> >> > After a reboot, the relevant cloud-init logs: > >> > =================================== > >> > cc_growpart.py[DEBUG]: '/' NOCHANGE: no change necessary (/dev/vda, 1) > >> > util.py[DEBUG]: Resizing took 13.776 seconds > >> > cc_resizefs.py[DEBUG]: Resized root filesystem (type=ext4, val=True) > >> > >> These are log messages from cloud-init's growpart run. Can you post the > boot messages from initrd growpart? > >> > >> > >> ...Juerg > >> > > Hi Juerg, > > > > I didn't know about initrd based growpart. I see both > cloud-utils-growpart and dracut-modules-growroot are installed in the base > image (via yum info). > > Do I need any config on kernel modules or build a special initrd to make > growpart work on first boot? > > The initrd needs to be rebuilt after installing the > dracut-modules-growroot. > > > > > I didn't see growpart message in dmesg and kernel syslog > (/var/log/messages on the guest) in first boot and 2nd boot. > > /var/log/boot.log also has no information on that. Where can I get the > boot message from initrd growpart? > > They should be in /var/log/boot.log. On CentOS 6.3: > [root@centos-6-3 ~]# cat /var/log/boot.log | grep grow > growroot: CHANGED: partition=1 start=2048 old: size=4192256 end=4194304 > new: size=20969408,end=20971456 > > > Double-check that you have the growroot pieces in the initrd: > [root@centos-6-3 ~]# lsinitrd > /boot/initramfs-2.6.32-279.19.1.el6.x86_64.img | grep grow > -rwxr-xr-x 1 root root 7077 Jan 10 2013 usr/bin/growpart > -rwxr-xr-x 1 root root 3085 Jan 16 2013 > pre-pivot/00growroot.sh > > > ...Juerg > > >
The old initramfs did not contain growpart, installing dracut-modules-growroot did not trigger a rebuild automatically. After rebuilding initramfs, and re-creating an image from the instance, it worked. Thanks Juerg. -- *YY Inc. is hiring* openstack and python developers. Interested? Check http://soa.game.yy.com/jobs.html -- Thanks, Yuanle
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