gconcat

[Pawel Jakub Dawidek]

On Fri, Dec 16, 2005 at 08:10:51AM -0800, Lapo Nustrini wrote:
+> 
+> On Dec 15, 2005, at 6:17 PM, Pawel Jakub Dawidek wrote:
+> 
+> >On Thu, Dec 15, 2005 at 04:06:08PM -0800, Lapo Nustrini wrote:
+> >+>
+> >+> Can anyone tell me whether it is possible to expand a gconcat volume (by adding a drive to the end of it) without having to wipe the data from the existing set and 
+> >recreate
+> >+> from scratch?
+> >+> I don't mind having to manually edit bsdlabels and such.  Just wondering if its possible at all.
+> >+> I've been looking for some docs on this but can't seem to find a definitive answer.
+> >
+> >It should just work be relabeling providers.
+> >If you did something like:
+> >
+> >	# gconcat label foo da0 da1
+> >
+> >You can expand it with:
+> >
+> >	# gconcat label foo da0 da1 da2 da3
+> >
+> >etc. Just be sure the order of old providers is the same.
+> >
+> >PS. You'd need to stop device 'foo' first.
+> >
+> 
+> This is what I tried:
+> 
+> 	# mount /dev/concat/gc0 /mnt
+> 	# cp -pr ttt /mnt
+> 	# ls -la /mnt
+> 	total 8
+> 	drwxr-xr-x   4 root  wheel      512 Dec 16 07:49 .
+> 	drwxr-xr-x  25 root  wheel     1024 Dec 15 15:02 ..
+> 	drwxrwxr-x   2 root  operator   512 Dec 16 07:48 .snap
+> 	drwxr-xr-x   2 lapo  wheel      512 Nov  9 22:48 ttt
+> 	# umount /mnt
+> 	# gconcat stop gc0
+> 	# gconcat label gc0 ad1 ad3 ad4 ad6 ad7
+> 	# mount /dev/concat/gc0 /mnt
+> 	# ls -la
+> 	ls: ttt: Bad file descriptor
+> 	total 6
+> 	drwxr-xr-x   4 root  wheel      512 Dec 16 07:49 .
+> 	drwxr-xr-x  25 root  wheel     1024 Dec 15 15:02 ..
+> 	drwxrwxr-x   2 root  operator   512 Dec 16 07:48 .snap
+> 
+> Am I missing a step?
+> Thanks!

Are you sure you gave correct order? It works here just fine...
What was the previous 'gconcat label' command you gave?

-- 
Pawel Jakub Dawidek                       http://www.wheel.pl
pjd at FreeBSD.org                           http://www.FreeBSD.org
FreeBSD committer                         Am I Evil? Yes, I Am!
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