PRIMECLUSTER Global Link Services 説明書 4.4 （伝送路二重化機能編）

H.6.1 ネットワークアドレス

ネットワークアドレスが適切に設定されていることを確認してください。自側と通信相手の仮想IPアドレスは異なるネットワークアドレスにする必要があります。

図H.1 隣接構成

確認方法

# /opt/FJSVhanet/usr/sbin/hanetconfig print
snip..
 Name        Hostname        Mode Physical ipaddr   Interface List
+-----------+---------------+----+-----------------+---------------------------+
 sha0        192.168.110.10   c                     eth0,eth1

# /opt/FJSVhanet/usr/sbin/hanetobserv print
snip..
 Destination Host Virtual Address     (Router Address+)NIC Address
+----------------+-------------------+--------------------------------+
 GS               192.168.120.20      192.168.10.20,192.168.20.20

# /opt/FJSVhanet/usr/sbin/hanetmask print
 network-address netmask
+---------------+---------------+
 192.168.110.0   255.255.255.0

# /opt/FJSVhanet/usr/sbin/hanetgw print
ifname  GW Address
+------+----------------+
 sha0   192.168.110.254

# cat /etc/sysconfig/network-scripts/route-sha0
GATEWAY0=192.168.110.254
NETMASK0=255.255.255.255
ADDRESS0=192.168.120.20

図H.2 遠隔構成

確認方法

# /opt/FJSVhanet/usr/sbin/hanetconfig print
snip..
 Name        Hostname        Mode Physical ipaddr   Interface List
+-----------+---------------+----+-----------------+---------------------------+
 sha0        192.168.110.10   c                     eth0,eth1

# /opt/FJSVhanet/usr/sbin/hanetobserv print
snip..
 Destination Host Virtual Address     (Router Address+)NIC Address
+----------------+-------------------+--------------------------------+
 GS               192.168.120.20      192.168.30.20,192.168.40.20

# /opt/FJSVhanet/usr/sbin/hanethvrsc print
 ifname     takeover-ipv4    takeover-ipv6     logical ip address list
+----------+----------------+----------------+--------------------------------+
 sha0:65    192.168.110.10   -                192.168.10.11,192.168.20.11

# /opt/FJSVhanet/usr/sbin/hanetmask print
 network-address netmask
+---------------+---------------+
 192.168.110.0   255.255.255.0
 192.168.10.0    255.255.255.0
 192.168.20.0    255.255.255.0

# /opt/FJSVhanet/usr/sbin/hanetgw print
 ifname  GW Address
+------+----------------+
 sha0   192.168.110.254

# cat /etc/sysconfig/network-scripts/route-sha0
GATEWAY0=192.168.110.254
NETMASK0=255.255.255.255
ADDRESS0=192.168.120.20
# cat /etc/sysconfig/network-scripts/route-eth0
GATEWAY0=192.168.10.254
NETMASK0=255.255.255.0
ADDRESS0=192.168.30.20
# cat /etc/sysconfig/network-scripts/route-eth1
GATEWAY0=192.168.20.254
NETMASK0=255.255.255.0
ADDRESS0=192.168.40.20

なお、複数の仮想インタフェースを使用する場合は、仮想IPアドレス間で異なるネットワークアドレスを設定する必要があります。

確認方法

# /opt/FJSVhanet/usr/sbin/hanetconfig print
snip..
 Name        Hostname        Mode Physical ipaddr   Interface List
+-----------+---------------+----+-----------------+---------------------------+
 sha0        192.168.110.10   c                     eth0,eth1
 sha1        192.168.111.10   c                     eth0,eth1

# /opt/FJSVhanet/usr/sbin/hanetmask print
 network-address netmask
+---------------+---------------+
 192.168.110.0   255.255.255.0
 192.168.111.0   255.255.255.0

# /opt/FJSVhanet/usr/sbin/hanetgw print
 ifname  GW Address
+------+----------------+
 sha0   192.168.110.254
 sha1   192.168.111.254

参照

• “2.2.2.3 GS連携方式を使用する場合”