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Re: usb flash drive removal (Re: Desktop NetBSD needs your help)
Sverre Froyen wrote:
On Wednesday 11 February 2009, Stathis Kamperis wrote:
2009/2/11 Jared D. McNeill <jmcneill%invisible.ca@localhost>:
Maybe we should add it to the Google Summer of Code project list.
It is already there:
I wonder if there is a simpler (80%) solution -- and forgive me if this has
already been suggested or if it is is impractical to implement (I am only
marginally familiar with the file system code).
I notice the USB devices usually (always?) contain a light that flashes while
the device is being accessed -- sort of like floppy drives in the old days.
This serves as a strong reminder to the user that she should not unplug the
device. The issue therefore is what to do if the user unplugs an idle device.
Here's my suggestion:
1) Sync a device after it has been idle for a short period. The time interval
should be short so that the user does not have time to remove the device
before it has been synced (say 0.2 to 0.5 sec.).
hah! I don't know about you, but I can easily unplug something less
than 0.2 seconds after it's been written to. Syncing more often to
removable devices would be a good thing to help keep the data
consistent, but that doesn't eliminate the
I think we can mostly get this with "mount -o sync", so from a user
experience perspective the "80% solution" would be to make this the
default for removable devices.
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