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-0005.html>