Events: Type Reason Age From Message
Warning FailedMount 6m (x25 over 1h) kubelet, 10.130.33.13 Unable to mount volumes for pod "nginx-hello-deployment-6f9f4d7bcc-lbt2n_chenqiang-pv-test(7b0fcbd3-7382-11e8-80b5-74eacb7559f1)": timeout expired waiting for volumes to attach/mount for pod "chenqiang-pv-test"/"nginx-hello-deployment-6f9f4d7bcc-lbt2n". list of unattached/unmounted volumes=[nfs]
Warning FailedMount 12s (x39 over 1h) kubelet, 10.130.33.13 (combined from similar events): MountVolume.SetUp failed for volume "nfs-pv" : mount failed: exit status 32 Mounting command: systemd-run Mounting arguments: --description=Kubernetes transient mount for /var/lib/kubelet/pods/7b0fcbd3-7382-11e8-80b5-74eacb7559f1/volumes/kubernetes.io~nfs/nfs-pv --scope -- mount -t nfs 10.130.44.20:/test/mysql-nfs01 /var/lib/kubelet/pods/7b0fcbd3-7382-11e8-80b5-74eacb7559f1/volumes/kubernetes.io~nfs/nfs-pv Output: Running scope as unit run-11918.scope. mount: wrong fs type, bad option, bad superblock on 10.130.44.20:/test/mysql-nfs01, 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.
根据错误提示，查看/sbin/mount.<type>文件，果然发现没有/sbin/mount.nfs的文件，安装 nfs-utils 即可
解决办法：
apt-get install nfs-common
或者
yum install nfs-utils
安装之后，/sbin/ 下面多了几个 mount 文件，比如 mount.nfs 和 mount.nfs4等：
[appuser@chenqiang-dev]# cat /sbin/mo
再次 kubectl get po 试下，发现起来了
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