Public bug reported: Hi,
We run Openstack and need to provide instances that have very large root disks (> 2 TB) and it looks like cloud-init doesn't want to use the entire space. The regular Ubuntu cloud image has MBR and it doesn't see more than 2 TB, but even the GPT version (http://cloud- images.ubuntu.com/xenial/current/xenial-server-cloudimg-amd64-uefi1.img) still fails to see more than 2 TB. root@ubuntu-16:~# df -h Filesystem Size Used Avail Use% Mounted on udev 121G 0 121G 0% /dev tmpfs 25G 8.6M 25G 1% /run /dev/vda1 2.0T 857M 2.0T 1% / tmpfs 121G 0 121G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 121G 0 121G 0% /sys/fs/cgroup tmpfs 25G 0 25G 0% /run/user/1000 root@ubuntu-16:~# parted /dev/vda p Model: Virtio Block Device (virtblk) Disk /dev/vda: 5583GB Sector size (logical/physical): 512B/512B Partition Table: msdos Disk Flags: Number Start End Size Type File system Flags 1 1049kB 2199GB 2199GB primary ext4 boot root@ubuntu-16:~# lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT vda 253:0 0 5.1T 0 disk └─vda1 253:1 0 2T 0 part / root@ubuntu-16:~# dpkg -l | grep cloud-init ii cloud-init 17.2-35-gf576b2a2-0ubuntu1~16.04.2 all Init scripts for cloud instances ii cloud-initramfs-copymods 0.27ubuntu1.5 all copy initramfs modules into root filesystem for later use ii cloud-initramfs-dyn-netconf 0.27ubuntu1.5 all write a network interface file in /run for BOOTIF The cloud-init.log looks like the disk growing and file system resizing went fine: 018-04-10 14:14:31,332 - stages.py[DEBUG]: Running module growpart (<module 'cloudinit.config.cc_growpart' from '/usr/lib/python3/dist-packages/cloudinit/config/cc_growpart.py'>) with frequency always 2018-04-10 14:14:31,332 - handlers.py[DEBUG]: start: init-network/config-growpart: running config-growpart with frequency always 2018-04-10 14:14:31,332 - helpers.py[DEBUG]: Running config-growpart using lock (<cloudinit.helpers.DummyLock object at 0x7f98107d9a90>) 2018-04-10 14:14:31,332 - cc_growpart.py[DEBUG]: No 'growpart' entry in cfg. Using default: {'mode': 'auto', 'ignore_growroot_disabled': False, 'devices': ['/']} 2018-04-10 14:14:31,332 - util.py[DEBUG]: Running command ['growpart', '--help'] with allowed return codes [0] (shell=False, capture=True) 2018-04-10 14:14:31,352 - util.py[DEBUG]: Reading from /proc/1192/mountinfo (quiet=False) 2018-04-10 14:14:31,352 - util.py[DEBUG]: Read 2621 bytes from /proc/1192/mountinfo 2018-04-10 14:14:31,353 - util.py[DEBUG]: Running command ['systemd-detect-virt', '--quiet', '--container'] with allowed return codes [0] (shell=False, capture=True) 2018-04-10 14:14:31,355 - util.py[DEBUG]: Running command ['running-in-container'] with allowed return codes [0] (shell=False, capture=True) 2018-04-10 14:14:31,356 - util.py[DEBUG]: Running command ['lxc-is-container'] with allowed return codes [0] (shell=False, capture=True) 2018-04-10 14:14:31,357 - util.py[DEBUG]: Reading from /proc/1/environ (quiet=False) 2018-04-10 14:14:31,358 - util.py[DEBUG]: Read 153 bytes from /proc/1/environ 2018-04-10 14:14:31,358 - util.py[DEBUG]: Reading from /proc/self/status (quiet=False) 2018-04-10 14:14:31,358 - util.py[DEBUG]: Read 906 bytes from /proc/self/status 2018-04-10 14:14:31,358 - util.py[DEBUG]: Reading from /sys/class/block/vda1/partition (quiet=False) 2018-04-10 14:14:31,358 - util.py[DEBUG]: Read 2 bytes from /sys/class/block/vda1/partition 2018-04-10 14:14:31,358 - util.py[DEBUG]: Reading from /sys/devices/pci0000:00/0000:00:04.0/virtio1/block/vda/dev (quiet=False) 2018-04-10 14:14:31,359 - util.py[DEBUG]: Read 6 bytes from /sys/devices/pci0000:00/0000:00:04.0/virtio1/block/vda/dev 2018-04-10 14:14:31,359 - util.py[DEBUG]: Running command ['growpart', '--dry-run', '/dev/vda', '1'] with allowed return codes [0] (shell=False, capture=True) 2018-04-10 14:14:31,504 - util.py[DEBUG]: Running command ['growpart', '/dev/vda', '1'] with allowed return codes [0] (shell=False, capture=True) 2018-04-10 14:14:31,567 - util.py[DEBUG]: resize_devices took 0.215 seconds 2018-04-10 14:14:31,567 - cc_growpart.py[INFO]: '/' resized: changed (/dev/vda, 1) from 2359296000 to 2199022206464 2018-04-10 14:14:31,567 - handlers.py[DEBUG]: finish: init-network/config-growpart: SUCCESS: config-growpart ran successfully 2018-04-10 14:14:31,567 - stages.py[DEBUG]: Running module resizefs (<module 'cloudinit.config.cc_resizefs' from '/usr/lib/python3/dist-packages/cloudinit/config/cc_resizefs.py'>) with frequency always 2018-04-10 14:14:31,568 - handlers.py[DEBUG]: start: init-network/config-resizefs: running config-resizefs with frequency always 2018-04-10 14:14:31,568 - helpers.py[DEBUG]: Running config-resizefs using lock (<cloudinit.helpers.DummyLock object at 0x7f9810347390>) 2018-04-10 14:14:31,568 - schema.py[DEBUG]: Ignoring schema validation. python-jsonschema is not present 2018-04-10 14:14:31,568 - util.py[DEBUG]: Reading from /proc/1192/mountinfo (quiet=False) 2018-04-10 14:14:31,568 - util.py[DEBUG]: Read 2621 bytes from /proc/1192/mountinfo 2018-04-10 14:14:31,569 - cc_resizefs.py[DEBUG]: resize_info: dev=/dev/vda1 mnt_point=/ path=/ 2018-04-10 14:14:31,569 - util.py[DEBUG]: Running command ['systemd-detect-virt', '--quiet', '--container'] with allowed return codes [0] (shell=False, capture=True) 2018-04-10 14:14:31,571 - util.py[DEBUG]: Running command ['running-in-container'] with allowed return codes [0] (shell=False, capture=True) 2018-04-10 14:14:31,572 - util.py[DEBUG]: Running command ['lxc-is-container'] with allowed return codes [0] (shell=False, capture=True) 2018-04-10 14:14:31,574 - util.py[DEBUG]: Reading from /proc/1/environ (quiet=False) 2018-04-10 14:14:31,574 - util.py[DEBUG]: Read 153 bytes from /proc/1/environ 2018-04-10 14:14:31,574 - util.py[DEBUG]: Reading from /proc/self/status (quiet=False) 2018-04-10 14:14:31,574 - util.py[DEBUG]: Read 906 bytes from /proc/self/status 2018-04-10 14:14:31,575 - cc_resizefs.py[DEBUG]: Resizing / (ext4) using resize2fs /dev/vda1 2018-04-10 14:14:31,575 - util.py[DEBUG]: Running command ('resize2fs', '/dev/vda1') with allowed return codes [0] (shell=False, capture=True) 2018-04-10 14:14:47,291 - util.py[DEBUG]: Resizing took 15.716 seconds 2018-04-10 14:14:47,291 - cc_resizefs.py[DEBUG]: Resized root filesystem (type=ext4, val=True) 2018-04-10 14:14:47,292 - handlers.py[DEBUG]: finish: init-network/config-resizefs: SUCCESS: config-resizefs ran successfully On the other hand, the Ubuntu 14.04 image with GPT works fine though and resizes the root to use the entire disk space provided, despite some errors in the cloud-init.log file: root@14-gpt:~# df -h Filesystem Size Used Avail Use% Mounted on udev 121G 12K 121G 1% /dev tmpfs 25G 352K 25G 1% /run /dev/vda1 5.0T 811M 4.8T 1% / none 4.0K 0 4.0K 0% /sys/fs/cgroup none 5.0M 0 5.0M 0% /run/lock none 121G 0 121G 0% /run/shm none 100M 0 100M 0% /run/user /dev/vda15 105M 3.2M 102M 4% /boot/efi root@14-gpt:~# parted /dev/vda p Model: Virtio Block Device (virtblk) Disk /dev/vda: 5583GB Sector size (logical/physical): 512B/512B Partition Table: gpt Number Start End Size File system Name Flags 14 1049kB 5243kB 4194kB bios_grub 15 5243kB 116MB 111MB fat32 boot 1 116MB 5583GB 5583GB ext4 root@14-gpt:~# lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT vda 253:0 0 5.1T 0 disk ├─vda1 253:1 0 5.1T 0 part / ├─vda14 253:14 0 4M 0 part └─vda15 253:15 0 106M 0 part /boot/efi root@14-gpt:~# dpkg -l | grep cloud-init ii cloud-init 0.7.5-0ubuntu1.22 all Init scripts for cloud instances Errors in the cloud-init.log file: 2018-04-10 14:42:40,537 - importer.py[DEBUG]: Looking for modules ['cc_growpart', 'cloudinit.config.cc_growpart'] that have