You pay for sata you get sata; no magic there. On Mon, Jul 16, 2007 at 01:44:10AM +0800, Brandon Lee wrote: > Hi Otto, > > Here is the bonnie++ test result after i enabled the write cache. > Seems good but not too sure if that is the best performance. > > any comments? anyway the PERC 5i/R Raid Card is doing RAID 1 with 2 > SATA II drives. > > -- > ./Brandon > > > > On 7/15/07, Otto Moerbeek <[EMAIL PROTECTED]> wrote: > > > >On Sun, 15 Jul 2007, Otto Moerbeek wrote: > > > >> On Sun, 15 Jul 2007, Brandon Lee wrote: > >> > >> > Hi Marco, > >> > > >> > There is no option to enable write cache via the PERC 5i/R controller > >> > or Bios. From bios, i could only select the perfornance of the HDD as > >> > in "Bypass, Quiet, Suggested and Performance". > >> > >> I've seen this before. For some stupid reason you cannot enable the > >> write cache from the BIOS. What a collegue did is use a linux live CD > >> with a management program from LSI to enable it. After that all was > >> OK. > >> > >> -Otto > > > >BTW, I found the instuctions from my collegue here. > >Quick translation form dutch: > > > >Get linux drivers from dell site: mptlinux-3.02.83.12-5dkms.noarch.rpm > >Put the drivers on a USB stick. > >Boot knoppix live cd > >(http://ftp.knoppix.nl/os/Linux/distr/knoppix/KNOPPIX_V5.1.1CD-2007-01-04-EN.iso) > > > >Then in knoppix: > > > >sudo -s > >mount /dev/sda1 (the USB stick) > >cd /media/sda1 > >cp mptlinux-3.02.83.12-5dkms.noarch.rpm /root > >cd /root > >alien -i mptlinux-3.02.83.12-5dkms.noarch.rpm > >cd /ramdisk/usr/src/mtplinux-3.02.83/lsi > >tar xvfz lsiutil.tgz > >cd lsiutil > >make > >./lsiutil > > > >choose controller (er is er maar een) > >choose RAID functions > >choose change Volume settings > >first option: Write Cache Enabled (Yes/No default No): Yes > >remaining thing default > >close and reboot. > > > >ugly but it works. > > > > -Otto > > > >
> Version 1.03 ------Sequential Output------ --Sequential Input- > --Random- > -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- > --Seeks-- > Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec > %CP > puffy 2G 44136 24 48902 17 23327 7 51902 39 50587 7 132.4 > 0 > ------Sequential Create------ --------Random > Create-------- > -Create-- --Read--- -Delete-- -Create-- --Read--- > -Delete-- > files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec > %CP > 16 1901 41 +++++ +++ +++++ +++ 2519 56 6131 100 12760 > 99 > puffy > ,2G,44136,24,48902,17,23327,7,51902,39,50587,7,132.4,0,16,1901,41,+++++,+++,+++++,+++,2519,56,6131,100,12760,99
