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ORA-01653 unable to extend table TSSA.PROFESSOR_TABLE by 8192 in tablespace TSSAPUB

2010-07-19 10:14 337 查看
昨天出差刚回来,趁着周末有时间烧饭,刚开火一个电话来了 说现场数据库有问题,不敢怠慢,经查看如题错误。

原来一个表空间无法扩展了。表空间如下:

CREATE TABLESPACE "TSSAPUB" LOGGING DATAFILE '/u01/app/oracle/oradata/sxtsioms/TSSAPUB.dbf' SIZE 500M
REUSE AUTOEXTEND ON NEXT 1280K MAXSIZE UNLIMITED EXTENT MANAGEMENT LOCAL SEGMENT SPACE MANAGEMENT AUTO ;

解决:

alter tablespace TSSAPUB add datafile '/oradata/sxtsiomsdbf/TSSAPUBADD2.dbf' size 512M;

alter database datafile '/oradata/sxtsiomsdbf/TSSAPUBADD2.dbf' autoextend on next 1024K maxsize unlimited;

说明:

虽然是可扩展的,而且是UNLIMITED 但 最大还是受到了os限制。

SELECT UPPER(F.TABLESPACE_NAME) "表空间名",
D.TOT_GROOTTE_MB "表空间大小(M)",
D.TOT_GROOTTE_MB - F.TOTAL_BYTES "已使用空间(M)",
TO_CHAR(ROUND((D.TOT_GROOTTE_MB - F.TOTAL_BYTES) / D.TOT_GROOTTE_MB * 100,2),'990.99') "使用比",
F.TOTAL_BYTES "空闲空间(M)",
F.MAX_BYTES "最大块(M)"
FROM (SELECT TABLESPACE_NAME,
ROUND(SUM(BYTES) / (1024 * 1024), 2) TOTAL_BYTES,
ROUND(MAX(BYTES) / (1024 * 1024), 2) MAX_BYTES
FROM SYS.DBA_FREE_SPACE
GROUP BY TABLESPACE_NAME) F,
(SELECT DD.TABLESPACE_NAME,
ROUND(SUM(DD.BYTES) / (1024 * 1024), 2) TOT_GROOTTE_MB
FROM SYS.DBA_DATA_FILES DD
GROUP BY DD.TABLESPACE_NAME) D
WHERE D.TABLESPACE_NAME = F.TABLESPACE_NAME
ORDER BY 4 DESC;

--check autoextensible
SELECT T.TABLESPACE_NAME,D.FILE_NAME,
D.AUTOEXTENSIBLE,D.BYTES,D.MAXBYTES,D.STATUS
FROM DBA_TABLESPACES T,DBA_DATA_FILES D
WHERE T.TABLESPACE_NAME =D.TABLESPACE_NAME
ORDER BY TABLESPACE_NAME,FILE_NAME;

发现MAXBYTES为34359721984,而其中一个数据文件已经接近于这个值。
原来我们的ORACLE db_block_size = 8192
我们的AIX中已经设置了fsize=-1 (/etc/secrucity/limits)
It is not an OS limitation.
It is an Oracle limitation.
Using 8k block size the maximum file size is 32G.

(2^22-1)*8192=34359730176
(2^22-1)*8192/1024/1024/1024= 31.99999237G

SQL> alter database datafile '/u02/oradata/PROD/app_data.dbf' resize 40960M;
alter database datafile '/u02/oradata/PROD/app_data.dbf' resize 40960M
*
ERROR at line 1:
ORA-01144: File size (5242880 blocks) exceeds maximum of 4194303 blocks

action:

alter tablespace TABLE_SPACE add datafile '/u02/oradata/PROD/app_data1.dbf' size 500M;

alter datafile '/u02/oradata/PROD/app_data1.dbf' autoextend on next 10240K maxsize unlimited;
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