[CentOS] LUKS full disk Encryption question

Ljubomir Ljubojevic office at plnet.rs
Sun Jan 8 00:05:23 UTC 2012

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
trusty Spiderman...
StarOS, Mikrotik and CentOS/RHEL/Linux consultant

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