Re: Slow disks.

From: Tejun Heo
Date: Mon Dec 27 2010 - 05:56:15 EST


On Sun, Dec 26, 2010 at 11:07:45PM +0100, Niels wrote:
> I have several of these drives, in various sizes. They seem to be aligned to
> 63 as you mention:
>
> Device Boot Start End Blocks Id System
> /dev/sda1 63 208844 104391 83 Linux
> /dev/sda2 208845 19759949 9775552+ 82 Linux swap / Solaris
> /dev/sda3 19759950 215094284 97667167+ 83 Linux
> /dev/sda4 215094285 781417664 283161690 83 Linux
>
> Device Boot Start End Blocks Id System
> /dev/sdb1 63 1953520064 976760001 83 Linux
>
> Is that bad?

Yes.

> What can I do to repair it?

Repartition it.

> What can I do to prevent it from happening again?

Use more recent distros. Most distros released in the past six month
have partition utilties which honor partition alignment requirements.

Good luck.

--
tejun
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