本文解决Oracle RAC环境中ALERT.LOG频繁报告Primary接口Down的问题。这种情况通常由内存不足或操作系统层面的Hyperfabric接口问题引起。解决方案包括检查并增加交换空间及联系OS/集群供应商进行进一步排查。
ALERT.LOG文件中不停的报告如下信息：
查询MetaLink文档：332517.1
Cause
The message is trying to indicate that it was unable to send it's inter-instance communication over the private interconnect.The reason this is not necessarily an error, is because in the absence of the availability of the specified interconnect, inter-instance messages will be sent over the public network interface.In the absence of the availability of the specified interconnect, inter- instance messages will be sent over the public network interface.
Solution
1. Check the swap space when these errors happen, try to increase the swap space.
While making the call to check whether the Primary interface is up or down, we need to allocate memory via malloc. This will fail if we run out of memory.
Or
2. It was most likely an OS error like having a problem with the hyperfabric interface. You might also want to contact the OS/cluster vendor and have them check the cluster.
SSKGXP_IP: Primary interface down
operation ioctl
location sskgxphypr3
系统环境：HP-UX 11.23、Oracle 9.2.0.4 with RAC
operation ioctl
location sskgxphypr3
查询MetaLink文档：332517.1
Cause
The message is trying to indicate that it was unable to send it's inter-instance communication over the private interconnect.The reason this is not necessarily an error, is because in the absence of the availability of the specified interconnect, inter-instance messages will be sent over the public network interface.In the absence of the availability of the specified interconnect, inter- instance messages will be sent over the public network interface.
Solution
1. Check the swap space when these errors happen, try to increase the swap space.
While making the call to check whether the Primary interface is up or down, we need to allocate memory via malloc. This will fail if we run out of memory.
Or
2. It was most likely an OS error like having a problem with the hyperfabric interface. You might also want to contact the OS/cluster vendor and have them check the cluster.
来自 “ ITPUB博客 ” ，链接：http://blog.itpub.net/5359/viewspace-689005/，如需转载，请注明出处，否则将追究法律责任。
转载于:http://blog.itpub.net/5359/viewspace-689005/
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