alka5eltzer | 15 Sep 12:51 2014

Beginner Rsnapshot & Webmin

Hello all,

Be gentle with me... I'm new with Rsnapshot

I've just installed Rsnapshot via a Webmin Module  ( http://tbanelwebmin.free.fr/ )

I use Webmin to manage a little a file server in an office.. its a 1TB system. (2off 1TB, RAID1)
(Ubuntu Linux Server 12.04.1)

At present I use Filesystem Backup to backup everything to an external 1Tb Seagate External USB drive once
per week (Sunday Night). This is a gzip Archive.

Going forward - I want to set the backup up maybe like the following:

Sun Night: Full System Backup
Mon Night: Incremental Backup
Tues Night: Incremental Backup
Wed Night: Incremental Backup
Thurs Night: Incremental Backup
Fri Night: Incremental Backup
Sat Night: Incremental Backup

Can Rsnapshot do the above?
If so... are there instructions on how to do this with Webmin... such as an example?

Thanks for your help

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Shair Ali | 15 Sep 12:32 2014
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rsnapshot

does rsnapshot consumes data usage of internet because we have 200 gb  free internet..every week it is consuming 9 gb of data usage of internet..plz tell me whether it consumes internet data usage while taking backup

any help would be really appreciated..

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Marcus Schopen | 12 Sep 16:47 2014
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backup a rsnapshot repository to a fallback backupserver

Hi,

how would you backup a rsnapshot repository to a fallback backupserver?

Once a day a simple rsync on the whole repository like

 rsync -az -H --delete --numeric-ids /source backup2:/backup

or setting up rsnapshot on the fallback backupserver and rsnapshot e.g.
last hourly.0 or daily.0 on the primary backup server?

Ciao
Marcus

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Marc GUILLAUME | 6 Sep 13:56 2014

virus scan with clamav of rsnapshot backups

Hello,

I backup several servers with rsnapshot over ssh. It works fine. And now I want tu scan my backup dir with
clamav. Il did a clamscan -i -r on my /var/cache/rsnapshot and deleted some infected mails. But this took 5
hours !

Now my dir is supposed clean. For the future I would like to scan only uploaded files, and not scan and rescan
always clean files yet scanned. 

Is there a way, some hook, in the rsnapshot processus, to scan and quarantine the infected files at incoming
time ?

I have only seen pre and post treatment scripts availables, but as I can't distinguish hard linked files,
with post treatment, I scan all my ~10 GB files in my hourly.0 for only 1 to 3 MB of new files uploaded. 

Has anybody an idea to guide me towards the good way, that would help me a lot ?

P.S.: I apologize for my so bad English :-(

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Marcus Schopen | 5 Sep 18:25 2014
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monitoring, nagios plugins

Hi,

are there any good nagios plugins or other monitoring scripts to verify
rsnapshot runs?

Ciao
Marcus

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Hendrik Friedel | 2 Sep 20:12 2014

rsnapshot with rsyncd as target


Hello,

I have a small router on which I have a running rsyncd (daemon). I
would now like to have this as a target of my rsnapshot data.
I see only the option to use rsync over ssh in the options of
rsnapshot.conf, but not rsyncd.
Rsyncd can be apparently only be used as a source.

Is it correct, that rsyncd cannot be the target?

Regards,
Hendrik
Benoît Chantre | 11 Aug 10:58 2014
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Rsync over SSH slow: can I use another tool to sync?

Hello,

I need to backup a remote NAS from another one in the same local network.
When I use rsync over SSH, it is really slow (~14 MB/s), but the native backup tool included with the firmware
can backup much faster and even in real time.

A workaround would be to use the native tool to do the sync job to the .sync folder and then to use only
rsnapshot hourly, daily, etc.
In this situation rsnapshot would be configured with the sync_first option but rsnapshot sync would not be
used. 

Can it work properly?

Best regards,
Benoît
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Sebastian Jäschke | 6 Aug 22:45 2014
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skipped due to rollback plan

Hi everyone,

I'm using rsnapshot for backing up several servers. To often I get this error (not only for one server):

"skipped due to rollback plan"

I can't find the reason why it fails, because there are no further messages in the logfile.

Does anyone know where does this come from and/or how I can set something like a debug level to get more
informations about this.

thanks a lot

Sebastian
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Matthew Moore | 1 Aug 10:29 2014
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rsnapshot not backing up mysql .MYD files

Folks,

I have a long running rsnapshot system which I use to back up all the
data on my IT systems.  I backup both specific shares and whole servers.

Last night I came to restore a MySQL database from my backups.  However
when I went to copy the database across I found out that a number of the
.MYD files were missing.  The rsnapshot process runs as root and has
permissions on the files.

Does anyone know why rsnapshot might not have copied the files over?  Is
there a setting I can use to force rsnapshot to copy a file over?

Cheers,

Matt

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Email - matt <at> smtl.co.uk

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Vytenis A | 26 Jul 01:52 2014
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Re: rsnapshot and find




On Sat, Jul 26, 2014 at 2:36 AM, Scott Hess <scott+rsnapshot <at> doubleu.com> wrote:
On Fri, Jul 25, 2014 at 4:19 PM, Vytenis A <vytenis.adm <at> gmail.com> wrote:
I don't understand why you believe this would take less time?  The rsync step would take less time in this case, but mostly because you're moving the recursive filesystem traversal out of rsync and into find.  But the overall time from start to finish shouldn't improve.  You're either traversing all of the relevant metadata or you aren't.

It takes less time because "rsync" doesn't compare all files on slow SATA with fast SAS - it already knows what to sync. A ton of read operations are saved.

rsync already doesn't compare all files, so that's not it.
 


How is that? Then how "rsync" builds a list of files to sync without comparing it with existing tree on slow drives?
 


 
If you run find, it recursively traverses the entire directory tree.  You need to consider the entire operation.
 

On slow backup drives and on fast server drives, and only if you use "--archive" option.

> If you run find, it recursively traverses the entire directory tree.  You need to consider the entire operation.

ONLY on fast server drives.

 
 
[If your tests are finding that find+rsync is faster than rsync alone, it is also possible that your find is not generating the same metadata as rsync is scanning for.  You might try various rsync options to trim the metadata used to see if that matters.  Personally I trust the defaults on this front, but it is possible that you are seeing an expense that's not worth paying in your case.]

man rsync:

<...>Rsync  finds files that need to be transferred using a “quick check” algorithm (by default) that looks for files that have changed in size or in last-modified time.<...>

Basically I do the same using "find". "ctime" timestamp changes when file size changes (file modified) or "mtime" is changed. See no difference here.

Yes, which means that your solution is likely not actually faster, just moving the runtime out of rsync and into find.


See above.


 

-scott




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Vytenis A | 25 Jul 22:40 2014
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rsnapshot and find

Hi list,

Since this is a backup-related list, I want to post an idea for you guys to (dis)approve.

Backing up large amounts of files stresses SATA drives, so I thought - why not use "find" on the server with SAS disks to find files and directories modified during, say, last 24 hours and give the list to "rsync". That way backup job takes much much less time - ran some tests. Do you see any cons doing backups this way?

Second question: is it possible to implement this using rsnapshot? I like the idea of hard links, but it syncs directories. List of files would be a totally different approach.

Thanks!

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