Hello everyone,
Greetings!
- name: "Add disk for VM: {{ vm_name }}"
community.vmware.vmware_guest_disk:
hostname: hostname
username: username
password: password
validate_certs: false
datacenter: XYZ
moid: '{{ vm_info.id }}'
disk:
- size_mb: 5000
type: thick
datastore: XYZ
state: present
controller_type: IDE
controller_number: 0
unit_number: 1
delegate_to: "{{ delegation_host }}"
I am executing an Ansible playbook that adds a disk to the VMware virtual
machine when it is powered off. This is because disk additions are not
possible when the virtual machine is powered on. After the virtual machine
reboots, I include a task to create a partition and extend the volume group.
When the VM reboots, sometimes the newly added disk is /dev/sdb and
sometimes /dev/sda. When it is created with /dev/sdb everything works fine,
but when the device letter drift happens i.e., when the newly created disk
is created with /dev/sda we receive error /dev/sdb in use while create
partition task .
- name: "Create partition"
community.general.parted:
device: /dev/sdb
number: 1
label: msdos
state: present
part_start: 0%
part_end: 100%
This is obvious as newly created disk assigned with device/dev/sda and
/dev/sdb is pointing to current os file system.
- name: "Extend volume group on top of /dev/sdb"
community.general.lvg:
vg: volgrp
pvs: /dev/sda2,/dev/sdb1
Also i receive the error " Device /dev/sda2 not found " when device letter
drift happens.
Question 1: Is there any possibility to assign newly added disk with
/dev/sdb only ? So that task 2 and task 3 execute perfectly.
Question 2: When creating partition device parameter is required , how can
we add device value to newly added disk only ( ex: if the newly added disk
is assigned /dev/sdb it should take the same value in create partition
device parameter)
Question3: how can we add value in pvs from above fetched info ?
I have gone through docs that when the VM reboots there is no guarantee
that /dev/sd* will be created. * may vary when vm reboots. How to solve
this with ansible ?
Hope someone will solve this!
Thank you!
HSK
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