S01020
Error Code
S01020
Error Message
The specified partitions must already exist in the database.
                    RefId:S01020
Probable Causes
When performing backup by partition, if the partitions specified in partition
                of backup do not exist in the table, this error is thrown.
Solutions
- Execute the pnodeRun(getTabletsMeta)command to check the existing partitions in the table.
- Modify the partition parameter of backup.
