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Re: [rdiff-backup-users] rdiff-backup support for Long File Paths and/or

From: Dominic Raferd
Subject: Re: [rdiff-backup-users] rdiff-backup support for Long File Paths and/or Cygwin
Date: Tue, 18 Feb 2014 05:16:07 +0000
User-agent: Mozilla/5.0 (X11; Linux i686; rv:24.0) Gecko/20100101 Thunderbird/24.2.0

On 17/02/14 23:53, Joe Clark wrote:
I have been trying to get rdiff-backup to work under these constraints:

* source files are on a local disk on Windows 7
* the backup is to be stored on a network share (mounted as a Windows drive letter)

I first tried this with the Windows-built executable (1.2.8 and 1.3.3), but both have issues with long file paths (and I don't believe that "just don't use long file paths" is a reasonable workaround).

I then tried using the version included with Cygwin (1.2.8-5), but it gets this error, again when backing up to a remote shared drive folder:

   OverflowError: group id is greater than maximum

I tried to hack the Python code and just remove the offending line (rpath.py:977) (it seemed reasonable to try it), and then I got an error about an inode key not being found -- maybe related to hardlinking not being allowed on network shares?

Are there workarounds for these issues?
- Joe

The most reliable workaround IMO is to stop backing up to a network share and instead backup to a Linux-based destination via ssh. The Linux machine can use old hardware or be a VM.

Timedicer: http://www.timedicer.co.uk - File Recovery From Whenever

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