Since the node is still alive, PowerHA takeover can cause both nodes to have the same IP address, and can cause the nodes to both try to own and access the Shareddisks.
When DB2 pulls data from disks, it places the data in a DB2 Shared memory area.
当d B2从磁盘取数据时,它将数据放在一个DB2共享内存区域中。
3
The setup consists of a pair of clustered servers (ha1 and ha2), both of which have access to a Shared disk enclosure containing multiple physical disks; the servers are in cold standby mode.