Am 16.10.2013 19:22, schrieb Warpme: > On 10/16/13 7:02 PM, Zbigniew Jędrzejewski-Szmek wrote: >> On Wed, Oct 16, 2013 at 06:18:12PM +0200, Warpme wrote: >>> Hi, >>> I want to switch init system from SysV to systemd-196. >>> Sys is PXE booted disk-less appliance with rootfs based on overlayfs. >>> >>> Currently I can PXEboot, successfully switch root from initrd to >>> overlayfs based root, systemd starts and executes many of it's >>> units. >>> Unfortunately user units are failing due / is read-only. >>> When I issue "mount -o remount,rw /" - root becomes rw - so it >>> looks like systemd for some reason isn't remounting root to rw. >>> Interesting is that exactly the same initrd->overlayfs script (see >>> below) works OK for SysV - so I think issue isn't in my pivot_root >>> procedure but rather systemd receives / in rw but leaves in ro (as >>> "mount -o remount,rw /" allows to write to /). >>> >>> Script switching initrd to overlayfs root looks following: >>> >>> /bin/mount -n -t tmpfs none /rw >>> /bin/mkdir -p /rw/rootfs >>> /bin/mount -n -t overlayfs -o >>> lowerdir=/rootfs-ro,upperdir=/rw/rootfs none /rootfs >>> cd /rootfs >>> /bin/mkdir -p initrd proc sys >>> /sbin/pivot_root . initrd >>> exec /usr/sbin/chroot . /usr/lib/systemd/systemd >>> >>> Where issue might be? >> What's in /etc/fstab? >> >> Zbyszek >> > Zbyszku, > > Here is my fstab: > > none / auto remount,rw 0 0
why "none" and "remount"? typically the line looks like this UUID=b834776d-69d1-49c6-97c1-d6d758a438f0 / ext4 defaults i doubt that anything smells what "none" means
signature.asc
Description: OpenPGP digital signature
_______________________________________________ systemd-devel mailing list systemd-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/systemd-devel