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Proxmox High Availability by Simon M.C. Cheng

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Troubleshooting system storage problems

In the previous chapters, we introduced three different storage systems, namely GlusterFS, CEPH, and DRBD volumes. In this section, I will list out the problems I have encountered while building the system for each separate filesystem.

DRBD volume not in synchronization

During a normal operation, data synchronization should be automatically performed. However, there are different scenarios that will cause a synchronization problem. The following problems will be covered in this section:

  • Need access to up-to-date data
  • Node with Diskless status
  • Node with Unknown status

Need access to up-to-date data during service initialization

Root cause: Your system might indicate that the data inside the current node (in the ...

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