expdp時報錯?

fish617

OS:AIX5.3
DB:ORA10GR2

Connected to: Oracle Database 10g Enterprise Edition Release 10.2.0.2.0 - 64bit Production
With the Partitioning, Real Application Clusters, OLAP and Data Mining options
Starting "SYSTEM"."SYS_EXPORT_SCHEMA_43":  system/******** schemas=symbols directory=MYDIR dumpfile=UDBPROD_SYMBOLS_EXPDP_2008070104
03.dmp logfile=UDBPROD_SYMBOLS_EXPDP_200807010403.log parallel=10
Estimate in progress using BLOCKS method...
Processing object type SCHEMA_EXPORT/TABLE/TABLE_DATA
Total estimation using BLOCKS method: 52.44 GB

. . exported "SYMBOLS"."GL_POST":"PMAXVALUE"             3.450 GB 16575355 rows
. . exported "SYMBOLS"."FM_AUDIT_LOG_REP"                10.46 KB       8 rows
ORA-31693: Table data object "SYMBOLS"."RB_TRAN_HIST":"PMAXVALUE"."SMAXVALUE" failed to load/unload and is being skipped due to error:
ORA-19502: write error on file "/oradata_d2/udbprod/DBBAK/dumpfile/UDBPROD_SYMBOLS_EXPDP_200807010403.dmp", blockno 8110777 (blocksize=4096)
ORA-27063: number of bytes read/written is incorrect
IBM AIX RISC System/6000 Error: 28: No space left on device
Additional information: -1
Additional information: 262144

該目錄下還有75G，何以會把“空間不足”？

另：數(shù)據(jù)庫db_block_size=8k,錯誤信息中的“blockno 8110777 (blocksize=4096)”從何而來啊？

請各位大蝦賜教，謝謝！