Varadharajan As this is NON-RAC environment where only ASM instance is running to support single instance. Here is the $ORACLE_HOME/log/hostname/cssd/occsd.log file [ CSSD]2006-11-06 11:16:49.759 [4139776944] >TRACE: clssnmPollingThread: node hostname1 (0) missed(2) checkin(s) [ CSSD]2006-11-06 12:19:58.326 [4139776944] >TRACE: clssnmPollingThread: node hostname1 (0) missed(2) checkin(s) [ CSSD]2006-11-06 12:20:04.342 [4139776944] >TRACE: clssnmPollingThread: node hostname1 (0) missed(2) checkin(s) The system crashed at 12:26 as shown in last|more command oracle pts/1 198.199.175.159 Mon Nov 6 15:14 - down (00:44) oracle pts/0 198.199.175.159 Mon Nov 6 15:06 - down (00:52) reboot system boot 2.6.9-22.ELhugem Mon Nov 6 15:00 (00:58) oracle pts/0 198.199.175.159 Mon Nov 6 12:26 - crash (02:34) So nothing is recorded in ocssd.log file after system crashed Tx Varadharajan V <varads7@xxxxxxxxx> wrote: Could you send the output of cssd.log? On 11/7/06, Sanjay Mishra <smishra_97@xxxxxxxxx> wrote: Varadharajan My tmp is 4G and is currently 2% used Varadharajan V <varads7@xxxxxxxxx> wrote: Sanjay, I too had this problem. But in my case /tmp was 100% full. After clearing /tmp, I was able to access it. Regards Varadharajan On 11/7/06, Sanjay Mishra <smishra_97@xxxxxxxxx > wrote: I am running single instance Oracle instance with ASM and getting few problems RHAT system crashed and when came back, I tried to start ASM instance I got error Connected to an idle instance. SQL> startup ORA-29701: unable to connect to Cluster Manager SQL> exit Disconnected I tried to start it using Superuser Root account $ su Password: # /etc/init.d/init.cssd start Startup will be queued to init within 90 seconds. # -ef|grep css root 6346 6290 0 15:19 pts/1 00:00:00 grep css It is still not back and I even tried init.cssd start/Manualstart Any suggestion as this happen few time and last time I used the following $ORACLE_HOME/bin/localconfig reset /home/oracle/10.2.0 TIA Sanjay --------------------------------- Sponsored Link Get an Online or Campus degree - Associate's, Bachelor's, or Master's - in less than one year. --------------------------------- Cheap Talk? Check out Yahoo! Messenger's low PC-to-Phone call rates. --------------------------------- Cheap Talk? Check out Yahoo! Messenger's low PC-to-Phone call rates.