主机硬件问题导致rac节点重启

昨晚，rac节点重启，虽未影响应用，但需查明原因

1，查看数据库日志alert.log，显示数据库直接重启，重启之前没有任何日志

2012-11-11 22:27:08.548[ohasd(19651)]CRS-2112:The OLR service started on node dtydb5.2012-11-11 22:27:08.620[ohasd(19651)]CRS-1301:Oracle High Availability Service started on node dtydb5.2012-11-11 22:27:08.647[ohasd(19651)]CRS-8017:location: /etc/oracle/lastgasp has 2 reboot advisory log files, 0 were announced and 0 errors occurred2012-11-11 22:27:10.481[/oracle/11.2.0/grid/bin/oraagent.bin(20785)]CRS-5815:Agent '/oracle/11.2.0/grid/bin/oraagent_grid' could not find any base type entry points for type 'ora.daemon.type'. Details at (:CRSAGF00108:) {0:2:2} in /oracle/11.2.0/grid/log/dtydb5/agent/ohasd/oraagent_grid/oraagent_grid.log.2012-11-11 22:27:10.592[/oracle/11.2.0/grid/bin/oraagent.bin(20785)]CRS-5011:Check of resource "+ASM" failed: details at "(:CLSN00006:)" in "/oracle/11.2.0/grid/log/dtydb5/agent/ohasd/oraagent_grid/oraagent_grid.log"2012-11-11 22:27:11.4962012-11-11 22:27:11.496[/oracle/11.2.0/grid/bin/orarootagent.bin(20781)]CRS-5016:Process "/oracle/11.2.0/grid/bin/acfsload" spawned by agent "/oracle/11.2.0/grid/bin/orarootagent.bin" for action "check" failed: details at "(:CLSN00010:)" in "/oracle/11.2.0/grid/log/dtydb5/agent/ohasd/orarootagent_root/orarootagent_root.log"2012-11-11 22:27:26.622[/oracle/11.2.0/grid/bin/oraagent.bin(20912)]CRS-5815:Agent '/oracle/11.2.0/grid/bin/oraagent_grid' could not find any base type entry points for type 'ora.daemon.type'. Details at (:CRSAGF00108:) {0:5:2} in /oracle/11.2.0/grid/log/dtydb5/agent/ohasd/oraagent_grid/oraagent_grid.log.2012-11-11 22:27:29.974[gpnpd(20934)]CRS-2328:GPNPD started on node dtydb5.

4，系统方面无问题，只能看看服务器硬件方面了

登录web登录服务器的管理口，方面如下内容，问题基本可以确定了，硬件报错CPU 4:Cache error occurred.，这个问题只能硬件工程师来了

E 30 11/11/2012 22:19:21 OEM Event OEM Event CPU 4:Cache error occurred.