BackupPC-users

Re: [BackupPC-users] Transferring backups to another backuppc installation

2009-11-13 09:44:08
Subject: Re: [BackupPC-users] Transferring backups to another backuppc installation
From: Les Mikesell <lesmikesell AT gmail DOT com>
To: "General list for user discussion, questions and support" <backuppc-users AT lists.sourceforge DOT net>
Date: Fri, 13 Nov 2009 08:41:24 -0600
Peter Peltonen wrote:
> 
>> Note that copying a whole pool (while preserving hardlinks) is still
>> tough and will only work up to a certain pool size/file count (apart
>> from copying a whole file system image).
> 
> Do you have any more info on this (about the limits)?
> 
> Why is it so, can't rsync handle big amounts of data including hardlinks?
> 

It is not just rsync - any file oriented technique will have the same problem. 
The only way to match up the linked files is to build a table of filenames and 
inode numbers as they are copied and look up the matching inode to find the 
right name for the link.  The process doesn't scale well.

-- 
   Les Mikesell
    lesmikesell AT gmail DOT com


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