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On 02/08/2016 03:33 PM, Sam Holton wrote:
> Hello,
>
> I have read through the list of previous issues regarding this
> issue but haven't been able to resolve mine. I apologize in advance
> for the long text and am probably doing some simple typo. I have
> two servers in my setup:
>
> *Server 1* Doing rsync with --link-dest daily and working as
> expected. I'm getting the hard links in the new daily directories.
>
>
> *Server 2* Running rsync daemon mode with following config
>
> [offsite] path = /media/external/backup/ comment = Offsite backup
> read only = no hosts allow = 192.168.2.0/24
> <http://192.168.2.0/24> auth users = backup secrets file =
> /etc/rsyncd.scrt uid = 0 gid = 0
Why are you using rsyncd instead of rsync over ssh? Is --link-dest
even supposed to be supported via rsyncd? Even if it is, you seem to
have your link-dest and your target parameters misaligned.
>
>
> *My Goal* Server 1 has been running for several months now so it
> has several months of daily backups. I was able to do an initial
> sync to server 2 using -H option to keep my hardlink structure.
> That worked fine and my original plan was to just run the same
> rsync with -H after the daily backup was complete to keep both in
> sync. But that turned out to be very slow building the incremental
> file list as I'm guessing it scanned all files for each daily
> backup (even though they were hard lnked).
It has to scan them to know that.
> So my next plan was to just sync that latest daily backup from
> server 1 to server 2 and use the --link-dest option on server 2 to
> link it to the previous day.
>
> *The Problem* This is the command I'm troubleshooting right now
>
> rsync -a -v -n -i --delete --link-dest=/backup-2016-02-01-0100
> --password-file=/media/external/scripts/offsite_rsync.pass
> /media/external/backup/backup-2016-02-02-0100
> backup@192.168.2.102::offsite
>
> It seems to be sending all files as new files (i.e. not picking up
> the link-dest option). I've tried using no slash at the beginning
> of link-dest, tried using ./ tried full path. etc.
>
> Here is a snippet of the output from server 1 which is running the
> command:
>
> <f+++++++++
> backup-2016-02-02-0100/media/external/owncloud/data/sam/files/Photos/2
007/20070120
>
>
DC Air and Space Museum/IMGP0906.JPG
>
>
> On server 2 there is no backup-2016-02-02-0100 directory. However,
> the link-dest option I'm using has the file on server 2:
>
> -rw------- 147 www-data www-data 4454193 Jan 20 2007
> /media/external/backup/backup-2016-02-01-0100/media/external/owncloud/
data/sam/files/Photos/2007/20070120
>
>
DC Air and Space Museum/IMGP0906.JPG
>
> Output of same file from server 1
>
> -rw------- 151 www-data www-data 4454193 Jan 20 2007
> /media/external/backup/backup-2016-02-02-0100/media/external/owncloud/
data/sam/files/Photos/2007/20070120
>
>
DC Air and Space Museum/IMGP0906.JPG
>
>
> *Troubleshooting* If I manually create the copy of server 2 first
> (cp -al backup-2016-02-01-0100 backup-2016-02-02-0100) and then run
> rsync without the --link-dest option I get the expected results.
> Only the files that changed or were removed/added are transferred.
>
> Also I tried running the actual transfer without -n and it is
> indeed transferring all the old files.
>
> Any help is appreciated.
>
>
- --
~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,
Kevin Korb Phone: (407) 252-6853
Systems Administrator Internet:
FutureQuest, Inc. ke...@futurequest.net (work)
Orlando, Florida k...@sanitarium.net (personal)
Web page: http://www.sanitarium.net/
PGP public key available on web site.
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