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glusterfs - 0-glusterfs：设置 volfile 服务器失败：文件存在

问题描述

我的 kafka 使用 glusterfs 作为存储，当我应用 kafka 的 yaml 时，pod 始终处于 ContainerCreating 的状态，然后我检查 pod 的描述。我得到以下错误：

Warning  FailedMount  24m        kubelet, 10.0.0.156  MountVolume.SetUp failed for volume "pvc-4cebf743-e9a3-4bc0-b96a-e3bca2d7c65b" : mount failed: mount failed: exit status 1
Mounting command: systemd-run
Mounting arguments: --description=Kubernetes transient mount for /var/lib/kubelet/pods/a32117ca-3ce6-4fc4-b75a-15b63b859b71/volumes/kubernetes.io~glusterfs/pvc-4cebf743-e9a3-4bc0-b96a-e3bca2d7c65b --scope -- mount -t glusterfs -o auto_unmount,backup-volfile-servers=10.0.0.154:10.0.0.155:10.0.0.156,log-file=/var/lib/kubelet/plugins/kubernetes.io/glusterfs/pvc-4cebf743-e9a3-4bc0-b96a-e3bca2d7c65b/kafka-0-glusterfs.log,log-level=ERROR 10.0.0.155:vol_5fcfa0f585ce3677e573cf97f40191d3 /var/lib/kubelet/pods/a32117ca-3ce6-4fc4-b75a-15b63b859b71/volumes/kubernetes.io~glusterfs/pvc-4cebf743-e9a3-4bc0-b96a-e3bca2d7c65b
Output: Running scope as unit run-10840.scope.
[2020-03-14 13:56:14.771098] E [glusterfsd.c:825:gf_remember_backup_volfile_server] 0-glusterfs: failed to set volfile server: File exists
Mount failed. Please check the log file for more details.
, the following error information was pulled from the glusterfs log to help diagnose this issue: 
[2020-03-14 13:56:14.782472] E [glusterfsd-mgmt.c:1958:mgmt_getspec_cbk] 0-glusterfs: failed to get the 'volume file' from server
[2020-03-14 13:56:14.782519] E [glusterfsd-mgmt.c:2151:mgmt_getspec_cbk] 0-mgmt: failed to fetch volume file (key:vol_5fcfa0f585ce3677e573cf97f40191d3)
  Warning  FailedMount  24m  kubelet, 10.0.0.156  MountVolume.SetUp failed for volume "pvc-4cebf743-e9a3-4bc0-b96a-e3bca2d7c65b" : mount failed: mount failed: exit status 1
Mounting command: systemd-run
Mounting arguments: --description=Kubernetes transient mount for /var/lib/kubelet/pods/a32117ca-3ce6-4fc4-b75a-15b63b859b71/volumes/kubernetes.io~glusterfs/pvc-4cebf743-e9a3-4bc0-b96a-e3bca2d7c65b --scope -- mount -t glusterfs -o auto_unmount,backup-volfile-servers=10.0.0.154:10.0.0.155:10.0.0.156,log-file=/var/lib/kubelet/plugins/kubernetes.io/glusterfs/pvc-4cebf743-e9a3-4bc0-b96a-e3bca2d7c65b/kafka-0-glusterfs.log,log-level=ERROR 10.0.0.154:vol_5fcfa0f585ce3677e573cf97f40191d3 /var/lib/kubelet/pods/a32117ca-3ce6-4fc4-b75a-15b63b859b71/volumes/kubernetes.io~glusterfs/pvc-4cebf743-e9a3-4bc0-b96a-e3bca2d7c65b
Output: Running scope as unit run-11012.scope.
[2020-03-14 13:56:15.441030] E [glusterfsd.c:825:gf_remember_backup_volfile_server] 0-glusterfs: failed to set volfile server: File exists
Mount failed. Please check the log file for more details.
, the following error information was pulled from the glusterfs log to help diagnose this issue: 
