On 04/01/14 at 11:06am, Alexander Tsoy wrote:
> On Tue Apr 1 09:19:13 2014 WANG Chao <chaowang@xxxxxxxxxx> wrote:
> > If using systemd in initramfs, we could run into a race condition when
> > dracut and systemd both are trying to mount and run fsck for the same
> > filesystem, and mount or fsck could be a failure.
> >
> > To fix such failure, we should use systemd to mount/fsck from /etc/fstab
> > only.
> >
> > Signed-off-by: WANG Chao <chaowang@xxxxxxxxxx>
> > ---
> > modules.d/95fstab-sys/mount-sys.sh | 6 +++++-
> > 1 file changed, 5 insertions(+), 1 deletion(-)
> >
> > diff --git a/modules.d/95fstab-sys/mount-sys.sh
> > b/modules.d/95fstab-sys/mount-sys.sh index 12711a0..d65cafd 100755
> > --- a/modules.d/95fstab-sys/mount-sys.sh
> > +++ b/modules.d/95fstab-sys/mount-sys.sh
> > @@ -27,7 +27,11 @@ fstab_mount() {
> > return 0
> > }
> >
> > -[ -f /etc/fstab ] && fstab_mount /etc/fstab
> > +# systemd will mount and run fsck from /etc/fstab and we don't want to
> > +# run into a race condition.
> > +if [ `readlink -f /init` != '/usr/lib/systemd/systemd' ]; then
>
> It's better to test DRACUT_SYSTEMD variable here:
>
> if [ -z "$DRACUT_SYSTEMD" ]; then
Right. Will post v2. Thanks.
WANG Chao
>
> > + [ -f /etc/fstab ] && fstab_mount /etc/fstab
> > +fi
> >
> > # prefer $NEWROOT/etc/fstab.sys over local /etc/fstab.sys
> > if [ -f $NEWROOT/etc/fstab.sys ]; then
> > --
> > 1.8.5.3
> >
> > --
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>
> --
> Alexander Tsoy
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