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[Exadata常规管理] rhel 6.5上安11.2.0.4 rac配置ssh问题

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发表于 2015-1-6 13:08:24 | 查看: 3867| 回复: 2

本帖最后由乌鲁木齐-小小于 2015-1-6 16:16 编辑

node1信息
[root@lxb1 ~]# more /etc/hosts
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1       localhost localhost.localdomain localhost6 localhost6.localdomain6
10.3.21.66    lxb1 lxb1.oracle.com
10.3.21.68    lxb1-vip
10.3.21.56    lxb2 lxb2.oracle.com
10.3.21.57    lxb2-vip
1.1.1.66       lxb1-priv1
1.1.1.67       lxb2-priv2
1.1.1.56       lxb2-priv1
1.1.1.57       lxb2-priv2
10.3.21.60    lxb-cluster    lxb-cluster-scan
[root@lxb1 ~]# ifconfig
bond0    Link encap:Ethernet  HWaddr 00:50:56:84:39:05
      inet addr:10.3.21.66  Bcast:10.255.255.255  Mask:255.0.0.0
      inet6 addr: fe80::250:56ff:fe84:3905/64 Scope:Link
      UP BROADCAST RUNNING MASTER MULTICAST  MTU:1500  Metric:1
      RX packets:1546 errors:0 dropped:0 overruns:0 frame:0
      TX packets:118 errors:0 dropped:0 overruns:0 carrier:0
      collisions:0 txqueuelen:0
      RX bytes:137566 (134.3 KiB)  TX bytes:17231 (16.8 KiB)

eth0    Link encap:Ethernet  HWaddr 00:50:56:84:39:05
      UP BROADCAST RUNNING SLAVE MULTICAST  MTU:1500  Metric:1
      RX packets:771 errors:0 dropped:0 overruns:0 frame:0
      TX packets:118 errors:0 dropped:0 overruns:0 carrier:0
      collisions:0 txqueuelen:1000
      RX bytes:68663 (67.0 KiB)  TX bytes:17231 (16.8 KiB)

eth1    Link encap:Ethernet  HWaddr 00:50:56:84:39:05
      UP BROADCAST RUNNING SLAVE MULTICAST  MTU:1500  Metric:1
      RX packets:775 errors:0 dropped:0 overruns:0 frame:0
      TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
      collisions:0 txqueuelen:1000
      RX bytes:68903 (67.2 KiB)  TX bytes:0 (0.0 b)

eth2    Link encap:Ethernet  HWaddr 00:50:56:84:17:5B
      inet addr:10.3.21.68  Bcast:10.255.255.255  Mask:255.0.0.0
      inet6 addr: fe80::250:56ff:fe84:175b/64 Scope:Link
      UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
      RX packets:650 errors:0 dropped:0 overruns:0 frame:0
      TX packets:12 errors:0 dropped:0 overruns:0 carrier:0
      collisions:0 txqueuelen:1000
      RX bytes:52214 (50.9 KiB)  TX bytes:816 (816.0 b)

eth3    Link encap:Ethernet  HWaddr 00:50:56:84:1E:90
      inet addr:1.1.1.66  Bcast:1.255.255.255  Mask:255.0.0.0
      inet6 addr: fe80::250:56ff:fe84:1e90/64 Scope:Link
      UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
      RX packets:556 errors:0 dropped:0 overruns:0 frame:0
      TX packets:90 errors:0 dropped:0 overruns:0 carrier:0
      collisions:0 txqueuelen:1000
      RX bytes:46574 (45.4 KiB)  TX bytes:4092 (3.9 KiB)

eth4    Link encap:Ethernet  HWaddr 00:50:56:84:24:4B
      inet addr:1.1.1.67  Bcast:1.255.255.255  Mask:255.0.0.0
      inet6 addr: fe80::250:56ff:fe84:244b/64 Scope:Link
      UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
      RX packets:618 errors:0 dropped:0 overruns:0 frame:0
      TX packets:11 errors:0 dropped:0 overruns:0 carrier:0
      collisions:0 txqueuelen:1000
      RX bytes:50294 (49.1 KiB)  TX bytes:746 (746.0 b)

lo       Link encap:Local Loopback
      inet addr:127.0.0.1  Mask:255.0.0.0
      inet6 addr: ::1/128 Scope:Host
      UP LOOPBACK RUNNING  MTU:16436  Metric:1
      RX packets:58 errors:0 dropped:0 overruns:0 frame:0
      TX packets:58 errors:0 dropped:0 overruns:0 carrier:0
      collisions:0 txqueuelen:0
      RX bytes:5008 (4.8 KiB)  TX bytes:5008 (4.8 KiB)

virbr0 Link encap:Ethernet  HWaddr 52:54:00:30:98:71
      inet addr:192.168.122.1  Bcast:192.168.122.255  Mask:255.255.255.0
      UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
      RX packets:0 errors:0 dropped:0 overruns:0 frame:0
      TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
      collisions:0 txqueuelen:0
      RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)

