unlogical error on tar xzf

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# 1  
unlogical error on tar xzf

Hi all,

I'm disapointing :
This morning I have successfully tar/gzip (tar czf) some directories to generate archives.
These archives have been created in a directory named /save, on "/" FS.
After this operation, a system administrator have "on-my-demand" rebuild discs architecture except the "/" FS.
Then I try to untar/gunzip my archives on a new FS and I have the following error :
archiv contain obsolete base64-headlines
and untar (tar xzf) or verification (tar tzf) fall

However, in the same directory /save, I have an other backup generated yesterday and the decompression work fine ! Smilie

I was watching on the net but I didn't find any way... Smilie

Thanks for your help
# 2  
Assuming that you are on the same OS and programming model after
the system rebuild. i.e. 32 bits or 64 bits, ILP32, LP64, etc. and you
have enough disk space.

Then try the following:

gzip -d file.tar.gz

and then do

tar -xf file.tar
# 3  
Thanks for your reply.

I have ever done these commands.
On "tar -xf file.tar" I have the same message : archiv contain obsolete base64-headlines

uname -a :
Linux GA-RH05 2.6.9-55.ELsmp #1 SMP Fri Apr 20 17:03:35 EDT 2007 i686 i686 i386 GNU/Linux
=> no changes from before

df -k : 80 Go free...
# 4  
Can you send an "od" dump or hexdump of the first (say, 512) bytes of the file? We could then try and match it to one of the recognized TAR formats.
# 5  
Doesn't look good

We had the exact same problem with tar where I worked before.
It showed that the tar binary that we were using had an known bug
that we didn't know about. I'm very keen to know how this thread will be solved, if it will ever be that is \=
# 6  
Originally Posted by rexf
It showed that the tar binary that we were using had an known bug

Mr Hindsight says "Remember to check the archive beforehand!!!!"
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