Re: LUKS/ dm-crypt/ ext4 appears to be single threaded

2012-03-19 Thread David Christensen
On 03/18/2012 06:50 PM, Henrique de Moraes Holschuh wrote: Just get a box with a supported very-high-speed AES hardware accelerator (e.g. recent amd64/x86-64 processors with AES-NI), and tune your dm-crypt usage to cyphers that can be hardware accelerated. Yes, my next machine will have

Re: LUKS/ dm-crypt/ ext4 appears to be single threaded

2012-03-19 Thread Henrique de Moraes Holschuh
On Mon, 19 Mar 2012, David Christensen wrote: On 03/18/2012 06:50 PM, Henrique de Moraes Holschuh wrote: Just get a box with a supported very-high-speed AES hardware accelerator (e.g. recent amd64/x86-64 processors with AES-NI), and tune your dm-crypt usage to cyphers that can be hardware

LUKS/ dm-crypt/ ext4 appears to be single threaded

2012-03-18 Thread David Christensen
debian-user: I have a 1.5 TB SATA hard drive I use for back-up's. It has a single large partition encrypted with LUKS/ dm-crypt and formatted with ext4. I've noticed what appears to be single-threaded behavior when one process is performing a long-lived write to the disk (notably 'ssh

Re: LUKS/ dm-crypt/ ext4 appears to be single threaded

2012-03-18 Thread Henrique de Moraes Holschuh
On Sun, 18 Mar 2012, David Christensen wrote: with ext4. I've noticed what appears to be single-threaded behavior ... Is this a fundamental limitation of LUKS, dm-crypt, and/or ext4, or something I've configured/ misconfigured? It is a limitation of dm-crypt. Just get a box with a supported