Azure Linux VM OS partition expansion
- Run following Azure powershell,
Login-AzureRmAccount
Get-AzureRmSubscription
Get-AzureRmSubscription
$subscriptionId = "Your Subscription ID"
$rgName = “YourResourceGroupName”
$vmName = “th-centos”
$vm = Get-AzureRmVM -ResourceGroupName $rgName -Name $vmName
$rgName = “YourResourceGroupName”
$vmName = “th-centos”
$vm = Get-AzureRmVM -ResourceGroupName $rgName -Name $vmName
PS C:\> Stop-AzureRmVM -ResourceGroupName $rgName -Name $vmName
OperationId :
Status : Succeeded
StartTime : 2016-11-28 PM 2:44:30
EndTime : 2016-11-28 PM 2:46:41
Error :
Status : Succeeded
StartTime : 2016-11-28 PM 2:44:30
EndTime : 2016-11-28 PM 2:46:41
Error :
PS C:\> $vm.StorageProfile.OSDisk.DiskSizeGB = 130
PS C:\> Update-AzureRmVM -ResourceGroupName $rgName -VM $vm
RequestId IsSuccessStatusCode StatusCode ReasonPhrase
--------- ------------------- ---------- ------------
True OK OK
--------- ------------------- ---------- ------------
True OK OK
PS C:\Users\taelee> Start-AzureRmVM -ResourceGroupName $rgName -Name $vmName
OperationId :
Status : Succeeded
StartTime : 2016-11-28 PM 3:07:53
EndTime : 2016-11-28 PM 3:08:26
Error :
Status : Succeeded
StartTime : 2016-11-28 PM 3:07:53
EndTime : 2016-11-28 PM 3:08:26
Error :
- Ubuntu would not require the following, for CentOS in this example
[taehee@th-centos ~]$ hostnamectl
Static hostname: th-centos
Icon name: computer-vm
Chassis: vm
Machine ID: e57a6b05e3d34a59b561f002e224d65a
Boot ID: 7348830553774bbe90f54883d716ef2a
Virtualization: microsoft
Operating System: CentOS Linux 7 (Core)
CPE OS Name: cpe:/o:centos:centos:7
Kernel: Linux 3.10.0-327.18.2.el7.x86_64
Architecture: x86-64
Static hostname: th-centos
Icon name: computer-vm
Chassis: vm
Machine ID: e57a6b05e3d34a59b561f002e224d65a
Boot ID: 7348830553774bbe90f54883d716ef2a
Virtualization: microsoft
Operating System: CentOS Linux 7 (Core)
CPE OS Name: cpe:/o:centos:centos:7
Kernel: Linux 3.10.0-327.18.2.el7.x86_64
Architecture: x86-64
[root@th-centos /]# fdisk /dev/sda
Welcome to fdisk (util-linux 2.23.2).
Welcome to fdisk (util-linux 2.23.2).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.
Command (m for help): u
Changing display/entry units to cylinders (DEPRECATED!).
Be careful before using the write command.
Command (m for help): u
Changing display/entry units to cylinders (DEPRECATED!).
Command (m for help): p
Disk /dev/sda: 136.4 GB, 136365211648 bytes, 266338304 sectors
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: dos
Disk identifier: 0x000dd16b
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: dos
Disk identifier: 0x000dd16b
Device Boot Start End Blocks Id System
/dev/sda1 * 1 3917 31456256 83 Linux
/dev/sda1 * 1 3917 31456256 83 Linux
Command (m for help): d
Selected partition 1
Partition 1 is deleted
Selected partition 1
Partition 1 is deleted
Command (m for help): n
Partition type:
p primary (0 primary, 0 extended, 4 free)
e extended
Select (default p): p
Partition number (1-4, default 1): 1
First cylinder (1-16578, default 1):
Using default value 1
Last cylinder, +cylinders or +size{K,M,G} (1-16578, default 16578):
Using default value 16578
Partition 1 of type Linux and of size 127 GiB is set
Partition type:
p primary (0 primary, 0 extended, 4 free)
e extended
Select (default p): p
Partition number (1-4, default 1): 1
First cylinder (1-16578, default 1):
Using default value 1
Last cylinder, +cylinders or +size{K,M,G} (1-16578, default 16578):
Using default value 16578
Partition 1 of type Linux and of size 127 GiB is set
Command (m for help): w
The partition table has been altered!
The partition table has been altered!
Calling ioctl() to re-read partition table.
WARNING: Re-reading the partition table failed with error 16: Device or resource busy.
The kernel still uses the old table. The new table will be used at
the next reboot or after you run partprobe(8) or kpartx(8)
Syncing disks.
The kernel still uses the old table. The new table will be used at
the next reboot or after you run partprobe(8) or kpartx(8)
Syncing disks.
[root@th-centos /]# shutdown -r -t 0
Shutdown scheduled for Mon 2016-11-28 06:35:04 UTC, use 'shutdown -c' to cancel.
[root@th-centos /]#
Broadcast message from root@th-centos (Mon 2016-11-28 06:34:04 UTC):
Shutdown scheduled for Mon 2016-11-28 06:35:04 UTC, use 'shutdown -c' to cancel.
[root@th-centos /]#
Broadcast message from root@th-centos (Mon 2016-11-28 06:34:04 UTC):
The system is going down for reboot at Mon 2016-11-28 06:35:04 UTC!
- Log back in to "th-centos"
[root@th-centos ~]# xfs_growfs -d /dev/sda1
meta-data=/dev/sda1 isize=256 agcount=4, agsize=1966016 blks
= sectsz=512 attr=2, projid32bit=1
= crc=0 finobt=0
data = bsize=4096 blocks=7864064, imaxpct=25
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0 ftype=0
log =internal bsize=4096 blocks=3839, version=2
= sectsz=512 sunit=0 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
data blocks changed from 7864064 to 33290440
meta-data=/dev/sda1 isize=256 agcount=4, agsize=1966016 blks
= sectsz=512 attr=2, projid32bit=1
= crc=0 finobt=0
data = bsize=4096 blocks=7864064, imaxpct=25
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0 ftype=0
log =internal bsize=4096 blocks=3839, version=2
= sectsz=512 sunit=0 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
data blocks changed from 7864064 to 33290440
[root@th-centos ~]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda1 127G 1.5G 126G 2% /
devtmpfs 1.7G 0 1.7G 0% /dev
tmpfs 1.7G 0 1.7G 0% /dev/shm
tmpfs 1.7G 8.3M 1.7G 1% /run
tmpfs 1.7G 0 1.7G 0% /sys/fs/cgroup
/dev/sdb1 50G 53M 47G 1% /mnt/resource
tmpfs 345M 0 345M 0% /run/user/1000
Filesystem Size Used Avail Use% Mounted on
/dev/sda1 127G 1.5G 126G 2% /
devtmpfs 1.7G 0 1.7G 0% /dev
tmpfs 1.7G 0 1.7G 0% /dev/shm
tmpfs 1.7G 8.3M 1.7G 1% /run
tmpfs 1.7G 0 1.7G 0% /sys/fs/cgroup
/dev/sdb1 50G 53M 47G 1% /mnt/resource
tmpfs 345M 0 345M 0% /run/user/1000
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