Bacula-users

Re: [Bacula-users] Moving Files

2008-10-09 19:44:20
Subject: Re: [Bacula-users] Moving Files
From: Dan Langille <dan AT langille DOT org>
To: "Dupree, Craig" <cdupree AT austin.utexas DOT edu>
Date: Thu, 09 Oct 2008 19:40:36 -0400
Dupree, Craig wrote:
> Looking  through the current HTML manual I see:
> 
>  
> 
> “In addition, if you move a directory rather than copy it, the files in 
> it do not have their modification time (st_mtime) or their attribute 
> change time (st_ctime) changed. As a consequence, those files will 
> probably not be backed up by an Incremental or Differential backup which 
> depend solely on these time stamps. If you move a directory, and wish it 
> to be properly backed up, it is generally preferable to copy it, then 
> delete the original.”
> 
>  
> 
> and
> 
>  
> 
> “As noted above, if you move a directory rather than copy it, the files 
> in it do not have their modification time (st_mtime) or their attribute 
> change time (st_ctime) changed. As a consequence, those files will 
> probably not be backed up by an Incremental or Differential backup which 
> depend solely on these time stamps. If you move a directory, and wish it 
> to be properly backed up, it is generally preferable to copy it, then 
> delete the original. Alternatively, you can move the directory, then use 
> the *touch* program to update the timestamps.”
> 
>  
> 
> Why?  Shouldn’t bacula treat these as a newly created directory with new 
> files in it, and back them up?    This is a big burden requiring people 
> to remember whether they should use cp or mv to move files.  Besides 
> this, and the disk space issue, mv is a simple pointer redirection, and 
> might be faster than a cp depending on how high in the tree you are 
> working on.

These apply only to incremental and differential backups.  Those files 
will be backed up on the next full backup.

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