Question on SCSI controllers and camcontrol

Dan Nelson dnelson at allantgroup.com
Mon Mar 7 11:58:47 PST 2005


In the last episode (Mar 07), Anthony Atkielski said:
> Dan Nelson writes:
> > Run "camcontrol devlist -v".  That will print out which controller
> > each scbus is attached to.  Maybe you have a dual-channel SCSI
> > card, or have added "device atapicam" to your kernel config file?
> 
> Here's what I get:
> 
> freebie# camcontrol devlist -v
> scbus0 on sbp0 bus 0:
> <  >                               at scbus0 target -1 lun -1 ()
> scbus1 on ahc0 bus 0:
> <HP C1533A 9503>                   at scbus1 target 3 lun 0 (pass0,sa0)
> <HP C1537A L708>                   at scbus1 target 4 lun 0 (pass1,sa1)
> <  >                               at scbus1 target -1 lun -1 ()
> scbus-1 on xpt0 bus 0:
> <  >                               at scbus-1 target -1 lun -1 (xpt0)
> freebie# grep sbp0 /var/log/*
> /var/log/dmesg.today:sbp0: <SBP-2/SCSI over FireWire> on firewire0
> /var/log/dmesg.yesterday:sbp0: <SBP-2/SCSI over FireWire> on firewire0
> /var/log/old.messages.2:Feb 22 05:22:45 freebie kernel: sbp0: <SBP-2/SCSI over FireWire> on firewire0
> freebie#
> 
> What's the connection between firewire and SCSI?

My guess is that firewire disks use SCSI.  If you don't have any
firewire storage devices, you can probably remove "device sbp" from
your kernel config.

-- 
	Dan Nelson
	dnelson at allantgroup.com


More information about the freebsd-questions mailing list