[CentOS] raid resync speed? - laptop drive-
John R Pierce
pierce at hogranch.com
Fri May 21 17:13:43 UTC 2010
Les Mikesell wrote:
> OK, I can get a full-size Seagate 750G to resync at about 40M/s which
> easily completes in a workday. But now what I really want to do is use
> a laptop size 'WD Scorpio blue' drive which claims to have the same
> sector count but will only sync at about a tenth of the speed. It does
> say it uses 'advanced format', which I think means 4k sectors. Should
> that make a difference? Read speed tests show about the same as the
> desktop drives but writes are much slower.
>
From what I've read, you have to 'trim' those drives much like SSD so
the partition starts on a 4K boundary. I understand you can do this
with parted.
More information about the CentOS
mailing list