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Ubuntu Disk Encryption Benchmarks E-mail
Written by Phoronix   
Sunday, 16 March 2008

Introduced in Ubuntu 7.10 was install-time encryption support where using the alternate installer one can fully encrypt their disk in an LVM using dm-crypt. Unfortunately, the Ubiquity installer in Ubuntu 8.04 continues to lack LVM and encryption support, but using Ubuntu 8.04 Alpha 6 we have looked at the performance cost of this encrypted configuration on Ubuntu Linux. Rather than looking directly at the disk read/write overhead caused by the encryption process, we have provided some benchmarks to see how the real-world performance is impacted in both gaming and other desktop tasks.

For looking at the performance cost of Ubuntu Linux disk encryption, we had performed two clean installs of Ubuntu 8.04 Alpha 6 with the Linux 2.6.24 kernel using the alternate installer. In one installation, we had used the "Guided - use entire disk and set up LVM" method and then using "Guided - use entire disk and set up encrypted LVM." All settings in both installations were maintained the same and left at their respective default values. Phoronix


 

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