Date: Thu, 14 Jun 2012 14:37:52 +0100 From: Mike Clarke <jmc-freebsd2@milibyte.co.uk> To: freebsd-questions@freebsd.org Subject: Re: USB device activity when not mounted Message-ID: <201206141437.52763.jmc-freebsd2@milibyte.co.uk> In-Reply-To: <20120614080511.0d855639.freebsd@edvax.de> References: <4FD967E8.60305@dreamchaser.org> <20120614080511.0d855639.freebsd@edvax.de>
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On Thursday 14 June 2012 07:05:11 Polytropon wrote: > I don't think that's a problem. I've got a USB stick here > that has a blinkenlight as soon as it's powered on (plugged > in), even if there is no reading / writing / mounting activity. > > After you've successfully performed umount, the USB stick _is_ > synced and can safely be removed, no matter what you assume > the funny lights want to tell you. > > Maybe that's just a "modern feature" to make the USB stick "more > entertaining". :-) I have a Kingston one here which does appear to only blink while data is being transferred but one thing I have noticed is that the light continues to blink for a few seconds after the umount command completes. Presumably syncing is not compled until a few seconds after umount. Perhaps it's always safer to wait a few seconds after umounting before removing any USB storage device? -- Mike Clarke
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