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SBP(4)                DragonFly Kernel Interfaces Manual                SBP(4)

NAME

sbp -- Serial Bus Protocol 2 (SBP-2) Mass Storage Devices driver

SYNOPSIS

kldload firewire kldload cam kldload sbp or device sbp device firewire device scbus device da device cd device pass

DESCRIPTION

The sbp driver provides support for SBP-2 devices that attach to the FireWire (IEEE 1394) port. It should work with SBP-2 devices which the CAM layer supports, for example, HDDs, CDROM drives and DVD drives. Note that umass(4) does not detach the device from the CAM layer when the device is unplugged. The idea is to prevent detachment of active filesystems due to temporary disconnects or changes in the bus topology. You may have to run ``fwcontrol -r'' several times for the system to properly detach such devices. Some (broken) HDDs don't work well with tagged queuing. If you have prob- lems with such drives, try ``camcontrol [device id] tags -N 1'' to dis- able tagged queuing.

SEE ALSO

cam(4), firewire(4), camcontrol(8), fwcontrol(8), kldload(8), sysctl(8)

AUTHORS

The sbp driver was written by Katsushi Kobayashi and Hidetoshi Shimokawa. This manual page was written by Katsushi Kobayashi. DragonFly 3.5 May 20, 2002 DragonFly 3.5

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