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Management HA synchronization fails with an error message, "failed to export data", on Multi-Domain Management or Security Management environment with at least 3 machines Technical Level
Symptoms
  • Management HA synchronization fails with an error message: "NGM failed to export data".
  • To identify the error, look for the following line in $MDS_FWDIR/log/cpm.elg:
    R80.20 JHF:
    java.nio.file.FileAlreadyExistsException: /opt/CPmds-R80.20/log/mgha/..../export_ha_dump_files.tgz
                at sun.nio.fs.UnixCopyFile.copy(UnixCopyFile.java:563)

    R80.30 JHF:
    java.nio.file.FileAlreadyExistsException: /opt/CPmds-R80.30/log/mgha/..../export_ha_dump_files.tgz
                at sun.nio.fs.UnixCopyFile.copy(UnixCopyFile.java:563)
Cause

The issue occurs in cases of MDM environment with at least  3 machines with R80.30 JHF Take 135 or R80.20 JHF Take 127 or 134 installed.

HA creates a dump file and tries to copy it twice to the same location. The second time fails.


Solution
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