On Sun, 18 Mar 2012, Steven Hartland wrote: > > different on ada0 and ada1!): > > ada0, MC 50-60 MBps ada1, MC 13-25 MBps > > ada*, 5017 130+ MBps > > > > Could you please post SATA/AHCI BIOS settings from your machines? Thanks a > > lot! > > Just AHCI configured as far as I remember.
Microcloud has AFAIR additional settings for delaying disk spin and enablink/disabling hotswap, but mangling these options does not change anything for me > What you mean by MC vs 5017? platform name: MicroCloud vs 5017C-MTF, both based on the same chipset > How are you measuring disk speed? the simplest: dd if=/dev/ada0 of=/dev/null bs=1m count=16k (linear read 16g at the beginning of disk) > What value do you have for sysctl vfs.read_max? default for both cases, 8 -- Sincerely, D.Marck [DM5020, MCK-RIPE, DM3-RIPN] [ FreeBSD committer: ma...@freebsd.org ] ------------------------------------------------------------------------ *** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- ma...@rinet.ru *** ------------------------------------------------------------------------ _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org"
