网卡mtu值不同导致rac2节点ASM不能同时启动ORA-27550:TargetIDprotocolcheckfailed. - 数据库编程

使用设备属性 jumbo_frames=yes 来启用巨大的帧（仅设接口上的 MTU 值为 9000 是不够的）。

如果是使用了网卡聚合，可能需要拆掉，在调整各网卡的mtu后在重新聚合，否则可能会碰到以下问题：
# chdev -l en12 -a mtu=9000
Method error (/usr/lib/methods/chgif):
0514-068 Cause not known.
0821-532 ioctl (SIOCSIFMTU): A return value of a math subroutine is not within machine precision.
0821-103 : The command /usr/sbin/ifconfig en12 inet 10.0.0.2 arp netmask 255.255.255.0 mtu 9000 up failed.

0821-007 cfgif: ifconfig command failed.
The status of"en12" Interface in the current running system is uncertain.
0821-103 : The command /usr/lib/methods/cfgif -len12 failed.
0821-532 ioctl (SIOCSIFMTU): A return value of a math subroutine is not within machine precision.
0821-103 : The command /usr/sbin/ifconfig en12 inet 10.0.0.2 arp netmask 255.255.255.0 mtu 9000 up failed.
0821-229 chgif: ifconfig command failed.
The status of"en12" Interface in the current running system is uncertain

网卡mtu值不同导致rac2节点ASM不能同时启动ORA-27550:TargetIDprotocolcheckfailed.(二)