Oracle 11gR1 RAC安裝過程中遇到的問題：網路卡的裝置名

（1）第二個虛擬機器第一次啟動後網路裝置名改變的問題：

第二個虛擬機器第一次啟動後，檢查網路裝置，發現名稱不是RAC1機的eth0和eth1，而變為了eth2和eth3。檢查發現在/etc/udev/rules.d/70-persistent-net.rules檔案中，名稱為eth0和eth1的對應了原RAC1機的MAC地址，多出了名稱為eth2和eth3的幾行，對應的MAC地址正是RAC2機的現在的網路卡的MAC，修改eth0和eth1的地址為新MAC地址，並刪除eth2和eth3的行，重啟系統後，名稱恢復正常。

# This file was automatically generated by the /lib/udev/write_net_rules

# program, run by the persistent-net-generator.rules rules file.

#

# You can modify it, as long as you keep each rule on a single

# line, and change only the value of the NAME= key.

# PCI device 0x1022:0x2000 (pcnet32)

SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:50:56:8e:56:86", ATTR{type}=="1", KERNEL=="eth*", NAME="eth1"

# PCI device 0x1022:0x2000 (pcnet32)

SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:50:56:8e:56:85", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0"

SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:50:56:8e:56:98", ATTR{type}=="1", KERNEL=="eth*", NAME="eth3"

SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:50:56:8e:56:97", ATTR{type}=="1", KERNEL=="eth*", NAME="eth2"

修改為：

# This file was automatically generated by the /lib/udev/write_net_rules

# program, run by the persistent-net-generator.rules rules file.

#

# You can modify it, as long as you keep each rule on a single

# line, and change only the value of the NAME= key.

# PCI device 0x1022:0x2000 (pcnet32)

SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:50:56:8e:56:98", ATTR{type}=="1", KERNEL=="eth*", NAME="eth1"

# PCI device 0x1022:0x2000 (pcnet32)

SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:50:56:8e:56:97", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0"