attributes ['handle'] 2018-04-10 14:42:40,538 - importer.py[DEBUG]: Failed at attempted import of 'cc_growpart' due to: No module named cc_growpart 2018-04-10 14:42:40,538 - importer.py[DEBUG]: Found cc_growpart with attributes ['handle'] in ['cloudinit.config.cc_growpart'] 2018-04-10 14:42:40,538 - importer.py[DEBUG]: Looking for modules ['cc_resizefs', 'cloudinit.config.cc_resizefs'] that have attributes ['handle'] 2018-04-10 14:42:40,538 - importer.py[DEBUG]: Failed at attempted import of 'cc_resizefs' due to: No module named cc_resizefs 2018-04-10 14:42:40,539 - importer.py[DEBUG]: Found cc_resizefs with attributes ['handle'] in ['cloudinit.config.cc_resizefs'] 2018-04-10 14:42:40,539 - importer.py[DEBUG]: Looking for modules ['cc_set_hostname', 'cloudinit.config.cc_set_hostname'] that have attributes ['handle'] 2018-04-10 14:42:40,539 - importer.py[DEBUG]: Failed at attempted import of 'cc_set_hostname' due to: No module named cc_set_hostname 2018-04-10 14:42:40,539 - importer.py[DEBUG]: Found cc_set_hostname with attributes ['handle'] in ['cloudinit.config.cc_set_hostname'] 2018-04-10 14:42:40,539 - importer.py[DEBUG]: Looking for modules ['cc_update_hostname', 'cloudinit.config.cc_update_hostname'] that have attributes ['handle'] 2018-04-10 14:42:40,540 - importer.py[DEBUG]: Failed at attempted import of 'cc_update_hostname' due to: No module named cc_update_hostname 2018-04-10 14:42:40,540 - importer.py[DEBUG]: Found cc_update_hostname with attributes ['handle'] in ['cloudinit.config.cc_update_hostname'] 2018-04-10 14:42:40,540 - importer.py[DEBUG]: Looking for modules ['cc_update_etc_hosts', 'cloudinit.config.cc_update_etc_hosts'] that have attributes ['handle'] 2018-04-10 14:42:40,540 - importer.py[DEBUG]: Failed at attempted import of 'cc_update_etc_hosts' due to: No module named cc_update_etc_hosts 2018-04-10 14:42:40,540 - importer.py[DEBUG]: Found cc_update_etc_hosts with attributes ['handle'] in ['cloudinit.config.cc_update_etc_hosts'] 2018-04-10 14:42:40,540 - importer.py[DEBUG]: Looking for modules ['cc_ca_certs', 'cloudinit.config.cc_ca_certs'] that have attributes ['handle'] 2018-04-10 14:42:40,541 - importer.py[DEBUG]: Failed at attempted import of 'cc_ca_certs' due to: No module named cc_ca_certs 2018-04-10 14:42:40,541 - importer.py[DEBUG]: Found cc_ca_certs with attributes ['handle'] in ['cloudinit.config.cc_ca_certs'] 2018-04-10 14:42:40,541 - importer.py[DEBUG]: Looking for modules ['cc_rsyslog', 'cloudinit.config.cc_rsyslog'] that have attributes ['handle'] 2018-04-10 14:42:40,541 - importer.py[DEBUG]: Failed at attempted import of 'cc_rsyslog' due to: No module named cc_rsyslog 2018-04-10 14:42:40,542 - importer.py[DEBUG]: Found cc_rsyslog with attributes ['handle'] in ['cloudinit.config.cc_rsyslog'] 2018-04-10 14:42:40,542 - importer.py[DEBUG]: Looking for modules ['cc_users_groups', 'cloudinit.config.cc_users_groups'] that have attributes ['handle'] 2018-04-10 14:42:40,542 - importer.py[DEBUG]: Failed at attempted import of 'cc_users_groups' due to: No module named cc_users_groups 2018-04-10 14:42:40,542 - importer.py[DEBUG]: Found cc_users_groups with attributes ['handle'] in ['cloudinit.config.cc_users_groups'] 2018-04-10 14:42:40,542 - importer.py[DEBUG]: Looking for modules ['cc_ssh', 'cloudinit.config.cc_ssh'] that have attributes ['handle'] 2018-04-10 14:42:40,542 - importer.py[DEBUG]: Failed at attempted import of 'cc_ssh' due to: No module named cc_ssh 2018-04-10 14:42:40,543 - importer.py[DEBUG]: Found cc_ssh with attributes ['handle'] in ['cloudinit.config.cc_ssh'] 2018-04-10 14:42:40,543 - importer.py[DEBUG]: Looking for modules ['ubuntu', 'cloudinit.distros.ubuntu'] that have attributes ['Distro'] 2018-04-10 14:42:40,543 - importer.py[DEBUG]: Failed at attempted import of 'ubuntu' due to: No module named ubuntu 