[linux-lvm] bug in lvm tools 0.8i, 0.8final

Heinz Mauelshagen mauelsha at ez-darmstadt.telekom.de
Thu May 4 06:56:28 UTC 2000

> I've just come across a bug in lvm tools when not using /proc/partitions.
> lvm_add_dir_cache adds an entry, but checks for duplicates with
> lvm_dir_cache_hit.  The problem is simple:
> lrwxrwxrwx    1 root     root            9 May  8  1999 /dev/cdrom -> /dev/hdd
> If you have that symbolic link around, it will show up in the cache as
> /dev/cdrom, so if you try to pvcreate /dev/hdd, /dev/hdd never makes it
> into the cache.

Thanks for pointing this out.

> Either the duplicate mechanism should be taken out, or ignore symlinks
> and have things that check the cache dereference the symlinks...

Will check that...

> -- 
> Ryan Murray, (rmurray at cyberhqz.com, rmurray at stormix.com)
> Programmer, Stormix Technologies Inc.
> The opinions expressed here are my own.




Systemmanagement TS                              T-Nova
                                                 Entwicklungszentrum Darmstadt
Heinz Mauelshagen                                Otto-Roehm-Strasse 71c
Senior Systems Engineer                          Postfach 10 05 41
                                                 64205 Darmstadt
mge at EZ-Darmstadt.Telekom.de                      Germany
                                                 +49 6151 886-425

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