Re: Very low disk performance on 5.x

From: Sten Spans (sten_at_blinkenlights.nl)
Date: 05/02/05

  • Next message: Sten Daniel Sørsdal: "Re: 64bit CPUs" 
    Date: Mon, 2 May 2005 22:54:00 +0200 (CEST)
To: Poul-Henning Kamp <phk@phk.freebsd.dk>

    On Mon, 2 May 2005, Poul-Henning Kamp wrote:

    > In message <42763906.1040202@centtech.com>, Eric Anderson writes:
    >>> In message <6.2.1.2.2.20050502094757.037077f0@mail.rfnj.org>, Allen writes:
    >>>
    >>> I just want to add: This is why I really would love for us to have
    >>> a real RAID3 implemetation.
    >>>
    >>> RAID3 is not commercially viable because windows cannot use non-512
    >>> byte sectors.
    >>>
    >>> We can.
    >>>
    >>> RAID3 would scream for us.
    >>
    >> What about disk arrays that support RAID3?
    >
    > Would work for me, but most of them are dumbed down when they do RAID3:
    > they have to hard format the disks to 128 byte sector sizes and similar
    > madness in order to support 512 bytes sectors on the RAID3 volume.

    I would really love the 512 + 8 byte checksum stuff that mainframes
    and netapps do. Does GEOM simplify implementing something like this ? 

    -- 
Sten Spans
"There is a crack in everything, that's how the light gets in."
Leonard Cohen - Anthem
_______________________________________________
freebsd-performance@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/freebsd-performance
To unsubscribe, send any mail to "freebsd-performance-unsubscribe@freebsd.org"
  • Next message: Sten Daniel Sørsdal: "Re: 64bit CPUs"