zhangyihong opened a new issue, #290:
URL: https://github.com/apache/apisix-helm-chart/issues/290
k8s版本: aws eks
kubectl version --short
Client Version: v1.19.6-eks-49a6c0
Server Version: v1.20.15-eks-0d102a7
apisix 版本：
```
$ helm list -n ingress-apisix
NAME NAMESPACE REVISION UPDATED
STATUS CHART APP VERSION
apisix ingress-apisix 1 2022-05-18 16:17:51.725532
+0800 CST deployed apisix-0.9.3 2.13.1
```
apache/apisix:2.13.1-alpine
apache/apisix-ingress-controller:1.4.1
docker.io/bitnami/etcd:3.4.18-debian-10-r14
pod:
```
$ kubectl get po -o wide -n ingress-apisix
NAME READY STATUS RESTARTS AGE
IP NODE
NOMINATED NODE READINESS GATES
apisix-78f5cb9b84-82czl 1/1 Running 0 16h
172.19.115.235 ip-172-19-113-187.cn-northwest-1.compute.internal <none>
<none>
apisix-78f5cb9b84-qczbv 1/1 Running 0 16h
172.19.117.215 ip-172-19-112-190.cn-northwest-1.compute.internal <none>
<none>
apisix-dashboard-5465fb4df7-9z8xg 1/1 Running 4 16h
172.19.116.190 ip-172-19-124-247.cn-northwest-1.compute.internal <none>
<none>
apisix-etcd-0 1/1 Running 0 16h
172.19.125.197 ip-172-19-119-174.cn-northwest-1.compute.internal <none>
<none>
apisix-etcd-1 1/1 Running 0 16h
172.19.98.160 ip-172-19-124-249.cn-northwest-1.compute.internal <none>
<none>
apisix-etcd-2 1/1 Running 0 16h
172.19.119.222 ip-172-19-117-72.cn-northwest-1.compute.internal <none>
<none>
apisix-ingress-controller-87d78d98d-dftls 1/1 Running 0 16h
172.19.97.227 ip-172-19-124-247.cn-northwest-1.compute.internal <none>
<none>
```
我们把
apisix-etcd-2所在的k8s节点(ip-172-19-117-72.cn-northwest-1.compute.internal)设置为维护模式，并驱逐该节点的apisix-etcd-2
到其他节点上：
```
$ kubectl drain ip-172-19-117-72.cn-northwest-1.compute.internal
--ignore-daemonsets --delete-local-data
node/ip-172-19-117-72.cn-northwest-1.compute.internal cordoned
WARNING: ignoring DaemonSet-managed Pods:
default/prometheus-node-exporter-55rbb, kube-system/aws-node-m5xjb,
kube-system/efs-csi-node-dlln4, kube-system/kube-proxy-xhjz7
evicting pod ingress-apisix/apisix-etcd-2
pod/apisix-etcd-2 evicted
node/ip-172-19-117-72.cn-northwest-1.compute.internal evicted
```
检查apisix-etcd-2迁移到新k8s节点后的运行状况，apisix-etcd-2在新的k8s节点(ip-172-19-97-147.cn-northwest-1.compute.internal)
一直处在CrashLoopBackOff状态：
```
$ kubectl get po -o wide -n ingress-apisix
NAME READY STATUS
RESTARTS AGE IP NODE
NOMINATED NODE READINESS GATES
apisix-78f5cb9b84-82czl 1/1 Running 0
17h 172.19.115.235 ip-172-19-113-187.cn-northwest-1.compute.internal
<none> <none>
apisix-78f5cb9b84-qczbv 1/1 Running 0
17h 172.19.117.215 ip-172-19-112-190.cn-northwest-1.compute.internal
<none> <none>
apisix-dashboard-5465fb4df7-9z8xg 1/1 Running 4
17h 172.19.116.190 ip-172-19-124-247.cn-northwest-1.compute.internal
<none> <none>
apisix-etcd-0 1/1 Running 0
17h 172.19.125.197 ip-172-19-119-174.cn-northwest-1.compute.internal
<none> <none>
apisix-etcd-1 1/1 Running 0
17h 172.19.98.160 ip-172-19-124-249.cn-northwest-1.compute.internal
<none> <none>
apisix-etcd-2 0/1 CrashLoopBackOff 8
16m 172.19.100.35 ip-172-19-97-147.cn-northwest-1.compute.internal
<none> <none>
apisix-ingress-controller-87d78d98d-dftls 1/1 Running 0
17h 172.19.97.227 ip-172-19-124-247.cn-northwest-1.compute.internal
<none> <none>
```
apisix-etcd-2 的日志：
```
$ kubectl logs apisix-etcd-2 -n ingress-apisix -f
etcd 01:28:08.43
etcd 01:28:08.43 Welcome to the Bitnami etcd container
etcd 01:28:08.43 Subscribe to project updates by watching
https://github.com/bitnami/bitnami-docker-etcd
etcd 01:28:08.43 Submit issues and feature requests at
https://github.com/bitnami/bitnami-docker-etcd/issues
etcd 01:28:08.44
etcd 01:28:08.44 INFO ==> ** Starting etcd setup **
etcd 01:28:08.46 INFO ==> Validating settings in ETCD_* env vars..
etcd 01:28:08.46 WARN ==> You set the environment variable
ALLOW_NONE_AUTHENTICATION=yes. For safety reasons, do not use this flag in a
production environment.
etcd 01:28:08.47 INFO ==> Initializing etcd
etcd 01:28:08.47 INFO ==> Generating etcd config file using env variables
etcd 01:28:08.48 INFO ==> Detected data from previous deployments
etcd 01:28:08.61 INFO ==> Updating member in existing cluster
Error: bad member ID arg (strconv.ParseUint: parsing "": invalid syntax),
expecting ID in Hex
```
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