kubernetes挂载nfs报错：MountVolume.SetUp failed for volume “httpd-storage” : mount failed: exit status 32
版本描述:
kubernetes 1.9.0
CentOS Linux release 7.2.1511 (Core)
问题描述:
kubernetes挂载nfs发现发现pod一直处于containercreating状态，describe pod 发现报错如下：
[root@master nginx-ip]# kubectl describe pod nginx-r67f7
Name: nginx-r67f7
Namespace: default
Node: master/10.168.xx.xx
Start Time: Sun, 10 Jun 2018 09:47:50 +0800
Labels: name=nginx
Annotations: <none>
Status: Pending
IP:
Controlled By: ReplicationController/nginx
Containers:
nginx:
Container ID:
Image: reg.xx.xx/library/nginx-ip:0.4
Image ID:
Port: 80/TCP
State: Waiting
Reason: ContainerCreating
Ready: False
Restart Count: 0
Environment: <none>
Mounts:
/usr/share/nginx/html from httpd-storage (rw)
/var/run/secrets/kubernetes.io/serviceaccount from default-token-drh57 (ro)
Conditions:
Type Status
Initialized True
Ready False
Volumes:
httpd-storage:
Type: NFS (an NFS mount that lasts the lifetime of a pod)
Server: 10.168.xx.xx
Path: /data/web
ReadOnly: false
default-token-drh57:
Type: Secret (a volume populated by a Secret)
SecretName: default-token-drh57
Optional: false
QoS Class: BestEffort
Node-Selectors: <none>
Tolerations: node.kubernetes.io/not-ready:NoExecute for 300s
node.kubernetes.io/unreachable:NoExecute for 300s
Events:
Type Reason Age From Message
—- —— —- —- ——-
Warning FailedMount 18s kubelet, master MountVolume.SetUp failed for volume "httpd-storage" : mount failed: exit status 32
Mounting command: systemd-run
Mounting arguments: –description=Kubernetes transient mount for /var/lib/kubelet/pods/4868802e-6c50-11e8-b8b6-b083feea4d48/volumes/kubernetes.io~nfs/httpd-storage –scope — mount -t nfs 10.168.xx.xx:/data/web /var/lib/kubelet/pods/4868802e-6c50-11e8-b8b6-b083feea4d48/volumes/kubernetes.io~nfs/httpd-storage
Output: Running scope as unit run-34311.scope.
mount: wrong fs type, bad option, bad superblock on 10.168.xx.xx:/data/web,
missing codepage or helper program, or other error
(for several filesystems (e.g. nfs, cifs) you might
need a /sbin/mount.<type> helper program)
In some cases useful info is found in syslog – try
dmesg | tail or so.
Normal SuccessfulMountVolume 18s kubelet, master MountVolume.SetUp succeeded for volume "default-token-drh57"
Warning FailedMount 17s kubelet, master MountVolume.SetUp failed for volume "httpd-storage" : mount failed: exit status 32
Mounting command: systemd-run
Mounting arguments: –description=Kubernetes transient mount for /var/lib/kubelet/pods/4868802e-6c50-11e8-b8b6-b083feea4d48/volumes/kubernetes.io~nfs/httpd-storage –scope — mount -t nfs 10.168.xx.xx:/data/web /var/lib/kubelet/pods/4868802e-6c50-11e8-b8b6-b083feea4d48/volumes/kubernetes.io~nfs/httpd-storage
Output: Running scope as unit run-34316.scope.
mount: wrong fs type, bad option, bad superblock on 10.168.xx.xx:/data/web,
missing codepage or helper program, or other error
(for several filesystems (e.g. nfs, cifs) you might
need a /sbin/mount.<type> helper program)
In some cases useful info is found in syslog – try
dmesg | tail or so.