node2信息
[root@lxb2 ~]# more /etc/hosts
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1       localhost localhost.localdomain localhost6 localhost6.localdomain6
10.3.21.66    lxb1 lxb1.oracle.com
10.3.21.68    lxb1-vip
10.3.21.56    lxb2 lxb2.oracle.com
10.3.21.57    lxb2-vip
1.1.1.66       lxb1-priv1
1.1.1.67       lxb2-priv2
1.1.1.56       lxb2-priv1
1.1.1.57       lxb2-priv2
10.3.21.60    lxb-cluster    lxb-cluster-scan
[root@lxb2 ~]# ifconfig
bond0    Link encap:Ethernet  HWaddr 00:50:56:84:78:55
      inet addr:10.3.21.56  Bcast:10.255.255.255  Mask:255.0.0.0
      inet6 addr: fe80::250:56ff:fe84:7855/64 Scope:Link
      UP BROADCAST RUNNING MASTER MULTICAST  MTU:1500  Metric:1
      RX packets:1769 errors:0 dropped:0 overruns:0 frame:0
      TX packets:123 errors:0 dropped:0 overruns:0 carrier:0
      collisions:0 txqueuelen:0
      RX bytes:157480 (153.7 KiB)  TX bytes:19658 (19.1 KiB)

eth0    Link encap:Ethernet  HWaddr 00:50:56:84:78:55
      UP BROADCAST RUNNING SLAVE MULTICAST  MTU:1500  Metric:1
      RX packets:883 errors:0 dropped:0 overruns:0 frame:0
      TX packets:123 errors:0 dropped:0 overruns:0 carrier:0
      collisions:0 txqueuelen:1000
      RX bytes:78650 (76.8 KiB)  TX bytes:19658 (19.1 KiB)

eth1    Link encap:Ethernet  HWaddr 00:50:56:84:78:55
      UP BROADCAST RUNNING SLAVE MULTICAST  MTU:1500  Metric:1
      RX packets:886 errors:0 dropped:0 overruns:0 frame:0
      TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
      collisions:0 txqueuelen:1000
      RX bytes:78830 (76.9 KiB)  TX bytes:0 (0.0 b)

eth2    Link encap:Ethernet  HWaddr 00:50:56:84:50:FE
      inet addr:10.3.21.57  Bcast:10.255.255.255  Mask:255.0.0.0
      inet6 addr: fe80::250:56ff:fe84:50fe/64 Scope:Link
      UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
      RX packets:744 errors:0 dropped:0 overruns:0 frame:0
      TX packets:11 errors:0 dropped:0 overruns:0 carrier:0
      collisions:0 txqueuelen:1000
      RX bytes:59838 (58.4 KiB)  TX bytes:746 (746.0 b)

eth3    Link encap:Ethernet  HWaddr 00:50:56:84:21:BD
      inet addr:1.1.1.56  Bcast:1.255.255.255  Mask:255.0.0.0
      inet6 addr: fe80::250:56ff:fe84:21bd/64 Scope:Link
      UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
      RX packets:720 errors:0 dropped:0 overruns:0 frame:0
      TX packets:23 errors:0 dropped:0 overruns:0 carrier:0
      collisions:0 txqueuelen:1000
      RX bytes:58398 (57.0 KiB)  TX bytes:1250 (1.2 KiB)

eth4    Link encap:Ethernet  HWaddr 00:50:56:84:24:81
      inet addr:1.1.1.57  Bcast:1.255.255.255  Mask:255.0.0.0
      inet6 addr: fe80::250:56ff:fe84:2481/64 Scope:Link
      UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
      RX packets:715 errors:0 dropped:0 overruns:0 frame:0
      TX packets:11 errors:0 dropped:0 overruns:0 carrier:0
      collisions:0 txqueuelen:1000
      RX bytes:58098 (56.7 KiB)  TX bytes:746 (746.0 b)

lo       Link encap:Local Loopback
      inet addr:127.0.0.1  Mask:255.0.0.0
      inet6 addr: ::1/128 Scope:Host
      UP LOOPBACK RUNNING  MTU:16436  Metric:1
      RX packets:8 errors:0 dropped:0 overruns:0 frame:0
      TX packets:8 errors:0 dropped:0 overruns:0 carrier:0
      collisions:0 txqueuelen:0
      RX bytes:628 (628.0 b)  TX bytes:628 (628.0 b)

virbr0 Link encap:Ethernet  HWaddr 52:54:00:30:98:71
      inet addr:192.168.122.1  Bcast:192.168.122.255  Mask:255.255.255.0
      UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
      RX packets:0 errors:0 dropped:0 overruns:0 frame:0
      TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
      collisions:0 txqueuelen:0
      RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)

在完成ssh配置后，打开命令行窗口，使用ssh lxb2 需要输入密码
但是我退出再登录，再次使用ssh lxb2 就不需要输入密码了

退出再次登录后两个节点可以相互ssh通过
[root@lxb1 ~]# su - grid
[grid@lxb1 ~]$ ssh lxb2
Last login: Tue Jan  6 21:07:32 2015 from lxb1
[grid@lxb2 ~]$ ssh lxb1
Last login: Tue Jan  6 21:07:43 2015 from lxb2

私有网络的ssh
[grid@lxb2 ~]$ ssh lxb1-priv1
The authenticity of host 'lxb1-priv1 (1.1.1.66)' can't be established.
RSA key fingerprint is 9d:a0:3d:f6:98:d7:dc:2f:11:ac:38:3e:5f:d8:56:32.
Warning: Permanently added 'lxb1-priv1,1.1.1.66' (RSA) to the list of known hosts.
Last login: Tue Jan  6 21:30:55 2015 from lxb2
[grid@lxb1 ~]$ ssh lxb2-priv1
The authenticity of host 'lxb2-priv1 (1.1.1.56)' can't be established.
RSA key fingerprint is 9d:a0:3d:f6:98:d7:dc:2f:11:ac:38:3e:5f:d8:56:32.
Warning: Permanently added 'lxb2-priv1,1.1.1.56' (RSA) to the list of known hosts.
Last login: Tue Jan  6 21:30:11 2015 from lxb1

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