Re: umass panic

["Simon 'corecode' Schubert" <corecode@xxxxxxxxxxxx>]

On 17.07.2005, at 14:15, Joerg Sonnenberger wrote:
> > > >  I wouldn't expect good things to happen detaching a drive without
> > > >  unmounting it first.
> > > People are used to pulling out flash storage (compact flash, memory 
> > > sticks
> > > and the like) without the system going down.  Especially if no 
> > > changes have
> > > been made to the filesystem.
> > > Things like this need to be handled transparent and gracefully, not
> > > panicing.  (This has always been my one of biggest gripes about 
> > > Unix.)
> > yea, despite that it's not particularly nice to the operating system 
> > to
> > remove devices without telling so first, we have to face this 
> > situation.
> > I'd even prefer that non-flushed data will be kept (or transferred to 
> > a
> > userland tool), so that if you notice "uh, I didn't umount!" and 
> > insert
> > it back, the data can be flushed out...
> The problem with this is that USB device don't have UUIDs, unlike
> Firewire. So you can't reliable detect that it is the same device, it
> might be another USB stick of the same brand afterall.

that's the problem of the user then. I'd just check the superblock or 
such...

cheers
  simon

--
Serve - BSD     +++  RENT this banner advert  +++    ASCII Ribbon   /"\
Work - Mac      +++  space for low $$$ NOW!1  +++      Campaign     \ /
Party Enjoy Relax   |   http://dragonflybsd.org      Against  HTML   \
Dude 2c 2 the max   !   http://golden-apple.biz       Mail + News   / \

Attachment: PGP.sig
Description: This is a digitally signed message part