Date: Thu, 19 Nov 2009 00:13:14 -0600 From: Adam Vande More <amvandemore@gmail.com> To: Jeremy Chadwick <freebsd@jdc.parodius.com> Cc: freebsd-stable@freebsd.org Subject: Re: HEADS UP: major CAM ATA MFC Message-ID: <6201873e0911182213k384960e2tcc6acb592e9d78a7@mail.gmail.com> In-Reply-To: <6201873e0911182211o17368cc4p2b4cfc0d702cb203@mail.gmail.com> References: <4B03322A.2080608@FreeBSD.org> <4B038E75.1010501@rdtc.ru> <20091118061726.GA1675@icarus.home.lan> <4B04B908.1020505@rdtc.ru> <20091119055025.GA30911@icarus.home.lan> <6201873e0911182211o17368cc4p2b4cfc0d702cb203@mail.gmail.com>
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> > To enable ahci, put ahci_load="YES" into loader.conf. Upon reboot, drives > will be detected as adaX eg > > galacticdominator% dmesg |grep ada > GEOM_STRIPE: Disk ada3 attached to stripe0. > GEOM_STRIPE: Disk ada4 attached to stripe0. > adam@galacticdominator.com:/usr/obj/usr/src/sys/GENERIC amd64 > ada0 at ahcich0 bus 0 target 0 lun 0 > ada0: <ST31000528AS CC37> ATA/ATAPI-8 SATA 2.x device > > ada0: 300.000MB/s transfers > ada0: 953869MB (1953525168 512 byte sectors: 16H 63S/T 16383C) > ada0: Native Command Queueing enabled > ada1 at ahcich1 bus 0 target 0 lun 0 > ada1: <ST3750330AS SD15> ATA/ATAPI-8 SATA 2.x device > > ada1: 300.000MB/s transfers > ada1: 715404MB (1465149168 512 byte sectors: 16H 63S/T 16383C) > ada1: Native Command Queueing enabled > ada2 at ahcich3 bus 0 target 0 lun 0 > ada2: <ST3500320AS AD14> ATA/ATAPI-8 SATA 2.x device > > ada2: 300.000MB/s transfers > ada2: 476940MB (976773168 512 byte sectors: 16H 63S/T 16383C) > ada2: Native Command Queueing enabled > ada3 at ahcich4 bus 0 target 0 lun 0 > ada3: <ST3500320AS AD14> ATA/ATAPI-8 SATA 2.x device > ada3: 300.000MB/s transfers > ada3: 476940MB (976773168 512 byte sectors: 16H 63S/T 16383C) > ada3: Native Command Queueing enabled > ada4 at ahcich5 bus 0 target 0 lun 0 > ada4: <ST3750330AS SD15> ATA/ATAPI-8 SATA 2.x device > ada4: 300.000MB/s transfers > ada4: 715404MB (1465149168 512 byte sectors: 16H 63S/T 16383C) > ada4: Native Command Queueing enabled > > BIOS must be set to ahci controller mode, and obviously both disk and > controller must support it. This works fine off a GENERIC. > > Also note this can change loader mappings, so be sure to edit fstab if necessary. -- Adam Vande More
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