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Extending sda Partition With Growpart Utility Fails With Error "no tools available to resize disk"

APPLIES TO:

Oracle Cloud Infrastructure - CentOS 7
Linux x86-64

SYMPTOMS

Extending sda3 partition with growpart utility Fails with Error in Centos 7 OCI instance

[root@xxxx ~]# growpart /dev/sda 3
no tools available to resize disk with 'gpt'
FAILED: failed to get a resizer for id ''

CHANGES

Extending Root Partition sda3

CAUSE

 Missing gdisk package, Both cloud-utils-growpart and gdisk is required for extending the partition using growpart utility.

$ [root@xxxxxxx ~]# rpm -qa | grep gdisk

SOLUTION

 As per the error message gdisk package was not installed on the system, which is required for gpt partition management.

 Installing the gdisk package fixed the problem

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