BackupPC-users

[BackupPC-users] Cannot open large BackupPC archive tar files on windows 7

2011-01-28 19:06:51
Subject: [BackupPC-users] Cannot open large BackupPC archive tar files on windows 7
From: backupfanatic <backuppc-forum AT backupcentral DOT com>
To: backuppc-users AT lists.sourceforge DOT net
Date: Fri, 28 Jan 2011 11:16:52 -0500
Hallo,

I use BackupPC to archive komplete VMware-Snapshots. Everything works fine on 
Suse Linux.

I also use the xfer archive method to generate tar files for long term backups 
on blueray disks.

When I try to open these tar files on windows (e.g. with 7zip and ohter tools) 
, I get errors (broken archive).
If I extract the BackupPC tar file on linux and recreate the archive with the 
same files with tar -cvf 
then I can extract this new tar file on windows.
The problem exists only for larger files (perhaps above 4 GB). Smaller files 
can be opened with 7zip.

In the code I have seen, that BackupPC uses it's own perl functions to create 
the tar files.
Has somebody an idea converning the reason for this incompatibility to windows?

Thanks,
Wolfgang

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