一、建表空间和数据库
1.在db2ad、db2db和db2ap上均执行:
- db2set db2comm=tcpip
- db2set db2codepage=1386
- db2 create db <dbname> using codeset gbk territory CN collate using identity
- db2 "connect to <dbname>"
1).删除旧的表空间:
- db2 drop tablespace tablespace1, tablespace2, tablespace3
- db2 create bufferpool bp32k all nodes size -1 pagesize 32k
32K为页大小;
size=-1表示使用缺省的buffpage,而buffpage可以通过db2 get db cfg|grep -i buff参数查看到;
3).新建表空间:
- db2 "create regular tablespace tablespace1 pagesize 32k managed by database using(file '/usr/yixiayizi/tablespace1' 5g) bufferpool bp32k"
- db2 "create regular tablespace tablespace2 pagesize 32k managed by database using(file '/usr/yixiayizi/tablespace2' 10g) bufferpool bp32k"
- db2 "create regular tablespace tablespace3 pagesize 32k managed by database using(file '/usr/yixiayizi/tablespace3' 2g) bufferpool bp32k"
第一个参数:
当指向外置盘时,file改为device;
当指向文件路径时,为file;
第二个参数:需要是绝对路径;
第三个参数:该表空间的大小;
关于表空间和缓冲池的说明见如下网页:
http://www.ibm.com/developerworks/cn/data/library/techarticles/0212wieser/0212wieser.html
5.调整表空间大小:
- ALTER TABLESPACE <tablespace1> RESIZE ( FILE '/cstp/usr/db2ad/db2ad/ <tablespace1>' 5g )
- db2 alter bufferpool bp32k size 2g
远程客户端的配置网络:
1.db2ad账户下:
1). 首先查看/etc/services中db2各个服务的端口号:
more /etc/services
可以看到如下信息:
DB2_db2ad 60040/tcp
DB2_db2ad_1 60041/tcp
DB2_db2ad_2 60042/tcp
DB2_db2ad_END 60043/tcp
2).
- db2 update dbm cfg using SVCENAME DB2_db2ad
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2.db2db账户下:
1).
- db2 catalog tcpip node <node_name> remote 172.17.252.214 server 60040
2).db2 list node directory可以看到如下信息:
Node Directory
Number of entries in the directory = 1
Node 1 entry:
Node name = <node_name>
Comment =
Directory entry type = LOCAL
Protocol = TCPIP
Hostname = 172.17.252.214
Service name = 60040
3).
- db2 catalog db <dbname> at node <node_name>
4).db2 list db directory可以看到如下信息:
System Database Directory
Number of entries in the directory = 1
Database 1 entry:
Database alias = <dbname>
Database name = <dbname>
Node name = <node_name>
Database release level = c.00
Comment =
Directory entry type = Remote
Catalog database partition number = -1
Alternate server hostname =
Alternate server port number =
--编目系统数据库目录
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授权:
在db2ad账户下,给db2db授权使用表空间:
- db2 "grant use of tablespace <tablespace1> to user db2db"
- db2 "grant use of tablespace <tablespace2> to user db2db"
- db2 "grant use of tablespace <tablespace3> to user db2db"
切换到db2db用户,执行建表的sql语句:
db2 -vf tmp.sql