helm版本回退

[root@master ~]# helm list -n  istio-system
NAME           	NAMESPACE   	REVISION	UPDATED                                	STATUS  	CHART                 	APP VERSION
jaeger-operator	istio-system	7       	2021-11-18 15:49:10.783153039 +0800 CST	deployed	jaeger-operator-2.26.0	1.27.0     
kiali-operator 	istio-system	4       	2021-11-18 15:36:24.945838387 +0800 CST	deployed	kiali-operator-1.38.1 	v1.38.1    
[root@master ~]# helm history -n istio-system jaeger-operator
REVISION	UPDATED                 	STATUS    	CHART                 	APP VERSION	DESCRIPTION    
1       	Wed Aug 25 13:39:38 2021	superseded	jaeger-operator-2.14.2	1.17.1     	Install complete              
2       	Mon Nov 15 11:11:58 2021	superseded	jaeger-operator-2.26.0	1.27.0     	Upgrade complete     
3       	Thu Nov 18 15:37:13 2021	superseded	jaeger-operator-2.14.2	1.17.1     	Rollback to 1      
[root@master ~]#  helm rollback -n istio-system jaeger-operator 2
Rollback was a success! Happy Helming!