On 06/15/12 03:23, Thomas Mueller wrote: >> I can understand why I would see activity on a USB device when it's first >> plugged in. But why do I see continued activity (i.e. the light blinks on a >> usb disk or memory stick)? When I umount one of these, they keep being beat >> up on and it makes me nervous... At what point is it sync'd and safe to >> unplug? I assume when the umount returns, but what's going on after that? > > I had that problem/quirk with a SanDisk Cruzer 8 GB USB stick.
Heh. My 4 gig one does it too. However, so does my seagate usb hard drive, so it's not specific to one mfg. On 06/14/12 07:49, Daniel Feenberg wrote: > Is it possible that there is volitile memory buffering in the stick that may > not have been written to flash when umount thinks it is complete, and the > flashing light is an indication that power is still required to complete the > write to non-volitile memory? I'm pretty sure that's not it. My devices (memstick and usb disk) will blink happily for hours. Well, minutes, anyway. I haven't got the patience to wait it out beyond that... _______________________________________________ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "freebsd-questions-unsubscr...@freebsd.org"
