[ltp] Re: Good FS for laptop

[Bob Toxen]

I made some measurements today and found a 7.5% slowdown for either
reading or writing the PPDD encrypted FS on my R39 vs. unencrypted --
trivial.  I cannot even notice any difference.

Bob Toxen, CTO
Fly-By-Day Consulting, Inc.
"Your expert in Firewalls, Virus and Spam Filters, VPNs,
http://www.verysecurelinux.com/sunset.html                    [Sunset Computer]
bob@verysecurelinux.com (e-mail)

Author,
"Real World Linux Security: Intrusion Detection, Prevention, and Recovery"
2nd Ed., Prentice Hall, (C) 2003, 848 pages, ISBN: 0130464562
Also available in Japanese, Chinese, and Czech.

> From: Kevin Krause <kevin@sutje.de>
> 
> 
> Out of curiosity (and paranoia) - how does this compare performance-wise
> to an unencrypted file system?
> 
> Bob:
> 
> > I've been running PPDD on top of ext3 for my ThinkPad R31 for 1.5 years
> > with no problems, despite a few crashes (all but 2 being operator
> > error).
> > 
> > PPDD is an encrypted file system available from:
> > 
> >      http://linux01.gwdg.de/~alatham/ppdd.html