---------------
Sent from my iPhone

On Apr 22, 2010, at 2:11 PM, Les Mikesell <lesmikesell AT gmail DOT com> wrote:

> On 4/22/2010 1:55 PM, Gerald Brandt wrote:
>>
>> ----- "Les Mikesell" <lesmikesell AT gmail DOT com> wrote:
>>> That's partly from being implemented in perl and partly from  
>>> counting
>>> iowait as CPU. Do you have the --checksum-seed=32761 option  
>>> enabled for
>>> rsync?
>>>
>>
>> Not to hijack the thread, but I know what checksum-seed does, but how
>> does it help?
>
> If it is enabled, the backuppc server side will cache the block
> checksums and not have to repeat the read/uncompress/compute activity
> for every run.  See the section on "Rsync checksum caching" in
> http://backuppc.sourceforge.net/faq/BackupPC.html.  Note that (a) it
> doesn't help until the 3rd full backup and (b) a small configurable
> percentage is still computed to detect archive corruption.
>
> -- 
>   Les Mikesell
>    lesmikesell AT gmail DOT com
>
>

But it's still guaranteed to do a proper backup?

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