2018-04-10 14:42:40,543 - importer.py[DEBUG]: Found ubuntu with attributes ['Distro'] in ['cloudinit.distros.ubuntu'] 2018-04-10 14:42:40,543 - stages.py[DEBUG]: Using distro class <class 'cloudinit.distros.ubuntu.Distro'> 2018-04-10 14:42:40,544 - helpers.py[DEBUG]: Running config-migrator using lock (<cloudinit.helpers.DummyLock object at 0x7fc035363a90>) 2018-04-10 14:42:40,544 - cc_migrator.py[DEBUG]: Migrated 0 semaphore files to there canonicalized names 2018-04-10 14:42:40,544 - util.py[DEBUG]: Writing to /var/lib/cloud/instances/fb741604-966c-4142-8d81-904ab27ac5bd/sem/config_seed_random - wb: [420] 19 bytes 2018-04-10 14:42:40,544 - helpers.py[DEBUG]: Running config-seed_random using lock (<FileLock using file '/var/lib/cloud/instances/fb741604-966c-4142-8d81-904ab27ac5bd/sem/config_seed_random'>) 2018-04-10 14:42:40,544 - cc_seed_random.py[DEBUG]: seed_random: adding 512 bytes of random seed entropy to /dev/urandom 2018-04-10 14:42:40,544 - util.py[DEBUG]: Writing to /dev/urandom - ab: [None] 512 bytes 2018-04-10 14:42:40,545 - util.py[DEBUG]: Running command ['pollinate', '-q'] with allowed return codes [0] (shell=False, capture=False) 2018-04-10 14:42:41,192 - helpers.py[DEBUG]: Running config-bootcmd using lock (<cloudinit.helpers.DummyLock object at 0x7fc035302610>) 2018-04-10 14:42:41,192 - cc_bootcmd.py[DEBUG]: Skipping module named bootcmd, no 'bootcmd' key in configuration 2018-04-10 14:42:41,192 - util.py[DEBUG]: Writing to /var/lib/cloud/instances/fb741604-966c-4142-8d81-904ab27ac5bd/sem/config_write_files - wb: [420] 19 bytes 2018-04-10 14:42:41,192 - helpers.py[DEBUG]: Running config-write-files using lock (<FileLock using file '/var/lib/cloud/instances/fb741604-966c-4142-8d81-904ab27ac5bd/sem/config_write_files'>) 2018-04-10 14:42:41,192 - cc_write_files.py[DEBUG]: Skipping module named write-files, no/empty 'write_files' key in configuration 2018-04-10 14:42:41,193 - helpers.py[DEBUG]: Running config-growpart using lock (<cloudinit.helpers.DummyLock object at 0x7fc035302510>) 2018-04-10 14:42:41,193 - cc_growpart.py[DEBUG]: No 'growpart' entry in cfg. Using default: {'ignore_growroot_disabled': False, 'mode': 'auto', 'devices': ['/']} 2018-04-10 14:42:41,193 - util.py[DEBUG]: Running command ['growpart', '--help'] with allowed return codes [0] (shell=False, capture=True) 2018-04-10 14:42:41,197 - util.py[DEBUG]: Reading from /proc/945/mountinfo (quiet=False) 2018-04-10 14:42:41,197 - util.py[DEBUG]: Read 1174 bytes from /proc/945/mountinfo 2018-04-10 14:42:41,197 - util.py[DEBUG]: Reading from /sys/class/block/vda1/partition (quiet=False) 2018-04-10 14:42:41,197 - util.py[DEBUG]: Read 2 bytes from /sys/class/block/vda1/partition 2018-04-10 14:42:41,197 - util.py[DEBUG]: Reading from /sys/devices/pci0000:00/0000:00:04.0/virtio1/block/vda/dev (quiet=False) 2018-04-10 14:42:41,197 - util.py[DEBUG]: Read 6 bytes from /sys/devices/pci0000:00/0000:00:04.0/virtio1/block/vda/dev 2018-04-10 14:42:41,197 - util.py[DEBUG]: Running command ['growpart', '--dry-run', '/dev/vda', '1'] with allowed return codes [0] (shell=False, capture=True) 2018-04-10 14:42:41,223 - util.py[DEBUG]: Running command ['growpart', '/dev/vda', '1'] with allowed return codes [0] (shell=False, capture=True) 2018-04-10 14:42:42,276 - util.py[DEBUG]: resize_devices took 1.080 seconds 2018-04-10 14:42:42,276 - cc_growpart.py[INFO]: '/' resized: changed (/dev/vda, 1) from 2144321024 to 5583341075968 I also attached the output generated from "cloud-init collect-logs" from a Ubuntu 16.04 (GPT) instance deployed with a disk of 5.1 TB Thank you. ** Affects: cloud-init Importance: Undecided Status: New ** Attachment added: "cloud-init.tar.gz" https://bugs.launchpad.net/bugs/1762748/+attachment/5109379/+files/cloud-init.tar.gz -- You received this bug notification because you