Jérôme Poulin wrote: > On Sat, Jul 10, 2010 at 7:49 PM, Rudy Zijlstra > <rudy@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > > Jeff Garzik wrote: > >> > >> On 07/10/2010 03:05 AM, Rudy Zijlstra wrote: > >>> > >>> Judging from my dmesg and lsscsi on a system with both scsi and SATA, > >>> ataX translates into scsi X:0:0:0 > >> > >> > >> There is no translation. > >> > >> It is random, based on driver load order. > > > > This then begs the question whether it can be dependingly derived from dmesg > > messages. Like messages > > > > [ 2.268315] ata7.00: configured for UDMA/133 > > [ 2.277452] scsi 7:0:0:0: Direct-Access ATA WDC WD7500AAKS-0 > > 30.0 PQ: 0 ANSI: 5 > > > > always following each other, thus making identification possible. > > I find it rather confusing in my log, and there are situation when you > hotplug the disk which does not make it show up right after the ataX > line, also if the logs overflow, then you can't know anyway. (I know > there's syslog too) > > There doesn't seem to be any mapping in /sys I though lshw would show > it but it isn't. For a scsi_host driven by libata, the number in /sys/class/scsi_host/host?/unique_id should match the ataX value. You can check /sys/class/scsi_host/host?/proc_name to see the driver for a particular scsi_host. -jim -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
