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bug#17149: shred - tape data
From: |
Rupert Russell |
Subject: |
bug#17149: shred - tape data |
Date: |
Tue, 1 Apr 2014 07:21:55 +0000 |
Thanks Paul,
However, my distribution doesn't appear to have a -o option.
Tried, -o, -O and ,-0 but all not recognised options.
--version says 7.1
courtesy one Colin Plumb.
Rupert Russell
OPERATIONS MANAGER
Ilmor Engineering Ltd
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-----Original Message-----
From: Paul Eggert [mailto:address@hidden
Sent: 01 April 2014 02:21
To: Pádraig Brady; Rupert Russell
Cc: address@hidden
Subject: Re: bug#17149: shred - tape data
Pádraig Brady wrote:
> shred(1) doesn't rewind the tape.
But shred is supposed to rewind the tape, using lseek.
Can you find out what system calls are executed? Use the command
shred -o tracefile -v /dev/st0
Warning: 'tracefile' will get quite large. The point is to see what happens
near the start of execution, and around the time that the write files.
My guess is that 'shred' is incorrectly calculating the tape size; it does that
by seeking to the end of the tape, and perhaps this is going awry.
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- bug#17149: shred - tape data,
Rupert Russell <=
- bug#17149: shred - tape data, Paul Eggert, 2014/04/01
- bug#17149: shred - tape data, Rupert Russell, 2014/04/02
- bug#17149: shred - tape data, Pádraig Brady, 2014/04/02
- bug#17149: shred - tape data, Rupert Russell, 2014/04/02
- bug#17149: shred - tape data, Paul Eggert, 2014/04/02
- bug#17149: shred - tape data, Paul Eggert, 2014/04/02
- bug#17149: shred - tape data, Pádraig Brady, 2014/04/02