The gdisk package and therefor sgdisk was not installed. It seems this
is why the GPT partition was not created correctly. After installing
sgdisk the partition was created successfully from sector 2048.
** Changed in: cloud-init
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1796959
Title:
cloud-init disk_setup creates misaligned partition
Status in cloud-init:
Invalid
Bug description:
[Impact]
Cloud-init disk_setup has the function to partition disks on devices.
Partitions are not usable as sfdisk creates new partitions starting on sector
1. It seems either no start sector value is being passed to sfdisk during
execution, or an incorrect start sector value of 1 is being passed.
[Configuration]
### User Data ###
disk_setup:
/dev/sdc:
type: gpt
layout: auto
overwrite: True
[Resulting Logs]
### /var/log/cloud-init.log ###
2018-10-08 12:51:29,732 - cc_disk_setup.py[DEBUG]: Partitioning disks:
{'/dev/disk/cloud/azure_resource': {'_origname': 'ephemeral0', 'table_type':
'gpt', 'layout': [100], 'overwrite': True}, '/dev/sdc': {'layout': True,
'type': 'gpt'}}
2018-10-08 12:51:29,920 - cc_disk_setup.py[DEBUG]: Checking values for
/dev/sdc definition
2018-10-08 12:51:29,921 - cc_disk_setup.py[DEBUG]: Checking if device
/dev/sdc is a valid device
2018-10-08 12:51:29,921 - util.py[DEBUG]: Running command ['/usr/bin/lsblk',
'--pairs', '--output', 'NAME,TYPE,FSTYPE,LABEL', '/dev/sdc', '--nodeps'] with
allowed return codes [0] (shell=False, capture=True)
2018-10-08 12:51:29,939 - util.py[DEBUG]: Running command
['/usr/sbin/blockdev', '--rereadpt', '/dev/sdc'] with allowed return codes [0]
(shell=False, capture=True)
2018-10-08 12:51:29,955 - util.py[DEBUG]: Running command
['/usr/sbin/sfdisk', '-l', '/dev/sdc'] with allowed return codes [0]
(shell=False, capture=True)
2018-10-08 12:51:30,040 - util.py[DEBUG]: Running command ['/usr/bin/lsblk',
'--pairs', '--output', 'NAME,TYPE,FSTYPE,LABEL', '/dev/sdc'] with allowed
return codes [0] (shell=False, capture=True)
2018-10-08 12:51:30,045 - util.py[DEBUG]: Running command ['/usr/sbin/blkid',
'-c', '/dev/null', '/dev/sdc'] with allowed return codes [0, 2] (shell=False,
capture=True)
2018-10-08 12:51:30,055 - util.py[DEBUG]: Running command ['/usr/sbin/blkid',
'-c', '/dev/null', '/dev/sdc'] with allowed return codes [0, 2] (shell=False,
capture=True)
2018-10-08 12:51:30,063 - util.py[DEBUG]: Running command
['/usr/sbin/blockdev', '--getsize64', '/dev/sdc'] with allowed return codes [0]
(shell=False, capture=True)
2018-10-08 12:51:30,066 - util.py[DEBUG]: Running command
['/usr/sbin/blockdev', '--getss', '/dev/sdc'] with allowed return codes [0]
(shell=False, capture=True)
2018-10-08 12:51:30,070 - cc_disk_setup.py[DEBUG]: Creating partition table
on /dev/sdc
2018-10-08 12:51:30,070 - util.py[DEBUG]: Running command
['/usr/sbin/sfdisk', '--Linux', '--unit=S', '--force', '/dev/sdc'] with allowed
return codes [0] (shell=False, capture=True)
2018-10-08 12:51:30,178 - util.py[DEBUG]: Running command
['/usr/sbin/blockdev', '--rereadpt', '/dev/sdc'] with allowed return codes [0]
(shell=False, capture=True)
2018-10-08 12:51:30,218 - cc_disk_setup.py[DEBUG]: Partition table created
for /dev/sdc
2018-10-08 12:51:30,218 - util.py[DEBUG]: Creating partition on /dev/sdc took
0.298 seconds
2018-10-08 12:51:30,218 - cc_disk_setup.py[DEBUG]: setting up filesystems:
[{'device': '/dev/sdc1', 'label': 'data-dsk01', 'filesystem': 'xfs'}]
2018-10-08 12:51:30,225 - util.py[DEBUG]: Running command
['/usr/sbin/mkfs.xfs', '/dev/sdc1', '-L', 'data-dsk01'] with allowed return
codes [0] (shell=Fal$
2018-10-08 12:51:30,300 - util.py[DEBUG]: Creating fs for /dev/sdc1 took
0.082 seconds
2018-10-08 12:51:30,300 - util.py[WARNING]: Failed during filesystem operation
Failed to exec of '['/usr/sbin/mkfs.xfs', '/dev/sdc1', '-L', 'data-dsk01']':
Unexpected error while running command.
Command: ['/usr/sbin/mkfs.xfs', '/dev/sdc1', '-L', 'data-dsk01']
Exit code: 1
Reason: -
Stdout: -
Stderr: warning: device is not properly aligned /dev/sdc1
Use -f to force usage of a misaligned device
2018-10-08 12:51:30,300 - util.py[DEBUG]: Failed during filesystem operation
Failed to exec of '['/usr/sbin/mkfs.xfs', '/dev/sdc1', '-L', 'data-dsk01']':
Unexpected error while running command.
Command: ['/usr/sbin/mkfs.xfs', '/dev/sdc1', '-L', 'data-dsk01']
Exit code: 1
Reason: -
Stdout: -
Stderr: warning: device is not properly aligned /dev/sdc1
Use -f to force usage of a misaligned device
### fdisk ###
$fdisk -l /dev/sdc
Disk /dev/sdc: 10.7 GB, 10737418240 bytes, 20971520 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk label type: dos
Disk identifier: 0x00000000
Device Boot Start End Blocks Id System
/dev/sdc1 1 20971519 10485759+ 83 Linux
Partition 1 does not start on physical sector boundary.
[System Information]
CentOS Linux release 7.5.1804 (Core)
Kernel 3.10.0-862.14.4.el7.x86_64
Package:
Name : cloud-init
Arch : x86_64
Version : 0.7.9
Release : 24.el7.centos.1
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