Warning FailedMount 16s kubelet, master MountVolume.SetUp failed for volume "httpd-storage" : mount failed: exit status 32
Mounting command: systemd-run
Mounting arguments: –description=Kubernetes transient mount for /var/lib/kubelet/pods/4868802e-6c50-11e8-b8b6-b083feea4d48/volumes/kubernetes.io~nfs/httpd-storage –scope — mount -t nfs 10.168.xx.xx:/data/web /var/lib/kubelet/pods/4868802e-6c50-11e8-b8b6-b083feea4d48/volumes/kubernetes.io~nfs/httpd-storage
Output: Running scope as unit run-34325.scope.
mount: wrong fs type, bad option, bad superblock on 10.168.xx.xx:/data/web,
missing codepage or helper program, or other error
(for several filesystems (e.g. nfs, cifs) you might
need a /sbin/mount.<type> helper program)
In some cases useful info is found in syslog – try
dmesg | tail or so.
Warning FailedMount 14s kubelet, master MountVolume.SetUp failed for volume "httpd-storage" : mount failed: exit status 32
Mounting command: systemd-run
Mounting arguments: –description=Kubernetes transient mount for /var/lib/kubelet/pods/4868802e-6c50-11e8-b8b6-b083feea4d48/volumes/kubernetes.io~nfs/httpd-storage –scope — mount -t nfs 10.168.xx.xx:/data/web /var/lib/kubelet/pods/4868802e-6c50-11e8-b8b6-b083feea4d48/volumes/kubernetes.io~nfs/httpd-storage
Output: Running scope as unit run-34341.scope.
mount: wrong fs type, bad option, bad superblock on 10.168.xx.xx:/data/web,
missing codepage or helper program, or other error
(for several filesystems (e.g. nfs, cifs) you might
need a /sbin/mount.<type> helper program)
In some cases useful info is found in syslog – try
dmesg | tail or so.
Warning FailedMount 10s kubelet, master MountVolume.SetUp failed for volume "httpd-storage" : mount failed: exit status 32
Mounting command: systemd-run
Mounting arguments: –description=Kubernetes transient mount for /var/lib/kubelet/pods/4868802e-6c50-11e8-b8b6-b083feea4d48/volumes/kubernetes.io~nfs/httpd-storage –scope — mount -t nfs 10.168.xx.xx:/data/web /var/lib/kubelet/pods/4868802e-6c50-11e8-b8b6-b083feea4d48/volumes/kubernetes.io~nfs/httpd-storage
Output: Running scope as unit run-34364.scope.
mount: wrong fs type, bad option, bad superblock on 10.168.xx.xx:/data/web,
missing codepage or helper program, or other error
(for several filesystems (e.g. nfs, cifs) you might
need a /sbin/mount.<type> helper program)
In some cases useful info is found in syslog – try
dmesg | tail or so.
Warning FailedMount 2s kubelet, master MountVolume.SetUp failed for volume "httpd-storage" : mount failed: exit status 32
Mounting command: systemd-run
Mounting arguments: –description=Kubernetes transient mount for /var/lib/kubelet/pods/4868802e-6c50-11e8-b8b6-b083feea4d48/volumes/kubernetes.io~nfs/httpd-storage –scope — mount -t nfs 10.168.xx.xx:/data/web /var/lib/kubelet/pods/4868802e-6c50-11e8-b8b6-b083feea4d48/volumes/kubernetes.io~nfs/httpd-storage
Output: Running scope as unit run-34394.scope.
mount: wrong fs type, bad option, bad superblock on 10.168.xx.xx:/data/web,
missing codepage or helper program, or other error
(for several filesystems (e.g. nfs, cifs) you might
need a /sbin/mount.<type> helper program)
In some cases useful info is found in syslog – try
dmesg | tail or so.
看这个报错想是容器没有安装nfs-common nfs-utils软件包安装导致，容器安装完这两个包发现，还是报这个错误，经过不懈的google，终于发现需要将这两个软件包安装到宿主机上即可。
yum install nfs-common nfs-utils -y
可能是因为镜像分层机制导致。