oracle rac 实例重启 请大家帮忙看看

两台M5000 配置的oracle rac 集群，集群软件是oracle自己的clusterware，没有使用第三方的集群工具,oracle 10.2.0.4 +asm.
oracle 实例2 不定期重启，alter看到的报错信息如下：
IPC Send timeout detected. Receiver ospid 432
Wed Feb  2 16:14:42 2011
Errors in file /app/oracle/admin/mlcprcdb/bdump/mlcprcdb1_lms4_432.trc:
Wed Feb  2 16:14:43 2011
Waiting for clusterware split-brain resolution
Wed Feb  2 16:14:43 2011
Trace dumping is performing id=[cdmp_20110202161443]
Wed Feb  2 16:24:43 2011
Evicting instance 2 from cluster
Wed Feb  2 16:25:09 2011
Reconfiguration started (old inc 10, new inc 14)

在ofs1上ping ofs2私有网络ip时有如下报错
64 bytes from ofs00mlcprc02-priv (192.168.2.20): icmp_seq=5818. time=0.311 ms
ICMP Port Unreachable from gateway ofs00mlcprc02-priv (192.168.2.20)
for udp from ofs00mlcprc01-priv (192.168.2.10) to ofs00mlcprc02-priv (192.168.2.20) port 50855
ICMP Port Unreachable from gateway ofs00mlcprc02-priv (192.168.2.20)
for udp from ofs00mlcprc01-priv (192.168.2.10) to ofs00mlcprc02-priv (192.168.2.20) port 50862
ICMP Port Unreachable from gateway ofs00mlcprc02-priv (192.168.2.20)
for udp from ofs00mlcprc01-priv (192.168.2.10) to ofs00mlcprc02-priv (192.168.2.20) port 50871
ICMP Port Unreachable from gateway ofs00mlcprc02-priv (192.168.2.20)
for udp from ofs00mlcprc01-priv (192.168.2.10) to ofs00mlcprc02-priv (192.168.2.20) port 50868
ICMP Port Unreachable from gateway ofs00mlcprc02-priv (192.168.2.20)
for udp from ofs00mlcprc01-priv (192.168.2.10) to ofs00mlcprc02-priv (192.168.2.20) port 50861
ICMP Port Unreachable from gateway ofs00mlcprc02-priv (192.168.2.20)
for udp from ofs00mlcprc01-priv (192.168.2.10) to ofs00mlcprc02-priv (192.168.2.20) port 50855
ICMP Port Unreachable from gateway ofs00mlcprc02-priv (192.168.2.20)
for udp from ofs00mlcprc01-priv (192.168.2.10) to ofs00mlcprc02-priv (192.168.2.20) port 50866
ICMP Port Unreachable from gateway ofs00mlcprc02-priv (192.168.2.20)
for udp from ofs00mlcprc01-priv (192.168.2.10) to ofs00mlcprc02-priv (192.168.2.20) port 50869
ICMP Port Unreachable from gateway ofs00mlcprc02-priv (192.168.2.20)
for udp from ofs00mlcprc01-priv (192.168.2.10) to ofs00mlcprc02-priv (192.168.2.20) port 50870
ICMP Port Unreachable from gateway ofs00mlcprc02-priv (192.168.2.20)
for udp from ofs00mlcprc01-priv (192.168.2.10) to ofs00mlcprc02-priv (192.168.2.20) port 50868

在ofs2上pingofs1 私有ip正常。
ofs1 ifconfig 输出
lo0: flags=2001000849<UP,LOOPBACK,RUNNING,MULTICAST,IPv4,VIRTUAL> mtu 8232 index 1
        inet 127.0.0.1 netmask ff000000
bge0: flags=1000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4> mtu 1500 index 2
        inet 10.99.2.10 netmask ffffff00 broadcast 10.99.2.255
        groupname prod-ipmp
bge0:1: flags=1040843<UP,BROADCAST,RUNNING,MULTICAST,DEPRECATED,IPv4> mtu 1500 index 2
        inet 10.99.2.11 netmask ffffff00 broadcast 10.99.2.255
bge1: flags=1000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4> mtu 1500 index 3
        inet 192.168.2.10 netmask ffffff00 broadcast 192.168.2.255
        groupname priv-ipmp
bge2: flags=1000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4> mtu 1500 index 4
        inet 0.0.0.0 netmask ff000000 broadcast 0.255.255.255
        groupname prod-ipmp
bge3: flags=1000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4> mtu 1500 index 5
        inet 0.0.0.0 netmask ff000000 broadcast 0.255.255.255
sppp0: flags=10010008d1<UP,POINTOPOINT,RUNNING,NOARP,MULTICAST,IPv4,FIXEDMTU> mtu 1500 index 6
        inet 192.168.224.2 --> 192.168.224.1 netmask ffffff00

ofs2上ifconfig 输出
lo0: flags=2001000849<UP,LOOPBACK,RUNNING,MULTICAST,IPv4,VIRTUAL> mtu 8232 index 1
        inet 127.0.0.1 netmask ff000000
bge0: flags=1000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4> mtu 1500 index 2
        inet 10.99.2.20 netmask ffffff00 broadcast 10.99.2.255
        groupname prod-ipmp
bge0:1: flags=1040843<UP,BROADCAST,RUNNING,MULTICAST,DEPRECATED,IPv4> mtu 1500 index 2
        inet 10.99.2.21 netmask ffffff00 broadcast 10.99.2.255
bge1: flags=1000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4> mtu 1500 index 3
        inet 192.168.2.20 netmask ffffff00 broadcast 192.168.2.255
        groupname priv-ipmp
bge2: flags=1000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4> mtu 1500 index 4
        inet 0.0.0.0 netmask ff000000 broadcast 0.255.255.255
        groupname prod-ipmp
bge3: flags=1000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4> mtu 1500 index 5
        inet 0.0.0.0 netmask ff000000 broadcast 0.255.255.255
sppp0: flags=10010008d1<UP,POINTOPOINT,RUNNING,NOARP,MULTICAST,IPv4,FIXEDMTU> mtu 1500 index 6
        inet 192.168.224.2 --> 192.168.224.1 netmask ffffff00

没玩过儿rac的路过