> > But the issue is that writing to disk is extremely slow...i.e. 14Mb per > > second.... > > > > If I install any other linux distribution, like CentOS, write speek is > > the way it should be..it averages around 190Mb+ per second > > > > I was hoping if it were at all possible for you to assist me in with a > > later RAID Controller Driver for the SAS 6/iR Adapter > > Try: > hw.mpt.enable_sata_wc=1 > in /boot/loader.conf and reboot. > > Assuming you are using SATA drives, the write cache is disabled by > default. This reenables it. The mpt manpage holds more information.
Just keep in mind that turning the disk's write cache on puts your data at risk. :-( The correct solution is NCQ. _______________________________________________ freebsd-performance@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-performance To unsubscribe, send any mail to "freebsd-performance-unsubscr...@freebsd.org"
