$ dpkg-query --show cloud-init cloud-init 0.7.9-90-g61eb03fe-0ubuntu1~16.10.1
$ grep /mnt /proc/mounts /dev/vdb1 /mnt ext4 rw,relatime,data=ordered 0 0 $ sudo blkid /dev/vdb1 /dev/vdb1: LABEL="mydata" UUID="20a0d834-2aca-450c-8d4d-a9e0a3fa74da" TYPE="ext4" PARTUUID="4d3c51ff-449e-4497-9ddc-54143b531095" $ echo $(date -R) hi mom | sudo tee -a /mnt/my-important-data.txt Mon, 17 Apr 2017 14:21:07 +0000 hi mom $ sudo rm -Rf /var/lib/cloud /var/log/cloud-init* $ sudo reboot ... # ssh back in $ grep cc_disk_setup.py /var/log/cloud-init.log 2017-04-17 14:22:05,078 - stages.py[DEBUG]: Running module disk_setup (<module 'cloudinit.config.cc_disk_setup' from '/usr/lib/python3/dist-packages/cloudinit/config/cc_disk_setup.py'>) with frequency once-per-instance 2017-04-17 14:22:05,080 - cc_disk_setup.py[DEBUG]: setting up filesystems: [{'label': 'mydata', 'partition': 'auto', 'device': '/dev/vdb', 'filesystem': 'ext4'}] 2017-04-17 14:22:05,166 - cc_disk_setup.py[DEBUG]: Creating new filesystem. 2017-04-17 14:22:05,166 - cc_disk_setup.py[DEBUG]: Checking /dev/vdb against default devices 2017-04-17 14:22:05,166 - cc_disk_setup.py[DEBUG]: Identifying device to create mydata filesytem on 2017-04-17 14:22:05,176 - cc_disk_setup.py[DEBUG]: Automatic device for /dev/vdb identified as /dev/vdb1 2017-04-17 14:22:05,176 - cc_disk_setup.py[DEBUG]: Found filesystem match, skipping formating. $ cat /mnt/my-important-data.txt Mon, 17 Apr 2017 14:21:07 +0000 hi mom ** Tags removed: verification-needed ** Tags added: verification-done-yakkety verification-needed-xenial -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1634678 Title: fs_setup always creates new filesystem with partition 'auto' To manage notifications about this bug go to: https://bugs.launchpad.net/cloud-init/+bug/1634678/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs