Difference between revisions of "CentOS 7.x change filesystem UUID"
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[[Main Page|Home]] > [[CentOS]] > [[CentOS 7.x]] > [[CentOS 7.x system administration|System Administration]] > [[CentOS 7.x file system management|File system management]] > [[CentOS 7.x change filesystem UUID]] | |||
Changing filesystem UUID is required for cloned systems. This is also required if a boot root device is detached from a AWS VM and attached to another VM created with same AMI ID. To change UUID use following steps: | Changing filesystem UUID is required for cloned systems. This is also required if a boot root device is detached from a AWS VM and attached to another VM created with same AMI ID. To change UUID use following steps: | ||
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* https://docs.oracle.com/cd/E37670_01/E37355/html/ol_admin_xfs.html | * https://docs.oracle.com/cd/E37670_01/E37355/html/ol_admin_xfs.html | ||
* http://www.sudo-juice.com/how-to-change-the-uuid-of-a-linux-partition/ | * http://www.sudo-juice.com/how-to-change-the-uuid-of-a-linux-partition/ | ||
[[Main Page|Home]] > [[CentOS]] > [[CentOS 7.x]] > [[CentOS 7.x system administration|System Administration]] > [[CentOS 7.x file system management|File system management]] > [[CentOS 7.x change filesystem UUID]] | |||
Latest revision as of 06:50, 25 August 2022
Home > CentOS > CentOS 7.x > System Administration > File system management > CentOS 7.x change filesystem UUID
Changing filesystem UUID is required for cloned systems. This is also required if a boot root device is detached from a AWS VM and attached to another VM created with same AMI ID. To change UUID use following steps:
- Find UUID using blkid
- Generate new using uuidgen
- Update filesystem UUID
- For ext filesystems update using:
- tune2fs <device> -U <new-UUID>
- For xfs use:
- xfs_admin -U generate <device>
- For ext filesystems update using:
Refer:
- https://docs.oracle.com/cd/E37670_01/E37355/html/ol_admin_xfs.html
- http://www.sudo-juice.com/how-to-change-the-uuid-of-a-linux-partition/
Home > CentOS > CentOS 7.x > System Administration > File system management > CentOS 7.x change filesystem UUID
