[CentOS] CentOS 6.0 and 3ware 9650SE series RAID Performance

[Austin Godber]

Hello Marcelo,

Thank you for the suggestion.  I had not yet tried activating the cache
since I was unsure whether that was a good idea or not.

Since you have experience with this card, do you have any recommendations
for what I should expect or avoid?  Have you used EXT3 with success or are
you using XFS or something else?

Austin

On Thu, Sep 1, 2011 at 2:05 PM, Marcelo Beckmann <
marcelo.beckmann at webers.com.br> wrote:

> Em 01-09-2011 17:41, Austin Godber escreveu:
> >
> > ===================  tw_cli info c2  ============================
> >
> > Unit  UnitType  Status         %RCmpl  %V/I/M  Stripe  Size(GB)  Cache
> >  AVrfy
> >
> ------------------------------------------------------------------------------
> > u0    RAID-5    OK             -       -       64K     6519.19   OFF
> >  OFF
>
> I have the same controller on Centos 5.
>
> Did you try to active Cache on 3ware?
>
> [17:56:04 root at backup ~]# lspci | grep 3ware
> 01:00.0 RAID bus controller: 3ware Inc 9650SE SATA-II RAID PCIe (rev 01)
> [17:56:11 root at backup ~]# tw_cli /c4 show
>
> Unit  UnitType  Status         %RCmpl  %V/I/M  Stripe  Size(GB)  Cache
> AVrfy
>
> ------------------------------------------------------------------------------
> u0    RAID-5    OK             -       -       64K     5587.9    RiW
> ON
>
>
> In the past I had a scenario where I started with Cache OFF and had a
> poor performance, specially for write. After set Cache RiW I got better
> performance.
>
> I didn't test that controller on CentOS 6, but is good to know if there
> is some problem, because my company sells equipment with that controller.
>
>
> Best regards,
>
> --
> Marcelo Beckmann
> Suporte Corporativo - suporte at webers.com.br
> Webers Tecnologia - http://www.webers.com.br
> Curitiba       (PR) (41) 3094-6600
> Rio de Janeiro (RJ) (21) 4007-1207
> São Paulo      (SP) (11) 4007-1207
>
> _______________________________________________
> CentOS mailing list
> CentOS at centos.org
> http://lists.centos.org/mailman/listinfo/centos
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.centos.org/pipermail/centos/attachments/20110901/a64be19d/attachment.html>