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Re: [rdiff-backup-users] external hard drive for backups with multiple f

From: Dominic Raferd
Subject: Re: [rdiff-backup-users] external hard drive for backups with multiple file systems
Date: Wed, 12 Jan 2011 08:00:44 +0000
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv: Gecko/20101208 Thunderbird/3.1.7

On 12/01/11 00:55, Thomas Evangelidis wrote:

I have an external hard drive where I would like to save my Windows files and also create incremental backups for Linux. The problem is that incremental backups cannot be created in the default HPFS/NTFS file system of the hard drive. Is it possible to format the drive to a file system (i.e. VFAT or FAT32) which would be read by Windows but could also save Linux incremental backups? Which file system is that? The program I use for backing up is rdiff-backup.

I don't know of any reason why rdiff-backup under Linux could not back up to FAT32, but I have never tried it and personally I would stick to a standard Linux format such as ext4.

If there isn't any such file system, in what way could I create 2 partitions just for backing up (no OS will be installed), one of which will be mounted by Windows (i.e. NTFS) and the other by Linux (i.e. ext4) using a partitioning program like GParted?

No problem to do this, but make the first partition on the drive NTFS, because this is the only one that will be seen by Windows, and then the second can be for Linux. You can probably even create the first partition under Windows.

I would greatly appreciate any advice!

If both machines (Windows and Linux) are in the same place and switched on at the same time, then you could leave the external drive attached to the Linux machine (and formatted for Linux), and run rdiff-backup from the Windows machine to the Linux machine, saving the data on the external drive. Using rdiff-backup from Windows to Linux is well tested.


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