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
> + [ -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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