Re: [PATCH 2/5] Catch LVMErrors too when tearing down devices

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On Monday, March 16 2009, David Lehman said:
> On Mon, 2009-03-16 at 19:35 +0100, Hans de Goede wrote:
> > David Lehman wrote:
> > > On Mon, 2009-03-16 at 16:22 +0100, Hans de Goede wrote:
> > >> When tearing down devices in devicetree.populate() we may fail to teardown
> > >> certain LV's because they can be mounted (in the livecd case).
> > > 
> > > This one is okay, but maybe what we really want here is to catch
> > > Exception.
> > 
> > Yes and No, we still want to backtrace for example in case of a syntax error
> > or typo. Also it is sort of good to know which teardowns are known to fail from
> > time to time. For example the lvm teardown failing is really just the tip of
> > the iceberg of problems caused by filesystems we probe being mounted in the
> > livecd environment.
> 
> Maybe we should make a storage.errors.StorageError and have all the
> other exception classes in that file inherit from it, so we can do
> try...except StorageError. 

That's exactly the reply I was going to write :-)

Jeremy

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