[Discuss] Why are all my hard drives slow on Ubuntu? (new computer)

[Gregory Boyce]

Anything interesting in dmesg related to the drive or the controller?
On Aug 28, 2013 6:12 PM, "Daniel Barrett" <dbarrett at blazemonger.com> wrote:

> On August 28, 2013, Richard Pieri wrote:
> >Poke around with hdparm settings. Ubuntu probably defaults to more
> >conservative settings.
>
> hdparm shows identical values on Ubunutu and Knoppix, except for
> queue_depth (values 31 vs. 1), but changing the value under Ubuntu had no
> noticeable effect.
>
> ubuntu$ sudo hdparm -acdgkmurABCMNQW /dev/sda
>
> /dev/sda:
>  multcount     = 16 (on)
>  IO_support    =  1 (32-bit)
>  readonly      =  0 (off)
>  readahead     = 256 (on)
>  geometry      = 364801/255/63, sectors = 5860533168, start = 0
>  look-ahead    =  1 (on)
>  APM_level      = not supported
>  drive state is:  active/idle
>  acoustic      = not supported
>  max sectors   = 5860533168/5860533168, HPA is disabled
>  queue_depth   = 31
>  write-caching =  1 (on)
>
> Any other ideas?
>
> --
> Dan Barrett
> dbarrett at blazemonger.com
>
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