Re: Cheaper encryption?

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morphium wrote:
> Hi,
> 
> I'm new on this mailinglist and don't even know if it's the right one,
> but here is my problem:
> I'm running Debian Lenny and created a soft raid 5 there, with 6 Hard
> disks (each 750 GB).
> Now i did cryptsetup -c aes -s 128 /dev/md1 and cryptsetup luksOpen
> /dev/md1 data.
> Now, if I Benchmark with hdparm -t /dev/mapper/data, I don't get more
> than 80 MB/s (hdparm -t /dev/md1 gives about 280MB/s read speed).
> My CPU utilization is at 100% on both cores (It's an AMD 4200+, I'm
> running 2.6.23 amd64 kernel).

Hi,
try kernel 2.6.24 first, I hope that some internal kernel dm-crypt changes
has some performance impact here...

Milan
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