AIX主机上运行的ORACLE数据库,多路径软件用的AIX自带的,没有用powerapth,现在经常报DISK OPERATION ERROR ,每次报这个错误的时候,数据库就会无法读写挂起状态,查看主机监控发现所有存储盘的读写流量瞬间降低为0,主机和存储人员检查光纤交换机上无报错;出现问题比较常见,有时候是晚上备份的时候,有时候是数据库添加一个50M的datafile都会在AIX主机层面报这样的错误。
[root@xxxxxx: /]#errpt|more
IDENTIFIER TIMESTAMP T C RESOURCE_NAME DESCRIPTION
DCB47997 0430170924 T H hdisk31 DISK OPERATION ERROR
DCB47997 0430170924 T H hdisk31 DISK OPERATION ERROR
DCB47997 0430170924 T H hdisk25 DISK OPERATION ERROR
DCB47997 0430170924 T H hdisk31 DISK OPERATION ERROR
DCB47997 0430170924 T H hdisk3 DISK OPERATION ERROR
DCB47997 0430170924 T H hdisk27 DISK OPERATION ERROR
DCB47997 0430170924 T H hdisk32 DISK OPERATION ERROR
DCB47997 0430170924 T H hdisk25 DISK OPERATION ERROR
DCB47997 0430170924 T H hdisk31 DISK OPERATION ERROR
DCB47997 0430170924 T H hdisk3 DISK OPERATION ERROR
DCB47997 0430170924 T H hdisk26 DISK OPERATION ERROR
DCB47997 0430170924 T H hdisk27 DISK OPERATION ERROR
DCB47997 0430170924 T H hdisk32 DISK OPERATION ERROR
DCB47997 0430170924 T H hdisk4 DISK OPERATION ERROR
DCB47997 0430170924 T H hdisk25 DISK OPERATION ERROR
DCB47997 0430170924 T H hdisk31 DISK OPERATION ERROR
DCB47997 0430170924 T H hdisk26 DISK OPERATION ERROR
DCB47997 0430170924 T H hdisk3 DISK OPERATION ERROR
DCB47997 0430170924 T H hdisk24 DISK OPERATION ERROR
DCB47997 0430170924 T H hdisk32 DISK OPERATION ERROR
DCB47997 0430170924 T H hdisk4 DISK OPERATION ERROR
根据您提供的信息,这个问题可能是由于磁盘故障或者存储系统故障引起的。建议您采取以下步骤进行排查:
如果以上步骤都没有解决问题,建议联系AIX、Oracle、emc存储的技术支持团队,进行更深入的排查。