Monthly Archives: July 2013

AIX PVID能不能用作ASM磁盘

好几次遇到这个问题,这次又遇到,就在这里总结一下,供大家参考。 在AIX系统中,给磁盘分配PVID以后,如果这些磁盘被用作Oracle ASM Diskgroup,那么当系统重启后可能导致ASM磁盘被破坏,数据丢失。导致这个问题的原因很简单: When the PVID is set to a disk in a volume group, the PVID is stored in two locations. In Physical disk header ( within first 4K )and in AIX’s system object database, called ODM ( … Continue reading

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