RE: usb umass flash drive mount/umount questions

[Brian Black]

Fred,
   have u tried to give the sync option when mounting.  Tho i have not 
used usb.conf  to auto mount(which is cool), my /etc/fstab line reads
/dev/da0s1   /mnt/thumb   ufs2   rw,noauto,sync   0   0

IMO, even if u use the sync option u are not guaranteed to have all the 
data written out to the thumb drive if u wish to just pull the device 
from the box.  the box cannot determine when u are going to pull the 
device.  by doing the umount the computer knows to flush all the I/O 
because the thumb drive might be pulled.

hope that helps any.

--
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-Brian Black (Software Engineer)-
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-ProActiveTechllc.com   -
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Re: usb umass flash drive mount/umount questions

[Saint Aardvark the Carpeted]

Fred Clift disturbed my sleep to write:
 So, are there other fstypes, or some kind of filesystem tuning or mount
 flags I can use to say always flush all writes synchronously so that if
 the device disappeared it would be consistent and have the right contents.

Probably a dumb question, but wouldn't -o sync do this?
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Because the plural of Anecdote is Myth.
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