Insert 1 million data

Getting below error while running a background job for inserting 1 Million records.

Can I get some help ?

cp: error writing '/BackupVolume/hisDbBackup/WALs/0000000200000AE6000000B9': No space left on device
2020-12-17 21:55:26 +04 [55822]: user=,db=,app=,client= LOG: archive command failed with exit code 1
2020-12-17 21:55:26 +04 [55822]: user=,db=,app=,client= DETAIL: The failed archive command was: test ! -f /BackupVolume/dbWALBack/WALs/0000000200000AE6000000B9 && cp pg_wal/0000000200000AE6000000B9 /BackupVolume/hisDbBackup/WALs/0000000200000AE6000000B9

2020-12-17 21:53:56 +04 [84225]: user=AstDBA,db=AST-PROD,app=[unknown],client=172.18.200.100 HINT: In a moment you should be able to reconnect to the database and repeat your command.
2020-12-17 21:53:56 +04 [51102]: user=AstDBA,db=AST-PROD,app=[unknown],client=172.18.200.100 WARNING: terminating connection because of crash of another server process
2020-12-17 21:53:56 +04 [51102]: user=AstDBA,db=AST-PROD,app=[unknown],client=172.18.200.100 DETAIL: The postmaster has commanded this server process to roll back the current transaction and exit, because another server process exited abnormally and possibly corrupted shared memory.

2020-12-17 21:55:20 +04 [55808]: user=replicator,db=[unknown],app=[unknown],client=172.18.200.144 FATAL: the database system is in recovery mode

2020-12-17 21:55:25 +04 [55828]: user=replicator,db=[unknown],app=walreceiver,client=172.18.200.148 ERROR: requested starting point AEA/A2000000 is ahead of the WAL flush position of this server AEA/A1FFFA50
2020-12-17 21:55:25 +04 [55827]: user=replicator,db=[unknown],app=walreceiver,client=172.18.200.147 ERROR: requested starting point AEA/A2000000 is ahead of the WAL flush position of this server AEA/A1FFFA50
2020-12-17 21:55:25 +04 [55829]: user=replicator,db=[unknown],app=walreceiver,client=172.18.200.145 ERROR: requested starting point AEA/A2000000 is ahead of the WAL flush position of this server AEA/A1FFFA50
2020-12-17 21:55:25 +04 [55830]: user=replicator,db=[unknown],app=walreceiver,client=172.18.200.146 ERROR: requested starting point AEA/A2000000 is ahead of the WAL flush position of this server AEA/A1FFFA50
2020-12-17 21:55:25 +04 [55831]: user=replicator,db=[unknown],app=walreceiver,client=172.18.200.144 ERROR: requested starting point AEA/A2000000 is ahead of the WAL flush position of this server AEA/A1FFFA50

Thanks
Sreejith

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