今天在测试环境上出现数据库锁死的情况，不能正常通过shutdown immediate 关掉数据库，所以我就是用ps -fu Oracle|grep ecds|awk '{print $2}'|xargs kill -9强制删除了所有的oracle的进程。现在我进入sqlplus进去启动数据库的时候说数据库再运行。于是就执行shutdown immediate进行关数据库，报如下错误：
WH7620_2:/home/db/oracle/OraHome_1/dbs/> sqlplus / as sysdba
SQL*Plus: Release 10.2.0.5.0 - Production on Mon May 20 15:35:50 2013
Copyright (c) 1982, 2010, Oracle. All Rights Reserved.
Connected.
SQL> shutdown immediate
ORA-24324: service handle not initialized
ORA-24323: value not allowed
ORA-00020: maximum number of processes (%s) exceeded
SQL> quit
Disconnected
解决方案：查看共享内存资源
WH7620_2:/home/db/oracle/OraHome_1/dbs/> ipcs -pmb
IPC status from /dev/kmem as of Mon May 20 15:36:28 2013
T ID KEY MODE OWNER GROUP SEGSZ CPID LPID
Shared Memory:
m 0 0x411c01a9 --rw-rw-rw- root root 348 940 940
m 1 0x4e0c0002 --rw-rw-rw- root root 61760 940 4759
m 2 0x41200d18 --rw-rw-rw- root root 8192 940 942
m 163843 0x00a5c581 --rw------- sfmdb users 10469376 23673 23677
m 4 0x411c10cf --rw------- root root 4096 1982 2645
m 2392069 0x00000000 --rw-r----- oracle dba 16777216 4212 5423
m 425990 0x01200ce2 --rw-rw-r-- root root 4192 5398 5398
m 65543 0x06347849 --rw-rw-rw- root sys 65544 5460 685
m 8 0x4918b212 --rw-r--r-- root root 22912 2196 8298
m 65545 0x00000000 --rw-r----- oracle dba 1073741824 4212 5423
m 10 0xa90c0292 ----------- root root 1 2463 2464
m 1409035 0xbea746bc --rw-r----- oracle dba 553656320 4212 5423
m 12 0x01200cea --rw-rw-r-- root root 4192 2510 2510
m 13 0x01200c44 --rw-rw-r-- root root 4192 2512 2512
m 14 0x01200cfa --rw-rw-r-- root root 4192 2516 2555
m 65551 0x01200d1a --rw-rw-r-- root root 4192 2601 2601
m 163864 0x0001e240 --rw-rw-rw- tuxedo tuxedo 442976 24529 24677
m 131102 0x01108f85 --rw-rw-rw- csspkm csspkm 47532 20662 10148
m 360482 0x01108129 --rw-rw-rw- nettrack informix 50432104 4371 4379
m 229411 0x01100d01 --rw-rw-rw- nettrack informix 262272104 4371 4385
m 229412 0x01107934 --rw-rw-rw- nettrack informix 51584104 4371 4382
m 393253 0x52614806 --rw-rw---- informix informix 8388608 29904 18132
m 524326 0x01108133 --rw-rw-rw- nettrack informix 1360000 4371 4371
m 524327 0x0110812b --rw-rw-rw- nettrack informix 1520000 4371 4371
m 524328 0x01107602 --rw-rw-rw- nettrack informix 3360000 4371 4371
m 41 0x52614801 --rw-rw---- root informix 119341056 29904 18132
m 42 0x52614802 --rw-rw---- root informix 33439744 29904 18132
m 43 0x52614803 --rw-rw-rw- root informix 561152 29904 4234
m 44 0x52614804 --rw-rw---- informix informix 8388608 29904 18132
m 458797 0x011009ee --rw-rw-rw- nettrack informix 3360000 4371 4371
m 458798 0x01100b02 --rw-rw-rw- nettrack informix 3360000 4371 4371
m 458799 0x0110793f --rw-rw-rw- nettrack informix 50432104 4375 4379
m 458800 0x01108136 --rw-rw-rw- nettrack informix 1360000 4375 4375
m 458801 0x0110812f --rw-rw-rw- nettrack informix 1520000 4375 4375
m 458802 0x01108138 --rw-rw-rw- nettrack informix 3360000 4375 4375
m 458803 0x0110813a --rw-rw-rw- nettrack informix 3360000 4375 4375
m 458804 0x01108148 --rw-rw-rw- nettrack informix 3360000 4375 4375
m 458805 0x01100da0 --rw-rw-rw- nettrack informix 304128052 4391 4385
m 458806 0x01100a81 --rw-rw-rw- nettrack informix 190080052 4397 4385
m 458807 0x01100dbe --rw-rw-rw- nettrack informix 190080052 4421 4385
m 458808 0x01100db1 --rw-rw-rw- nettrack informix 190080052 4412 4418
m 458809 0x01100df0 --rw-rw-rw- nettrack informix 190080052 4447 4385
m 458810 0x01100de9 --rw-rw-rw- nettrack informix 190080052 4441 4385
m 458811 0x01100db9 --rw-rw-rw- nettrack informix 95040052 4432 4427
m 458812 0x01100e12 --rw-rw-rw- nettrack informix 190080052 4453 4456
m 458813 0x01100ecf --rw-rw-rw- nettrack informix 95040052 4486 4489
m 458814 0x01100ecd --rw-rw-rw- nettrack informix 95040052 4480 4483
m 458815 0x01100e14 --rw-rw-rw- nettrack informix 190080052 4385 4465
m 458816 0x01100eca --rw-rw-rw- nettrack informix 95040052 4385 4477
m 458817 0x01100ed1 --rw-rw-rw- nettrack informix 190080052 4385 4495
m 458818 0x01100ed6 --rw-rw-rw- nettrack informix 190080052 4385 4504
m 458819 0x01100ed8 --rw-rw-rw- nettrack informix 190080052 4385 4522
m 458820 0x01100eda --rw-rw-rw- nettrack informix 95040052 4385 4531
m 458821 0x01100ee1 --rw-rw-rw- nettrack informix 190080052 4385 4543
m 458822 0x01100ee3 --rw-rw-rw- nettrack informix 190080052 4385 4540
m 73 0x52614805 --rw-rw---- informix informix 8388608 29904 18132
m 65615 0x0c6629c9 --rw-r----- root dba 17869240 685 8298
发现有三个oracle资源在占用，所以必须进行资源释放，执行如下操作：
WH7620_2:/home/db/oracle/OraHome_1/dbs/>
WH7620_2:/home/db/oracle/OraHome_1/dbs/> ipcrm -m 2392069
WH7620_2:/home/db/oracle/OraHome_1/dbs/> ipcrm -m 65545
WH7620_2:/home/db/oracle/OraHome_1/dbs/> ipcrm -m 1409035