are a member of Yahoo! Engineering Team, which is subscribed to cloud-init. https://bugs.launchpad.net/bugs/1762748 Title: Larger than 2 TB disks not possible Status in cloud-init: New Bug description: Hi, We run Openstack and need to provide instances that have very large root disks (> 2 TB) and it looks like cloud-init doesn't want to use the entire space. The regular Ubuntu cloud image has MBR and it doesn't see more than 2 TB, but even the GPT version (http://cloud- images.ubuntu.com/xenial/current/xenial-server-cloudimg- amd64-uefi1.img) still fails to see more than 2 TB. root@ubuntu-16:~# df -h Filesystem Size Used Avail Use% Mounted on udev 121G 0 121G 0% /dev tmpfs 25G 8.6M 25G 1% /run /dev/vda1 2.0T 857M 2.0T 1% / tmpfs 121G 0 121G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 121G 0 121G 0% /sys/fs/cgroup tmpfs 25G 0 25G 0% /run/user/1000 root@ubuntu-16:~# parted /dev/vda p Model: Virtio Block Device (virtblk) Disk /dev/vda: 5583GB Sector size (logical/physical): 512B/512B Partition Table: msdos Disk Flags: Number Start End Size Type File system Flags 1 1049kB 2199GB 2199GB primary ext4 boot root@ubuntu-16:~# lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT vda 253:0 0 5.1T 0 disk └─vda1 253:1 0 2T 0 part / root@ubuntu-16:~# dpkg -l | grep cloud-init ii cloud-init 17.2-35-gf576b2a2-0ubuntu1~16.04.2 all Init scripts for cloud instances ii cloud-initramfs-copymods 0.27ubuntu1.5 all copy initramfs modules into root filesystem for later use ii cloud-initramfs-dyn-netconf 0.27ubuntu1.5 all write a network interface file in /run for BOOTIF The cloud-init.log looks like the disk growing and file system resizing went fine: 018-04-10 14:14:31,332 - stages.py[DEBUG]: Running module growpart (<module 'cloudinit.config.cc_growpart' from '/usr/lib/python3/dist-packages/cloudinit/config/cc_growpart.py'>) with frequency always 2018-04-10 14:14:31,332 - handlers.py[DEBUG]: start: init-network/config-growpart: running config-growpart with frequency always 2018-04-10 14:14:31,332 - helpers.py[DEBUG]: Running config-growpart using lock (<cloudinit.helpers.DummyLock object at 0x7f98107d9a90>) 2018-04-10 14:14:31,332 - cc_growpart.py[DEBUG]: No 'growpart' entry in cfg. Using default: {'mode': 'auto', 'ignore_growroot_disabled': False, 'devices': ['/']} 2018-04-10 14:14:31,332 - util.py[DEBUG]: Running command ['growpart', '--help'] with allowed return codes [0] (shell=False, capture=True) 2018-04-10 14:14:31,352 - util.py[DEBUG]: Reading from /proc/1192/mountinfo (quiet=False) 2018-04-10 14:14:31,352 - util.py[DEBUG]: Read 2621 bytes from /proc/1192/mountinfo 2018-04-10 14:14:31,353 - util.py[DEBUG]: Running command ['systemd-detect-virt', '--quiet', '--container'] with allowed return codes [0] (shell=False, capture=True) 2018-04-10 14:14:31,355 - util.py[DEBUG]: Running command ['running-in-container'] with allowed return codes [0] (shell=False, capture=True) 2018-04-10 14:14:31,356 - util.py[DEBUG]: Running command ['lxc-is-container'] with allowed return codes [0] (shell=False, capture=True) 2018-04-10 14:14:31,357 - util.py[DEBUG]: Reading from /proc/1/environ (quiet=False) 2018-04-10 14:14:31,358 - util.py[DEBUG]: Read 153 bytes from /proc/1/environ 2018-04-10 14:14:31,358 - util.py[DEBUG]: Reading from /proc/self/status (quiet=False) 2018-04-10 14:14:31,358 - util.py[DEBUG]: Read 906 bytes from /proc/self/status 2018-04-10 14:14:31,358 - util.py[DEBUG]: Reading from /sys/class/block/vda1/partition (quiet=False) 2018-04-10 14:14:31,358 - util.py[DEBUG]: Read 2 bytes from /sys/class/block/vda1/partition 2018-04-10 14:14:31,358 - util.py[DEBUG]: Reading from /sys/devices/pci0000:00/0000:00:04.0/virtio1/block/vda/dev (quiet=False) 2018-04-10 14:14:31,359 - util.py[DEBUG]: Read 6 bytes from /sys/devices/pci0000:00/0000:00:04.0/virtio1/block/vda/dev 