[CentOS] LUKS full disk Encryption question

[Ljubomir Ljubojevic]

On 01/08/2012 12:56 AM, Devin Reade wrote:
> Ljubomir Ljubojevic<office at plnet.rs>  wrote:
>
>> What will be the performance impact on my Celeron 1.73 GHz CPU and/or
>> hdd speed?
>
> Well, the usual "it depends on your [exact] environment" is the real answer.
>
> However from a subjective perspective I've found that the only time
> that I've really noticed a performance impact is during lots of I/O,
> such as a *large* tarball extraction. (Presumably writing a large file
> would be similar.) Eclipse, for example, touches a huge amount of files
> but encryption on the underyling filesystem is not generally noticable.
> It can be more noticable on a single core, single thread CPU.
>
> If you have a server doing significant continuous I/O, probably
> benchmarking is the only reasonable way to tell.

Hm, I forgot to mention that it would be for laptop. MSI VR601x, Celeron 
1.73 GHz (Single Core), 80 GB SATA, 2GB RAM, CentOS 6.2 x86_64, 
encryption would be activated by Anaconda on ext4 partitions belonging 
to LVM Volume Group.

-- 

Ljubomir Ljubojevic
(Love is in the Air)
PL Computers
Serbia, Europe

Google is the Mother, Google is the Father, and traceroute is your
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StarOS, Mikrotik and CentOS/RHEL/Linux consultant