要获取块中信息的物理布局,请运行 oncheck -pe。将列出数据库空间、BLOB 空间和智能大对象空间。以下示例显示 oncheck -pe 的样本输出。
DBSpace Usage Report: rootdbs Owner: gbasedbt Created: 08/08/2006
Chunk Pathname Size Used Free
1 /home/server/root_chunk 75000 19420 55580
Description Offset Size
------------------------------------------- --------------------
RESERVED PAGES 0 12
CHUNK FREELIST PAGE 12 1
rootdbs:'gbasedbt'.TBLSpace 13 250
PHYSICAL LOG 263 1000
FREE 1263 1500
LOGICAL LOG: Log file 2 2763 1500
LOGICAL LOG: Log file 3 4263 1500
...
sysmaster:'gbasedbt'.sysdatabases 10263 4
sysmaster:'gbasedbt'.systables 10267 8
...
Chunk Pathname Size Used Free
2 /home/server/dbspace1 5000 53 4947
Description Offset Size
------------------------------------------- --------------------
RESERVED PAGES 0 2
CHUNK FREELIST PAGE 2 1
dbspace1:'gbasedbt'.TBLSpace 3 50
FREE 53 4947