[2020-03-14 13:56:15.452832] E [glusterfsd-mgmt.c:1958:mgmt_getspec_cbk] 0-glusterfs: failed to get the 'volume file' from server
[2020-03-14 13:56:15.452871] E [glusterfsd-mgmt.c:2151:mgmt_getspec_cbk] 0-mgmt: failed to fetch volume file (key:vol_5fcfa0f585ce3677e573cf97f40191d3)
  Warning  FailedMount  24m  kubelet, 10.0.0.156  MountVolume.SetUp failed for volume "pvc-4cebf743-e9a3-4bc0-b96a-e3bca2d7c65b" : mount failed: mount failed: exit status 1
Mounting command: systemd-run
Mounting arguments: --description=Kubernetes transient mount for /var/lib/kubelet/pods/a32117ca-3ce6-4fc4-b75a-15b63b859b71/volumes/kubernetes.io~glusterfs/pvc-4cebf743-e9a3-4bc0-b96a-e3bca2d7c65b --scope -- mount -t glusterfs -o auto_unmount,backup-volfile-servers=10.0.0.154:10.0.0.155:10.0.0.156,log-file=/var/lib/kubelet/plugins/kubernetes.io/glusterfs/pvc-4cebf743-e9a3-4bc0-b96a-e3bca2d7c65b/kafka-0-glusterfs.log,log-level=ERROR 10.0.0.154:vol_5fcfa0f585ce3677e573cf97f40191d3 /var/lib/kubelet/pods/a32117ca-3ce6-4fc4-b75a-15b63b859b71/volumes/kubernetes.io~glusterfs/pvc-4cebf743-e9a3-4bc0-b96a-e3bca2d7c65b
Output: Running scope as unit run-11236.scope.
[2020-03-14 13:56:16.646525] E [glusterfsd.c:825:gf_remember_backup_volfile_server] 0-glusterfs: failed to set volfile server: File exists
Mount failed. Please check the log file for more details.
, the following error information was pulled from the glusterfs log to help diagnose this issue: 
[2020-03-14 13:56:16.658118] E [glusterfsd-mgmt.c:1958:mgmt_getspec_cbk] 0-glusterfs: failed to get the 'volume file' from server
[2020-03-14 13:56:16.658168] E [glusterfsd-mgmt.c:2151:mgmt_getspec_cbk] 0-mgmt: failed to fetch volume file (key:vol_5fcfa0f585ce3677e573cf97f40191d3)
  Warning  FailedMount  24m  kubelet, 10.0.0.156  MountVolume.SetUp failed for volume "pvc-4cebf743-e9a3-4bc0-b96a-e3bca2d7c65b" : mount failed: mount failed: exit status 1
Mounting command: systemd-run
Mounting arguments: --description=Kubernetes transient mount for /var/lib/kubelet/pods/a32117ca-3ce6-4fc4-b75a-15b63b859b71/volumes/kubernetes.io~glusterfs/pvc-4cebf743-e9a3-4bc0-b96a-e3bca2d7c65b --scope -- mount -t glusterfs -o auto_unmount,backup-volfile-servers=10.0.0.154:10.0.0.155:10.0.0.156,log-file=/var/lib/kubelet/plugins/kubernetes.io/glusterfs/pvc-4cebf743-e9a3-4bc0-b96a-e3bca2d7c65b/kafka-0-glusterfs.log,log-level=ERROR 10.0.0.154:vol_5fcfa0f585ce3677e573cf97f40191d3 /var/lib/kubelet/pods/a32117ca-3ce6-4fc4-b75a-15b63b859b71/volumes/kubernetes.io~glusterfs/pvc-4cebf743-e9a3-4bc0-b96a-e3bca2d7c65b
Output: Running scope as unit run-11732.scope.

我该如何解决这个问题？

标签： glusterfs

解决方案

确保您在 .yaml 文件中的卷名称正确path: <the_volume_name>。要显示所有 gluster 卷，请使用：

sudo gluster volume status all

重新启动卷（在这种情况下，我的卷只是称为 gfs）：

gluster volume stop gfs
gluster volume start gfs

现在删除您的 pod 并重新创建它。或者尝试Kadlu.io或Ceph Storage。

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