建立bufferpool

db2 create bufferpool  databuf immediate size 10240 pagesize 8k

建立表空间        

①（没有指定pagesize大小及bufferpool）

 db2 "create tablespace test1 managed by database using (file '/tmp/c0000.LRG' 200)"

②指定了pagesize大小及bufferpool

50331648*32k/1024/1024=1536G=1.5T

db2 "create tablespace DMBA_DATA5 PAGESIZE 32K managed by database using(file '/DMBA_DATA/db2inst1/NODE0000/DB_DMBA/T00000011/C0000000.LRG' 50331648) bufferpool BP32KP1"