ipc -a hwcprod ipcrm -m semaphore번호 ipcrm -s shared번호
1. 사용중인 세마포어 확인 및 할당된 세마포어 해제 현재 시스템에 할당된 세마포어를 확인하는 명령은 다음과 같다. #ipcs -sb 이 명령은 할당된 모든 세마포어 집합과 ID Number, Owner, 각 집합의 세마포어 수 등을 보여준다. 때때로 비정상적으로 종료된 오라클 프로세스에 의해서 점유된 리소스가 릴리스 되지 않고 남아 있는 경우가 있다. 만약, 오라클이 Shutdown 상태인데도 불구하고 ipcs -sb 를 통해서 보았을 때 오라클이 점유한 세마포어가 사용중으로 나온다면 그것들을 IPCRM명령으로 Free 시켜야 한다.
# ipcs -sb IPC status from /dev/kmem as of Thu Apr 25 09:45:51 2002 T ID KEY MODE OWNER GROUP NSEMS Semaphores: s 0 0x411c5933 –ra-ra-ra- root root 1 s 1 0x4e0c0002 –ra-ra-ra- root root 2 s 2 0x4120248b –ra-ra-ra- root root 2 s 97027 0x00446f6e –ra-r–r– root sys 1 s 97028 0x00446f6d –ra-r–r– root sys 1 s 5 0x01090522 –ra-r–r– root root 1 s 6 0x411c8308 –ra-ra-ra- root root 1 s 7 0x311c0894 –ra-ra-ra- root root 1 s 8 0x3c9ed772 –ra-ra-ra- root root 1 s 9 0x3c9ed773 –ra-ra-ra- root root 1 s 10 0x61202674 –ra-ra-ra- root root 1 s 11 0x73202674 –ra-ra-ra- root root 1 s 12 0x70202674 –ra-ra-ra- root root 1 s 13 0x69202674 –ra-ra-ra- root root 1 s 14 0x75202674 –ra-ra-ra- root root 1 s 15 0x63202674 –ra-ra-ra- root root 1 s 16 0x64202674 –ra-ra-ra- root root 1 s 17 0x66202674 –ra-ra-ra- root root 1 s 18 0x6c202674 –ra-ra-ra- root root 1 s 19 0x6d202674 –ra-ra-ra- root root 1 s 20 0x6f202674 –ra-ra-ra- root root 1 s 21 0xffffffff –ra-r–r– root root 1 s 22 0x410c03be –ra-ra-ra- root root 1 s 2837975 0x00000000 –ra-ra-ra- root sys 1 s 24 0x52202674 –ra-ra-ra- root root 1 s 25 0x3c9ed814 –ra-ra-ra- root root 1 s 26 0x3c9ed815 –ra-ra-ra- root root 1 s11194171 0x58b19898 –ra-r—– orapabm dba 204 s 1516028 0x00021200 –ra-ra-ra- oradis dba 3 s 206205 0x73280004 –ra-ra-ra- root sys 1 s 30 0x4c280004 –ra——- root sys 1 s 31 0x49280004 –ra——- root sys 1 s12273568 0x00000000 –ra-ra-ra- root sys 1 s 5142305 0x00000000 –ra-ra-ra- root sys 1 s20278050 0xce99d9b8 –ra-ra—- oradds dba 154
# ipcs IPC status from /dev/kmem as of Wed Apr 24 16:55:51 2002 T ID KEY MODE OWNER GROUP Message Queues: q 0 0x3c1c595c -Rrw–w–w- root root q 1 0x3e1c595c –rw-r–r– root root Shared Memory: m 0 0x411c5933 –rw-rw-rw- root root m 1 0x4e0c0002 –rw-rw-rw- root root m 2 0x4120248b –rw-rw-rw- root root m 3 0x301c0894 –rw-rw-rw- root root m 6148 0x0c6629c9 –rw-r—– root root m 5 0x06347849 –rw-rw-rw- root root m 1030 0xffffffff –rw-r–rw- root root m 2055 0x00000000 D-rw——- root root m 1032 0x00000000 D-rw——- www other m 31753 0x00000000 –rw-rw-rw- root sys m 288778 0x0577b3ac –rw-r—– orapabm dba m 1036 0x33280167 –rw——- root sys m 13 0x6d280004 –rw-rw-rw- root sys m 78862 0x501c3637 –r–r–r– bin bin m 8207 0x00000000 D-rw——- nobody nogroup m 44048 0x00000000 –rw-rw-rw- root sys m 199697 0x00000000 D-rw——- oradis dba m 15378 0x00000000 –rw-rw-rw- root sys m 113683 0x00000000 D-rw——- orapabm dba m 2068 0xe1221784 –rw-rw—- oradds dba Semaphores: s 0 0x411c5933 –ra-ra-ra- root root s 1 0x4e0c0002 –ra-ra-ra- root root s 2 0x4120248b –ra-ra-ra- root root s 97027 0x00446f6e –ra-r–r– root sys s 97028 0x00446f6d –ra-r–r– root sys s 5 0x01090522 –ra-r–r– root root s 6 0x411c8308 –ra-ra-ra- root root s 7 0x311c0894 –ra-ra-ra- root root s 8 0x3c9ed772 –ra-ra-ra- root root s 9 0x3c9ed773 –ra-ra-ra- root root s 10 0x61202674 –ra-ra-ra- root root s 11 0x73202674 –ra-ra-ra- root root s 12 0x70202674 –ra-ra-ra- root root s 13 0x69202674 –ra-ra-ra- root root s 14 0x75202674 –ra-ra-ra- root root s 15 0x63202674 –ra-ra-ra- root root s 16 0x64202674 –ra-ra-ra- root root s 17 0x66202674 –ra-ra-ra- root root s 18 0x6c202674 –ra-ra-ra- root root s 19 0x6d202674 –ra-ra-ra- root root s 20 0x6f202674 –ra-ra-ra- root root s 21 0xffffffff –ra-r–r– root root s 22 0x410c03be –ra-ra-ra- root root s 2837975 0x00000000 –ra-ra-ra- root sys s 24 0x52202674 –ra-ra-ra- root root s 25 0x3c9ed814 –ra-ra-ra- root root s 26 0x3c9ed815 –ra-ra-ra- root root s10672667 0x58b19898 –ra-r—– orapabm dba s 1516028 0x00021200 –ra-ra-ra- oradis dba s 206205 0x73280004 –ra-ra-ra- root sys s 30 0x4c280004 –ra——- root sys s 31 0x49280004 –ra——- root sys s12237184 0x00000000 –ra-ra-ra- root sys s 5142305 0x00000000 –ra-ra-ra- root sys s19853570 0xce99d9b8 –ra-ra—- oradds dba
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