2018-04-10 14:14:31,359 - util.py[DEBUG]: Running command ['growpart', '--dry-run', '/dev/vda', '1'] with allowed return codes [0] (shell=False, capture=True) 2018-04-10 14:14:31,504 - util.py[DEBUG]: Running command ['growpart', '/dev/vda', '1'] with allowed return codes [0] (shell=False, capture=True) 2018-04-10 14:14:31,567 - util.py[DEBUG]: resize_devices took 0.215 seconds 2018-04-10 14:14:31,567 - cc_growpart.py[INFO]: '/' resized: changed (/dev/vda, 1) from 2359296000 to 2199022206464 2018-04-10 14:14:31,567 - handlers.py[DEBUG]: finish: init-network/config-growpart: SUCCESS: config-growpart ran successfully 2018-04-10 14:14:31,567 - stages.py[DEBUG]: Running module resizefs (<module 'cloudinit.config.cc_resizefs' from '/usr/lib/python3/dist-packages/cloudinit/config/cc_resizefs.py'>) with frequency always 2018-04-10 14:14:31,568 - handlers.py[DEBUG]: start: init-network/config-resizefs: running config-resizefs with frequency always 2018-04-10 14:14:31,568 - helpers.py[DEBUG]: Running config-resizefs using lock (<cloudinit.helpers.DummyLock object at 0x7f9810347390>) 2018-04-10 14:14:31,568 - schema.py[DEBUG]: Ignoring schema validation. python-jsonschema is not present 2018-04-10 14:14:31,568 - util.py[DEBUG]: Reading from /proc/1192/mountinfo (quiet=False) 2018-04-10 14:14:31,568 - util.py[DEBUG]: Read 2621 bytes from /proc/1192/mountinfo 2018-04-10 14:14:31,569 - cc_resizefs.py[DEBUG]: resize_info: dev=/dev/vda1 mnt_point=/ path=/ 2018-04-10 14:14:31,569 - util.py[DEBUG]: Running command ['systemd-detect-virt', '--quiet', '--container'] with allowed return codes [0] (shell=False, capture=True) 2018-04-10 14:14:31,571 - util.py[DEBUG]: Running command ['running-in-container'] with allowed return codes [0] (shell=False, capture=True) 2018-04-10 14:14:31,572 - util.py[DEBUG]: Running command ['lxc-is-container'] with allowed return codes [0] (shell=False, capture=True) 2018-04-10 14:14:31,574 - util.py[DEBUG]: Reading from /proc/1/environ (quiet=False) 2018-04-10 14:14:31,574 - util.py[DEBUG]: Read 153 bytes from /proc/1/environ 2018-04-10 14:14:31,574 - util.py[DEBUG]: Reading from /proc/self/status (quiet=False) 2018-04-10 14:14:31,574 - util.py[DEBUG]: Read 906 bytes from /proc/self/status 2018-04-10 14:14:31,575 - cc_resizefs.py[DEBUG]: Resizing / (ext4) using resize2fs /dev/vda1 2018-04-10 14:14:31,575 - util.py[DEBUG]: Running command ('resize2fs', '/dev/vda1') with allowed return codes [0] (shell=False, capture=True) 2018-04-10 14:14:47,291 - util.py[DEBUG]: Resizing took 15.716 seconds 2018-04-10 14:14:47,291 - cc_resizefs.py[DEBUG]: Resized root filesystem (type=ext4, val=True) 2018-04-10 14:14:47,292 - handlers.py[DEBUG]: finish: init-network/config-resizefs: SUCCESS: config-resizefs ran successfully On the other hand, the Ubuntu 14.04 image with GPT works fine though and resizes the root to use the entire disk space provided, despite some errors in the cloud-init.log file: root@14-gpt:~# df -h Filesystem Size Used Avail Use% Mounted on udev 121G 12K 121G 1% /dev tmpfs 25G 352K 25G 1% /run /dev/vda1 5.0T 811M 4.8T 1% / none 4.0K 0 4.0K 0% /sys/fs/cgroup none 5.0M 0 5.0M 0% /run/lock none 121G 0 121G 0% /run/shm none 100M 0 100M 0% /run/user /dev/vda15 105M 3.2M 102M 4% /boot/efi root@14-gpt:~# parted /dev/vda p Model: Virtio Block Device (virtblk) Disk /dev/vda: 5583GB Sector size (logical/physical): 512B/512B Partition Table: gpt Number Start End Size File system Name Flags 14 1049kB 5243kB 4194kB bios_grub 15 5243kB 116MB 111MB fat32 boot 1 116MB 5583GB 5583GB ext4 root@14-gpt:~# lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT vda 253:0 0 5.1T 0 disk ├─vda1 253:1 0 5.1T 0 part / ├─vda14 253:14 0 4M 0 part └─vda15 253:15 0 106M 0 part /boot/efi root@14-gpt:~# dpkg -l | grep cloud-init ii cloud-init 0.7.5-0ubuntu1.22 all Init scripts