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[ale] USB->IDE problems
- Subject: [ale] USB->IDE problems
- From: cfowler at outpostsentinel.com (Chris Fowler)
- Date: Wed Jan 21 21:40:59 2004
- In-reply-to: <[email protected]>
- References: <[email protected]>
A panic is okay. I've modified the kernel to reboot after a panic so we
do not hang. The system can panic and then be up an running 2 minutes
On Wed, 2004-01-21 at 21:07, Stephan Uphoff wrote:
> Oh ... your dealing with users !
> Is electrify device on open an option :-) ?
> If not I would think twice about mounting a filesystem.
> Disk file systems are often really touchy when you remove their
> device. Often the reaction is to panic and halt the kernel.
> ( I have not looked at the linux fs code in a while so I might
> be totally wrong here)
> Take a look at mtools - it may do what you want without mounting
> the device.
> > On Wed, 2004-01-21 at 17:58, Geoffrey wrote:
> > > Okay, so maybe my comparison is inappropriate, but what's wrong with:
> > >
> > > sync
> > > umount
> > > disconnect drive
> > >
> > > I don't see any difference between that and say a removable device such
> > > as a zip.
> > >
> > > Where's the flaw in my thought process?
> > There is no flaw in your thought process. If I was a user I would do
> > the same thing. The problem is that this USB drive or thumb drive will
> > be on a embedded network management device. The user may wish to make a
> > backup of the logs or view them so they will walk into the data center
> > and unplug the drive from the rear of the unit. When they are done they
> > will plug it in. If there were to unmount it, that would require them
> > to login to the device as an admin. In Winbloze I can unplug and plug my
> > hot plug devices all day long. This is a setup I need to replicate
> > under Linux.
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