need help with an rsync patch
kmk at sanitarium.net
Tue Aug 27 21:06:33 MDT 2013
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Only when you choose to force a completely unnecessary chown between
the backup and restore process.
On 08/27/13 23:03, Sherin A wrote:
> On Wednesday 28 August 2013 04:14 AM, Kevin Korb wrote: My opinion
> on backups is pretty simplistic. If a restore of my backup doesn't
> bring me back to what I had when I backed up then I don't have a
> If I have to restore something and the relationship between files
> that were hard linked in the past is lost that might not be
> something that I even notice immediately. Maybe not until the file
> is changed and now there are 2 versions of it in different places
> since the relationship is gone.
> Either way, not backing up the hard link relationships duplicates
> data on both the backup and on any potential restore.
> But even more importantly, the original question was about
> excluding all files with linkcount>1 from backups. That means that
> any file important enough to have in more than one place would in
> fact never be backed up at all. That is crazy.
> On 08/27/13 18:37, Henri Shustak wrote:
>>>>> The solution is not to refuse to backup any file that is a
>>>>> hard link. There are legitimate reasons to have hard links
>>>>> and ignoring them means you aren't backing up everything.
>>>> I agree that preserving hard links may be important in some
>>>> situation. There are certainly legitimate reasons to preserve
>>>> hard links within a backup.
>>>> To more than a couple of years I have been weighing up the
>>>> advantages and disadvantages relating to including a hard
>>>> link preservation support within LBackup. The latest alpha
>>>> build of LBackup now includes support for hard link
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> This is not crazy. Why a privileged user need to create multilevel
> hard links . This issue has been approved by secunia security
> community. Hope they will report it as a vulnerability , because
> this POC has been exploited successfully and it is affected by all
> software that use rsync as a backup and restore tool.
Kevin Korb Phone: (407) 252-6853
Systems Administrator Internet:
FutureQuest, Inc. Kevin at FutureQuest.net (work)
Orlando, Florida kmk at sanitarium.net (personal)
Web page: http://www.sanitarium.net/
PGP public key available on web site.
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More information about the rsync