for cloud instances Errors in the cloud-init.log file: 2018-04-10 14:42:40,537 - importer.py[DEBUG]: Looking for modules ['cc_growpart', 'cloudinit.config.cc_growpart'] that have attributes ['handle'] 2018-04-10 14:42:40,538 - importer.py[DEBUG]: Failed at attempted import of 'cc_growpart' due to: No module named cc_growpart 2018-04-10 14:42:40,538 - importer.py[DEBUG]: Found cc_growpart with attributes ['handle'] in ['cloudinit.config.cc_growpart'] 2018-04-10 14:42:40,538 - importer.py[DEBUG]: Looking for modules ['cc_resizefs', 'cloudinit.config.cc_resizefs'] that have attributes ['handle'] 2018-04-10 14:42:40,538 - importer.py[DEBUG]: Failed at attempted import of 'cc_resizefs' due to: No module named cc_resizefs 2018-04-10 14:42:40,539 - importer.py[DEBUG]: Found cc_resizefs with attributes ['handle'] in ['cloudinit.config.cc_resizefs'] 2018-04-10 14:42:40,539 - importer.py[DEBUG]: Looking for modules ['cc_set_hostname', 'cloudinit.config.cc_set_hostname'] that have attributes ['handle'] 2018-04-10 14:42:40,539 - importer.py[DEBUG]: Failed at attempted import of 'cc_set_hostname' due to: No module named cc_set_hostname 2018-04-10 14:42:40,539 - importer.py[DEBUG]: Found cc_set_hostname with attributes ['handle'] in ['cloudinit.config.cc_set_hostname'] 2018-04-10 14:42:40,539 - importer.py[DEBUG]: Looking for modules ['cc_update_hostname', 'cloudinit.config.cc_update_hostname'] that have attributes ['handle'] 2018-04-10 14:42:40,540 - importer.py[DEBUG]: Failed at attempted import of 'cc_update_hostname' due to: No module named cc_update_hostname 2018-04-10 14:42:40,540 - importer.py[DEBUG]: Found cc_update_hostname with attributes ['handle'] in ['cloudinit.config.cc_update_hostname'] 2018-04-10 14:42:40,540 - importer.py[DEBUG]: Looking for modules ['cc_update_etc_hosts', 'cloudinit.config.cc_update_etc_hosts'] that have attributes ['handle'] 2018-04-10 14:42:40,540 - importer.py[DEBUG]: Failed at attempted import of 'cc_update_etc_hosts' due to: No module named cc_update_etc_hosts 2018-04-10 14:42:40,540 - importer.py[DEBUG]: Found cc_update_etc_hosts with attributes ['handle'] in ['cloudinit.config.cc_update_etc_hosts'] 2018-04-10 14:42:40,540 - importer.py[DEBUG]: Looking for modules ['cc_ca_certs', 'cloudinit.config.cc_ca_certs'] that have attributes ['handle'] 2018-04-10 14:42:40,541 - importer.py[DEBUG]: Failed at attempted import of 'cc_ca_certs' due to: No module named cc_ca_certs 2018-04-10 14:42:40,541 - importer.py[DEBUG]: Found cc_ca_certs with attributes ['handle'] in ['cloudinit.config.cc_ca_certs'] 2018-04-10 14:42:40,541 - importer.py[DEBUG]: Looking for modules ['cc_rsyslog', 'cloudinit.config.cc_rsyslog'] that have attributes ['handle'] 2018-04-10 14:42:40,541 - importer.py[DEBUG]: Failed at attempted import of 'cc_rsyslog' due to: No module named cc_rsyslog 2018-04-10 14:42:40,542 - importer.py[DEBUG]: Found cc_rsyslog with attributes ['handle'] in ['cloudinit.config.cc_rsyslog'] 2018-04-10 14:42:40,542 - importer.py[DEBUG]: Looking for modules ['cc_users_groups', 'cloudinit.config.cc_users_groups'] that have attributes ['handle'] 2018-04-10 14:42:40,542 - importer.py[DEBUG]: Failed at attempted import of 'cc_users_groups' due to: No module named cc_users_groups 2018-04-10 14:42:40,542 - importer.py[DEBUG]: Found cc_users_groups with attributes ['handle'] in ['cloudinit.config.cc_users_groups'] 2018-04-10 14:42:40,542 - importer.py[DEBUG]: Looking for modules ['cc_ssh', 'cloudinit.config.cc_ssh'] that have attributes ['handle'] 2018-04-10 14:42:40,542 - importer.py[DEBUG]: Failed at attempted import of 'cc_ssh' due to: No module named cc_ssh 2018-04-10 14:42:40,543 - importer.py[DEBUG]: Found cc_ssh with attributes ['handle'] in ['cloudinit.config.cc_ssh'] 2018-04-10 14:42:40,543 - importer.py[DEBUG]: Looking for modules ['ubuntu', 