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标签归档:ORA-27092
linux资源限制导致数据库异常
一起由于liunx系统资源限制导致数据库无法启动案例分享
数据库启动报ORA-01157错
SQL> startup ORACLE instance started. Total System Global Area 3340451840 bytes Fixed Size 2217952 bytes Variable Size 1862273056 bytes Database Buffers 1459617792 bytes Redo Buffers 16343040 bytes Database mounted. ORA-01157: cannot identify/lock data file 5 - see DBWR trace file ORA-01110: data file 5: '/home/oracle/oradata/XIFENFEI.dbf'
该错误一般是由于文件丢失或者路径错误导致
alert日志显示
Sun Apr 07 20:57:03 2019 ALTER DATABASE OPEN Sun Apr 07 20:57:03 2019 Errors in file /dbdata/oracle/diag/rdbms/orcl/orcl/trace/orcl_dbw0_2681.trc: ORA-01157: cannot identify/lock data file 5 - see DBWR trace file ORA-01110: data file 5: '/home/oracle/oradata/XIFENFEI.dbf' ORA-27092: size of file exceeds file size limit of the process Additional information: 262144 Additional information: 262145 Errors in file /dbdata/oracle/diag/rdbms/orcl/orcl/trace/orcl_ora_2802.trc: ORA-01157: cannot identify/lock data file 5 - see DBWR trace file ORA-01110: data file 5: '/home/oracle/oradata/XIFENFEI.dbf' ORA-1157 signalled during: ALTER DATABASE OPEN... Sun Apr 07 20:57:04 2019 Errors in file /dbdata/oracle/diag/rdbms/orcl/orcl/trace/orcl_m000_2804.trc (incident=38578): ORA-00600: internal error code, arguments: [kcidr_io_check_common_6], [10], [/home/oracle/oradata/XIFENFEI.dbf], [8192], [2], [5], [], [], [], [], [], [] ORA-27092: size of file exceeds file size limit of the process
这里看到提示ORA-27092: size of file exceeds file size limit of the process
查看系统limit配置
[oracle@XFF ~]$ ulimit -a core file size (blocks, -c) unlimited data seg size (kbytes, -d) 640000 scheduling priority (-e) 0 file size (blocks, -f) 2097152 pending signals (-i) 128489 max locked memory (kbytes, -l) unlimited max memory size (kbytes, -m) unlimited open files (-n) 131072 pipe size (512 bytes, -p) 8 POSIX message queues (bytes, -q) 819200 real-time priority (-r) 0 stack size (kbytes, -s) 10240 cpu time (seconds, -t) unlimited max user processes (-u) 131072 virtual memory (kbytes, -v) unlimited file locks (-x) unlimited
一般操作系统block size为1k,这里限制文件大小为2097152=(2G)
查看文件
[oracle@XFF ~]$ ls -l /home/oracle/oradata/XIFENFEI.dbf -rw-r-----. 1 oracle oinstall 2147491840 Apr 7 19:04 /home/oracle/oradata/XIFENFEI.dbf
文件大小为2097160>2097152,导致异常
设置系统对文件大小限制2097152kb
[root@XFF ~]# ulimit -f 102400000 [root@XFF ~]# su - oracle [oracle@XFF ~]$ ulimit -a core file size (blocks, -c) unlimited data seg size (kbytes, -d) 640000 scheduling priority (-e) 0 file size (blocks, -f) 102400000 pending signals (-i) 128489 max locked memory (kbytes, -l) unlimited max memory size (kbytes, -m) unlimited open files (-n) 131072 pipe size (512 bytes, -p) 8 POSIX message queues (bytes, -q) 819200 real-time priority (-r) 0 stack size (kbytes, -s) 10240 cpu time (seconds, -t) unlimited max user processes (-u) 131072 virtual memory (kbytes, -v) unlimited file locks (-x) unlimited
重启数据库,open成功
SQL> shutdown immediate; ORA-01109: database not open Database dismounted. ORACLE instance shut down. SQL> startup ORACLE instance started. Total System Global Area 3340451840 bytes Fixed Size 2217952 bytes Variable Size 1862273056 bytes Database Buffers 1459617792 bytes Redo Buffers 16343040 bytes Database mounted. Database opened.