[Solve] DAAS Pubulish Error: Failed read-only file system

Problem description

When publishing the expansion of horizon DAAS desktop resource pool, the expansion failed with the following error:


This is because the SP device has an I/O error due to the underlying storage failure. When checking the SP device pair, you will see the following error when logging in:

where the root partition is mounted on the SDA device, execute mount to check that the current state of the root partition is RW. In addition, check the slony state, and the error is also reported. The data communication between the SP device pairs is abnormal. And there is no file system error, this is the buffer logic block, and the SDA mount

so, restart the SP device pair, and verify that the slony process communication is normal after restart; The desktop is normal again

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