'cloudinit.distros.ubuntu'] that have attributes ['Distro'] 2018-04-10 14:42:40,543 - importer.py[DEBUG]: Failed at attempted import of 'ubuntu' due to: No module named ubuntu 2018-04-10 14:42:40,543 - importer.py[DEBUG]: Found ubuntu with attributes ['Distro'] in ['cloudinit.distros.ubuntu'] 2018-04-10 14:42:40,543 - stages.py[DEBUG]: Using distro class <class 'cloudinit.distros.ubuntu.Distro'> 2018-04-10 14:42:40,544 - helpers.py[DEBUG]: Running config-migrator using lock (<cloudinit.helpers.DummyLock object at 0x7fc035363a90>) 2018-04-10 14:42:40,544 - cc_migrator.py[DEBUG]: Migrated 0 semaphore files to there canonicalized names 2018-04-10 14:42:40,544 - util.py[DEBUG]: Writing to /var/lib/cloud/instances/fb741604-966c-4142-8d81-904ab27ac5bd/sem/config_seed_random - wb: [420] 19 bytes 2018-04-10 14:42:40,544 - helpers.py[DEBUG]: Running config-seed_random using lock (<FileLock using file '/var/lib/cloud/instances/fb741604-966c-4142-8d81-904ab27ac5bd/sem/config_seed_random'>) 2018-04-10 14:42:40,544 - cc_seed_random.py[DEBUG]: seed_random: adding 512 bytes of random seed entropy to /dev/urandom 2018-04-10 14:42:40,544 - util.py[DEBUG]: Writing to /dev/urandom - ab: [None] 512 bytes 2018-04-10 14:42:40,545 - util.py[DEBUG]: Running command ['pollinate', '-q'] with allowed return codes [0] (shell=False, capture=False) 2018-04-10 14:42:41,192 - helpers.py[DEBUG]: Running config-bootcmd using lock (<cloudinit.helpers.DummyLock object at 0x7fc035302610>) 2018-04-10 14:42:41,192 - cc_bootcmd.py[DEBUG]: Skipping module named bootcmd, no 'bootcmd' key in configuration 2018-04-10 14:42:41,192 - util.py[DEBUG]: Writing to /var/lib/cloud/instances/fb741604-966c-4142-8d81-904ab27ac5bd/sem/config_write_files - wb: [420] 19 bytes 2018-04-10 14:42:41,192 - helpers.py[DEBUG]: Running config-write-files using lock (<FileLock using file '/var/lib/cloud/instances/fb741604-966c-4142-8d81-904ab27ac5bd/sem/config_write_files'>) 2018-04-10 14:42:41,192 - cc_write_files.py[DEBUG]: Skipping module named write-files, no/empty 'write_files' key in configuration 2018-04-10 14:42:41,193 - helpers.py[DEBUG]: Running config-growpart using lock (<cloudinit.helpers.DummyLock object at 0x7fc035302510>) 2018-04-10 14:42:41,193 - cc_growpart.py[DEBUG]: No 'growpart' entry in cfg. Using default: {'ignore_growroot_disabled': False, 'mode': 'auto', 'devices': ['/']} 2018-04-10 14:42:41,193 - util.py[DEBUG]: Running command ['growpart', '--help'] with allowed return codes [0] (shell=False, capture=True) 2018-04-10 14:42:41,197 - util.py[DEBUG]: Reading from /proc/945/mountinfo (quiet=False) 2018-04-10 14:42:41,197 - util.py[DEBUG]: Read 1174 bytes from /proc/945/mountinfo 2018-04-10 14:42:41,197 - util.py[DEBUG]: Reading from /sys/class/block/vda1/partition (quiet=False) 2018-04-10 14:42:41,197 - util.py[DEBUG]: Read 2 bytes from /sys/class/block/vda1/partition 2018-04-10 14:42:41,197 - util.py[DEBUG]: Reading from /sys/devices/pci0000:00/0000:00:04.0/virtio1/block/vda/dev (quiet=False) 2018-04-10 14:42:41,197 - util.py[DEBUG]: Read 6 bytes from /sys/devices/pci0000:00/0000:00:04.0/virtio1/block/vda/dev 2018-04-10 14:42:41,197 - util.py[DEBUG]: Running command ['growpart', '--dry-run', '/dev/vda', '1'] with allowed return codes [0] (shell=False, capture=True) 2018-04-10 14:42:41,223 - util.py[DEBUG]: Running command ['growpart', '/dev/vda', '1'] with allowed return codes [0] (shell=False, capture=True) 2018-04-10 14:42:42,276 - util.py[DEBUG]: resize_devices took 1.080 seconds 2018-04-10 14:42:42,276 - cc_growpart.py[INFO]: '/' resized: changed (/dev/vda, 1) from 2144321024 to 5583341075968 I also attached the output generated from "cloud-init collect-logs" from a Ubuntu 16.04 (GPT) instance deployed with a disk of 5.1 TB Thank you. 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