This day, it's good.
i've known somebody, that they work same me.
Today Teacher teach Real Application Cluster Architecture and Install Oracle
howerver it helped me for basic.
everybody in class have age older than me.
In class, I think and think, Why I can't mount asm disk.
exactly, I think i must dd all disk
#dd if=/dev/zero of=/dev/emcpowere1 bs=1024