sbp - Serial Bus Protocol 2 (SBP-2) Mass Storage Devices driver
device sbp device firewire device scbus device da device cd device pass
Some users familiar with umass(4) might wonder why the device is not detached at the CAM layer when the device is unplugged. It is detached only if the device has not been plugged again during several bus resets. This is for preventing to detach an active file system even when the device cannot be probed correctly for some reason after a bus reset or when the device is temporary disconnected because the user changes the bus topology. If you want to force to detach the device, run ``fwcontrol -r '' several times or set hw.firewire.hold_count=0 by sysctl(1).
Some (broken) HDDs do not work well with tagged queuing. If you have problems with such drives, try ``camcontrol [device id] tags -N 1 '' to disable tagged queuing.
This manual page was written by An Katsushi Kobayashi .
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Created 1996-2023 by Maxim Chirkov
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