Re: [Vserver] mountpoints blocked - reloaded -- any updates ?

From: alexander goeres - lieblinx.net <agoeres_at_lieblinx.net>
Date: Tue 14 Mar 2006 - 13:01:25 GMT
Message-Id: <200603141401.25205.agoeres@lieblinx.net>

Hello List, hello Herbert,

is there any update or solution regarding this problem?

regards,
Alexander

Am Samstag, 18. Februar 2006 00:38 schrieb Herbert Poetzl:
> On Fri, Feb 17, 2006 at 01:50:41PM +0100, Oliver Welter wrote:
> > Hi Folks, Hi Bertl,
> >
> > the problem which seemed to be solved re-appeard today with recent
> > kernel patches (2.6.15-gentoo-r4-vs2.1.1-rc6)
> >
> > To reconstruct the problem
> > 1) add a drbd blockdevice to the guests fstab
> > 2) start and stop guest
> > 3) try to unmount the device
> > you get an error, telling that the drbd device is still mounted...
> >
> > So - any ideas ??
>
> okay, just as update, we tracked this down to
> the fact that even mainline 2.6.15/2.6.16-rc3
> does not release ext3 filesystems properly
> when the namespace is destroyed ... this can
> be easily verified with a mainline kernel and
> the following command sequence:
>
> vnamespace --new -- mount /dev/hda1 /mnt
>
> (assuming that /dev/hda1 contains an ext3 fs
> and /mnt exists, this will claim hda1 but not
> release it -- it works fine with ext2 though)
>
> now investigating ...
>
> best,

> Herbert
>
> > I am sure that there are no other contexts running, the maschine was
> > booted freshly before doing the above steps and the testsystem was the
> > only running guest
> >
> > Oliver
> > --
> > --==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--
> > Dipl.-Ing. Oliver Welter - microBLUE - http://www.microblue.de
> > Tel: 08131/80525 - Fax: 08131/80526 - Post: Loestr. 15; 85221 Dachau
> > webbasierte Anwendungen - Servertechnik - Groupware - PCs und Netzwerke
> > --==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--
> >
> >
> >
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Received on Tue Mar 14 12:53:43 2006

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