Re: [gentoo-user] new installation (ssd, new udev, grub2)

[Allan Gottlieb]

On Sun, Aug 12 2012, Alan McKinnon wrote:

> On Sun, 12 Aug 2012 14:11:37 -0400
> Allan Gottlieb <gottlieb@×××.edu> wrote:
>
>> On Fri, Aug 10 2012, Alan McKinnon wrote:
>>
>> > You also don't need an IO scheduler - ssd access is random like
>> > RAM, no heads moving in and out so no sector ordering to worry
>> > about. Configure the scheduler as NOOP in kernel config if all
>> > drives are ssd's
>>
>> I believe dell with be "throwing in" a removable spinning disk that
>> can be user swapped with the dvd so I should probably keep the I/O
>> scheduler.
>
> You can set the scheduler per-device too, more info here:
>
> https://wiki.archlinux.org/index.php/Solid_State_Drives#I.2FO_Scheduler
>
> Someone else reported though that Deadline scheduler can actually
> performs better, I also read that somewhere. Maybe you should do some
> initial tests yourself before deciding

Yes, that sounds like a good idea and the article you just mentioned
looks to be quite helpful.

thanks,
allan