[CentOS] rsync and swapping

Les Mikesell lesmikesell at gmail.com
Wed Jan 30 19:01:47 UTC 2008


Marcelo Roccasalva wrote:

>>
>> I use rsync to copy/backup ALL my stuff to another disk.
>>
>> When I run this seems like my machine (4 GIG ram centos 5.1)
>> now begins to swap out more programs. Is there a way to reduce
>> that swapping? I am running with echo 1 > /proc/sys/vm/swappiness
>>
>> I simply mount /dev/sdc1 /mnt/backup; mkdir /mnt/backup/month.day.year
>> then rsync -a /home /mnt/backup/mon.day.year
> 
> IMHO, rsync is overkill here. I would:
> 
> mount /dev/sdc1 /mnt/backup; mkdir /mnt/backup/month.day.year
> cd /home;find . | cpio -vdump /mnt/backup/mon.day.year

Rsync will be much, much faster on the 2nd and subsequent runs when it 
only has to copy the changed files.

-- 
   Les Mikesell
    lesmikesell at gmail.com





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