I think i am, yes, but I'm not sure Another thing: I just bought a phenom 9600, but now, only 2 processes utilize 2 cores (/2 and /3), so it's not faster - why aren't /0 and /1 using the other 2 cores? Thanks! morphium 2008/2/20, Andreas Westin <forsaken@xxxxxxxxxxx>: > 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). > > So now my Question is: Is there a cheaper encryption method? So that i > > can get at least 120MB/s, 160 would be fine. > > I tried with -s 64, but it then tells me to check wether the aes-... > > module is in the kernel - but obvious it is, else 128 wouldn't work. > > If anyone would have a good suggestion to increase the speed, let me know. > > > > Are you using the x86_64 optimized AES routine in the kernel ? > I'm using that on a raid0 with 256bit AES on an amd 4200+ and I get > 85mb/s with hdparm. > > /Andreas > > --------------------------------------------------------------------- > dm-crypt mailing list - http://www.saout.de/misc/dm-crypt/ > To unsubscribe, e-mail: dm-crypt-unsubscribe@xxxxxxxx > For additional commands, e-mail: dm-crypt-help@xxxxxxxx > > --------------------------------------------------------------------- dm-crypt mailing list - http://www.saout.de/misc/dm-crypt/ To unsubscribe, e-mail: dm-crypt-unsubscribe@xxxxxxxx For additional commands, e-mail: dm-crypt-help@xxxxxxxx
