edu:/pub/linux/sources/sbin
			   and all mirrors
Current version 6.1                                             December, 1995
- ------------------------------------------------------------------------------


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