I use nexus3.30.1-01 ,How to restore after deleting a component？
Hi Hong Xiao,
You can read about how to restore your backups in the documentation: Backup and Restore
thank you ,I don’t have a backup，Some components have been deleted. Do you want to restore。
You can try recovering using Repair - Reconcile component database from blob store task as documented: Tasks
I highly recommend to implement a backup strategy for your Nexus Repository deployment to avoid bigger problems in the future: Backup and Restore
If you have purchased a license for Nexus Repository Pro and it is installed on this instance you can use our support system at https://support.sonatype.com to get assistance.
To purchase a license or find out more about the benefits of being a Sonatype customer please see Nexus Repository | Software Component Management.