Messages in this thread | | | Date | Wed, 3 Dec 2008 19:16:05 +0100 | From | Pavel Machek <> | Subject | Re: writing file to disk: not as easy as it looks |
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> > CRC errors, lost IRQs and the like are retried by the midlayer and > > drivers and the error handling strategies will also try things like > > reducing link speeds on repeated CRC errors. > > I meant for example loose cable or so --- does it make sense to retry > indefinitely (until the admin plugs the cable or unmounts the filesystem) > or return error to the filesystem after few retries?
It is quite non-trivial to detect if it is "disk plugged back in" vs. "faulty disk unplugged, new one plugged in"... so I suppose automatic retry after failure of connection to disk is quite hard to get right.
-- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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