本文介绍了无法挂载卷/dev/rbd1 [xfs]的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我安装了1个master和3个worker的kubernetes，并在其上部署了rook，rook-tools中的ceph status显示 ok .在 https://github.com/rook/rook.git 中有wordpress模板而当我创建它时，pod没有创建，并且
I install kubernetes with 1 master and 3 worker and deploy rook on it and the ceph status in rook-tools shows ok.there is wordpress template in https://github.com/rook/rook.gitand when i create it the pod does not created and
#kubectl describe pods wordpress-mysql-b78774f44-m548z -n default
Type Reason Age From Message
---- ------ ---- ---- -------
Warning FailedMount 15m (x51 over 128m) kubelet, ubuntu2 Unable to mount volumes for pod "test-pod-rbd_rook-ceph(15abe007-53a4-11e9-abd9-7c8bca00f216)": timeout expired waiting for volumes to attach or mount for pod "rook-ceph"/"test-pod-rbd". list of unmounted volumes=[data]. list of unattached volumes=[data default-token-8p9br]
Warning FailedMount 18s (x72 over 130m) kubelet, ubuntu2 MountVolume.SetUp failed for volume "pvc-fd3fdbc4-53b7-11e9-abd9-7c8bca00f216" : mount command failed, status: Failure, reason: failed to mount volume /dev/rbd1 [xfs] to /var/lib/kubelet/plugins/ceph.rook.io/rook-ceph-system/mounts/pvc-fd3fdbc4-53b7-11e9-abd9-7c8bca00f216, error executable file not found in $PATH
#kubectl get events
18h Warning FailedMount pod/wordpress-mysql-b78774f44-m548z MountVolume.SetUp failed for volume "pvc-e1e758a8-53b6-11e9-abd9-7c8bca00f216" : mount command failed, status: Failure, reason: failed to mount volume /dev/rbd0 [xfs] to /var/lib/kubelet/plugins/ceph.rook.io/rook-ceph-system/mounts/pvc-e1e758a8-53b6-11e9-abd9-7c8bca00f216, error executable file not found in $PATH
18h Warning FailedMount pod/wordpress-mysql-b78774f44-m548z Unable to mount volumes for pod "wordpress-mysql-b78774f44-m548z_default(e1f6de90-53b6-11e9-abd9-7c8bca00f216)": timeout expired waiting for volumes to attach or mount for pod "default"/"wordpress-mysql-b78774f44-m548z". list of unmounted volumes=[mysql-persistent-storage]. list of unattached volumes=[mysql-persistent-storage default-token-bktfl]
35m Warning FailedMount pod/wordpress-mysql-b78774f44-m548z MountVolume.SetUp failed for volume "pvc-e1e758a8-53b6-11e9-abd9-7c8bca00f216" : mount command failed, status: Failure, reason: Rook: Error getting RPC client: error connecting to socket /usr/libexec/kubernetes/kubelet-plugins/volume/exec/ceph.rook.io~rook-ceph-system/.rook.sock: dial unix /usr/libexec/kubernetes/kubelet-plugins/volume/exec/ceph.rook.io~rook-ceph-system/.rook.sock: connect: connection refused
6m32s Warning FailedMount pod/wordpress-mysql-b78774f44-m548z Unable to mount volumes for pod "wordpress-mysql-b78774f44-m548z_default(e1f6de90-53b6-11e9-abd9-7c8bca00f216)": timeout expired waiting for volumes to attach or mount for pod "default"/"wordpress-mysql-b78774f44-m548z". list of unmounted volumes=[mysql-persistent-storage]. list of unattached volumes=[mysql-persistent-storage default-token-bktfl]
4m17s Warning FailedMount pod/wordpress-mysql-b78774f44-m548z MountVolume.SetUp failed for volume "pvc-e1e758a8-53b6-11e9-abd9-7c8bca00f216" : mount command failed, status: Failure, reason: Rook: Mount volume failed: failed to attach volume replicapool/pvc-e1e758a8-53b6-11e9-abd9-7c8bca00f216: failed to map image replicapool/pvc-e1e758a8-53b6-11e9-abd9-7c8bca00f216 cluster rook-ceph. failed to map image replicapool/pvc-e1e758a8-53b6-11e9-abd9-7c8bca00f216: Failed to complete 'rbd': signal: interrupt. . output:
我该如何解决?是虫子吗?
How can i solve it?Is it a bug?
推荐答案
要解决此问题，必须在StorageClass中更改fstype:xfs-> ext4
to resolve this issue, you must change fstype: xfs -> ext4 in your StorageClass
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