What backup software?

[Gilles Gravier]

What I do is I have to external USB disks (labled A and B) of the same 
capacity of my internal disk.

Every odd month, I format the A disk and "cp -a" my machine to the disk.

Every even month, I format the B disk and "cp -a" my machine to the disk.

I store the latest backup disk in a drawer in my office... and the 
oldest at home.

I don't keep the disks plugged in the system. That way there is less 
wear, and no risk of a virus erasing the disk.

Disks are cheap these days. USB boxen also. And cp -a is done during the 
night so I don't bother myself waiting...

Gilles.

Dotan Cohen wrote:
> 2008/8/11 Smoot Carl-Mitchell <smoot at tic.com>:
>   
>> On Sun, 2008-08-10 at 19:41 -0500, Chris Mohler wrote:
>>     
>>> On Sun, Aug 10, 2008 at 6:19 PM, Christian <christian08 at runbox.com> wrote:
>>>       
>>>> Hi all,
>>>> I am looking for a disk backup software that can backup any partition to
>>>> an image and restore it at a later time.
>>>> What backup software would you recommend?
>>>>  Many thanks,
>>>> Christian
>>>>         
>>> I've always just used dd:
>>>
>>> dd if=/dev/sdaX of=/path/to/file.img
>>>
>>> will copy from partition to image, where "X" is a partition number on
>>> sda.  Then:
>>>
>>> dd if=/path/to/file.img of=/dev/sdaX
>>>       
>> This is not generally a good idea.  If your disk has bad sectors which
>> are mapped out by the filesystem, then the dd will hang. It is better to
>> do backups at the filesystem level and not at the disk level.
>>
>> I do near line backups with rsync to a network server and keep
>> incremental copies of the filesystems using glastree which is a Perl
>> implementaion of pdumpfs.  For more traditional backups, you could use
>> the BSD dump/restore utilities.
>> --
>>     
>
> +1 for rsync. I also recommend the occasional cp of the data being
> backed up, for a "time machine" to go back to.
>
>   

-- 
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