backup rsync

Egoitz Aurrekoetxea egoitz at
Sat Sep 6 07:52:00 EDT 2014

Good morning,

We are using Cyrus replication for some years now. It’s just fine. You can play too with
expunge_delayed for avoid removing mail immediately.


El 05/09/2014, a las 17:25, Marcus Schopen <lists at> escribió:

> Am Samstag, den 30.08.2014, 17:10 +0200 schrieb Simon Matter:
>>> Am Freitag, den 29.08.2014, 07:56 -0700 schrieb David R Bosso:
>>>> --On August 29, 2014 at 4:27:57 PM +0200 Marcus Schopen
>>>> <lists at> wrote:
>>>>> Hi,
>>>>> I'm planing to use lvm snaps and rsync for a daily disaster recovery
>>>>> backup on my master cyrus (2.4.12 Ubuntu 12.04 LTS):
>>>> Have you tested lvm snaps for this purpose yet?  When I tried to use lvm
>>>> snapshots in this way a few years ago, it absolutely killed performance
>>>> on
>>>> the volume with the active snapshots.  Hopefully things have improved,
>>>> but
>>>> I wouldn't bet on it.
>>> Yes, I've tested it and don't see any performance problems while the
>>> snaphot is active. My problem is how to backup about 140 GB mailspool in
>>> an acceptable time slot. What tools are recommended?
>>> If using rsync what options are best practice?
>> I suggest -aH to preserve single instance storage in the backup.
> Just bought some good wine for my weekend project: what about rsnapshot
> combined with lvm snapshots (in the pre/postexec scripts of rsnapshot)?
> rsnapshot works with rsync and hardlinks. Rotation and some other nice
> features come out of the box. Any experiences with cyrus and this tool?
> Ciao!
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