[CentOS] rsync and swapping

Wed Jan 30 16:38:51 UTC 2008
Milton Calnek <milton at calnek.com>


Nicolas Thierry-Mieg wrote:
> 
> 
> Marcelo Roccasalva wrote:
>> On Jan 30, 2008 11:24 AM, Jerry Geis <geisj at pagestation.com> wrote:
>>> hi all,
>>>
>>> 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
> 
> how about cp -a ?

You may find that cp is significantly slower than cpio/tar.

> 
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-- 
Milton Calnek BSc, A/Slt(Ret.)
milton at calnek.com
306-717-8737


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