How to deal with 100% of Oracle users

1. 79Adump
2. 4717Bdump
3. 2572945Cdump
4. 0Dpdump
5. 0Pfile
6. 22310Scripts
7. 32879Udump

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Appendix:
Recently, the company took a case and found that the following error was reported by bdump during Standby. After multiple verifications, it was determined that the/etc/hosts hostname and IP address were inconsistent and changed to the correct one, restart the database and the following error will not appear again.

Make a record to prevent you from forgetting

1. Wed Oct05 20:00:43CST2011
2. Found dead dispatcher'D000', Pid = (18,45)
3. Wed Oct05 20:00:43CST2011
4. Dispatcher'D000'Encountered error getting listening address
5. Wed Oct05 20:00:43CST2011
6. Errors in file/u01/app/Oracle/admin/sfisdb/bdump/sfisdb_ora_3257.trc:
7. ORA-07445: Exception encountered: core dump [kslgetl () +120] [SIGSEGV] [Address not mapped to object] [Zero x 000000210] [] []
8. ORA-00108: Failed to set up dispatcher to accept connection asynchronously
9. Wed Oct05 20:00:46CST2011
10. Found dead dispatcher'D000', Pid = (18,46)
11. Wed Oct05 20:00:47CST2011
12. Dispatcher'D000'Encountered error getting listening address

Solution:

1. DJTSITECDB
2. DJTSITECDB [/etc] # ll nss *
3. -R --1Bin579Jan62009Nsswitch. compat
4. -Rw-r --1Root sys17Feb25 22:50Nsswitch. conf
5. -R --1Bin382Jan62009Nsswitch. files
6. -R --1Bin628Jan62009Nsswitch. hp_defaults
7. -R --1Bin564Jan62009Nsswitch. nis

Add a configuration file:

1. DJTSITECDB [/etc] # cat nsswitch. conf
2. Hosts: files dns

Ping the host

1. DJTSITECDB [/etc] # ping DJTSITECDB
2. Ping djtsitecdb:64 BytePackets
3. 64Bytes from172.19.67.2: Icmp_seq =0. Time =0MS
4. 64Bytes from172.19.67.2: Icmp_seq =1. Time =0MS
5. 64Bytes from172.19.67.2: Icmp_seq =2. Time =0MS

Stop the listener again
Stop data
Start Database
Start listening

1. /Dev/vg00/lvw.lelog
2. 13107217541212431%/Oraclelog
3. /Dev/vg00/lvoracle7340032 4773485 240647866%/Oracle
4. /Dev/vg00/lvnetapp1048576560809305276%/Netapp