Re: [Xen-users] Re: 100% safe way to backup domU: (was Yet another backup)

[Nico Kadel-Garcia <nkadel@xxxxxxxxx>]

Ligesh wrote:
>   If we don't sync, we won't be able to mount and backup. If we were backing up 
> the entire image, then yes, it will work without syncing.
>
>   xm save domU file
>   backup entire image + file
>   xm restore file
>
>   But if we want to mount and take proper incremental backup, we need the 
> filesystem to be consistent. Otherwise we will get very badly corrupted data.
>
>   Thanks.
>   
Ahh. You've had to back up databases, I see. Even if the data is not 
badly corrupted, it's often in the databases where the corruption 
resides. And mounting and doing proper incrementals, you can *exclude* 
vast tracts of useless debris that are not worth storing or restoring.
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