Centos 6.4Kernel 3.10.6Ceph 0.61.8 My ceph cluster is deployed on three nodes.One rbd image was created, mapped to one of the three nodes, formatted with ext4, and mounted.When rebooting this node, it hung umouting the file system on the rbd. My guess about the root cause:When the system shutting down, the services are stopped firstly, then the mounted file systems are umounted. For the file system on rbd, if there are dirty pages, a flush will happen, but the ceph services have been shut down, so it will hang. Am I right? How to work around this? Thanks!
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