On Wed, Dec 28, 2011 at 8:51 AM, Gregory Edigarov
<g...@bestnet.kharkov.ua> wrote:
> On Wed, 28 Dec 2011 10:06:14 +0400
> "Wesley M." <open...@e-solutions.re> wrote:
>
>> Hi,
>> I want to backup our mailserver(4.7) in production.
>> I read :
>> http://www.openbsd.org/faq/faq10.html#DupFS
>>
>> Can i do this wd1(my backup
>> disk) :
>>
>> mount /dev/wd1a /mnt
>> dump -0auf /mnt/etc_backup /dev/wd0a
>> ...
>> same
>> for wd0d and wd0e ... Or do i need absolutely to do it in Single
>> User?
>>
>> Or
>> perhaps, there's a better way to do it.
>
> Personaly I found a way for myself to produce a consistent backups:
> 1. have an additional filesystem /backup
> 2. mount /backup
> 3. sync your changed files to /backup (I usually do this with rsync,
> YMMV)
> 4. umount /backup
> 5. mount /your_backup_media
> 6. dump -0auf /your_backup_media /dev/<backup>
>
> However it need some preparation done beforehand, preferably on system
> install.
>
> this way you will be able to dump live filesystems without having to
> reboot your server.
>
> --
> With best regards,
> B  B  B  B Gregory Edigarov
>

Wouldn't you consider AMANDA http://www.amanda.org
I had been using it for long in my previous support engineering life. It's
nice.


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