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vs1: RedHat 6.2, Kernel 2.2.19
vs1: eth0 192.168.0.1
vs1: eth0:101 192.168.0.101
rs1: RedHat 6.2, Kernel 2.2.14
rs1: eth0 192.168.0.3
rs1: dummy0 192.168.0.101
rs2: RedHat 6.2, Kernel 2.2.14
rs2: eth0 192.168.0.4
rs2: dummy0 192.168.0.101
client: Windows 2000
client: eth0 192.168.0.200
ÆäÖУ¬192.168.0.101ÊÇÔÊÐíÓû§·ÃÎʵÄIP¡£
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¡¡¡¡Ê×ÏÈ£¬ÏÂÔØ×îеÄLinuxÄںˣ¬°æ±¾ºÅΪ2.2.19£¬ÏÂÔصØַΪ£ºhttp://www.kernel.org/£¬½âѹËõºóÖÃÓÚ/usr/src/linuxĿ¼Ï¡£
¡¡¡¡Æä´ÎÐèÒªÏÂÔØLVSµÄÄں˲¹¶¡£¬µØַΪ£ºhttp://www.linuxvirtualserver.org/software/ipvs- 1.0.6-2.2.19.tar.gz¡£ÕâÀï×¢Ò⣬Èç¹ûÄãÓõÄLinuxÄں˲»ÊÇ2.2.19°æ±¾µÄ£¬ÇëÏÂÔØÏàÓ¦°æ±¾µÄLVSÄں˲¹¶¡¡£½«ipvs- 1.0.6-2.2.19.tar.gz½âѹËõºóÖÃÓÚ/usr/src/linuxĿ¼Ï¡£
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[root@vs2 /root]# cd /usr/src/linux
[root@vs2 linux]# patch -p1 < ipvs-1.0.6-2.2.19/ipvs-1.0.6-2.2.19.patch
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1 Code maturity level options--->
*¡¡ [*]Prompt for development and/or incomplete code/drivers
2 Networking²¿·Ö£º
¡¡[*] Kernel/User netlink socket
¡¡ [*] Routing messages
¡¡ <*> Netlink device emulation
*¡¡[*] Network firewalls
¡¡ [*] Socket Filtering
¡¡ <*> Unix domain sockets
*¡¡[*] TCP/IP networking
¡¡ [*] IP: multicasting
¡¡ [*] IP: advanced router
¡¡ [ ] IP: policy routing
¡¡ [ ] IP: equal cost multipath
¡¡ [ ] IP: use TOS value as routing key
¡¡ [ ] IP: verbose route monitoring
¡¡ [ ] IP: large routing tables
¡¡ [ ] IP: kernel level autoconfiguration
*¡¡[*] IP: firewalling
¡¡ [ ] IP: firewall packet netlink device
*¡¡[*] IP: transparent proxy support
*¡¡[*] IP: masquerading
¡¡ --- Protocol-specific masquerading support will be built as modules.
*¡¡[*] IP: ICMP masquerading
¡¡ --- Protocol-specific masquerading support will be built as modules.
*¡¡[*] IP: masquerading special modules support
*¡¡ IP: ipautofw masq support (EXPERIMENTAL)(NEW)
*¡¡ IP: ipportfw masq support (EXPERIMENTAL)(NEW)
*¡¡ IP: ip fwmark masq-forwarding support (EXPERIMENTAL)(NEW)
*¡¡[*] IP: masquerading virtual server support (EXPERIMENTAL)(NEW)
¡¡ [*]¡¡IP Virtual Server debugging (NEW)¡¡<--×îºÃÑ¡Ôñ´ËÏÒÔ±ã¹Û²ìLVSµÄµ÷ÊÔÐÅÏ¢
*¡¡(12) IP masquerading VS table size (the Nth power of 2) (NEW)
*¡¡ IPVS: round-robin scheduling (NEW)
*¡¡ IPVS: weighted round-robin scheduling (NEW)
*¡¡ IPVS: least-connection scheduling (NEW)
*¡¡ IPVS: weighted least-connection scheduling (NEW)
*¡¡ IPVS: locality-based least-connection scheduling (NEW)
*¡¡ IPVS: locality-based least-connection with replication scheduling (NEW)
*¡¡[*] IP: optimize as router not host
*¡¡ IP: tunneling
¡¡ IP: GRE tunnels over IP
¡¡ [*] IP: broadcast GRE over IP
¡¡ [*] IP: multicast routing
¡¡ [*] IP: PIM-SM version 1 support
¡¡ [*] IP: PIM-SM version 2 support
*¡¡[*] IP: aliasing support
¡¡ [ ] IP: ARP daemon support (EXPERIMENTAL)
*¡¡[*] IP: TCP syncookie support (not enabled per default)
¡¡ --- (it is safe to leave these untouched)
¡¡ < > IP: Reverse ARP
¡¡ [*] IP: Allow large windows (not recommended if <16Mb of memory)
¡¡ < > The IPv6 protocol (EXPERIMENTAL)
¡¡¡¡ÉÏÃ棬´ø*ºÅµÄΪ±ØÑ¡Ïî¡£
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¡¡¡¡ÔÚÕâÀïҪעÒâÒ»µã£ºÈç¹ûÄãʹÓõÄÊÇRedHat×Ô´øµÄÄں˻òÕß´ÓRedHatÏÂÔصÄÄں˰汾£¬ÒѾԤÏÈ´òºÃÁËLVSµÄ²¹¶¡¡£Õâ¿ÉÒÔͨ¹ý²é¿´/usr/src/linux/net/Ŀ¼ÏÂÓÐûÓм¸¸öipvs¿ªÍ·µÄÎļþÀ´ÅжϣºÈç¹ûÓУ¬Ôò˵Ã÷ÒѾ´ò¹ý²¹¶¡¡£
¡¡¡¡±àдLVSÅäÖÃÎļþ£¬ÊµÀýÖеÄÅäÖÃÎļþÈçÏ£º
#lvs_dr.conf (C) Joseph Mack mack@ncifcrf.gov
LVS_TYPE=VS_DR
INITIAL_STATE=on
VIP=eth0:101 192.168.0.101 255.255.255.0 192.168.0.0
DIRECTOR_INSIDEIP=eth0 192.168.0.1 192.168.0.0 255.255.255.0 192.168.0.255
SERVICE=t telnet rr rs1:telnet rs2:telnet
SERVICE=t www rr rs1:www rs2:www
SERVER_VIP_DEVICE=dummy0
SERVER_NET_DEVICE=eth0
#----------end lvs_dr.conf------------------------------------
½«¸ÃÎļþÖÃÓÚ/etc/lvsĿ¼Ï¡£
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[root@vs2 lvs]# configure lvs.conf
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ÐÞ¸Ä/etc/rc.d/init.d/rc.local£¬Ôö¼ÓÈçϼ¸ÐУº
echo 1 > /proc/sys/net/ipv4/ip_forward
echo 1 > /proc/sys/net/ipv4/ip_always_defrag
# ÏÔʾ×î¶àµ÷ÊÔÐÅÏ¢
echo 10 > /proc/sys/net/ipv4/vs/debug_level
ÅäÖÃNFS·þÎñ¡£ÕâÒ»²½½ö½öÊÇΪÁË·½±ã¹ÜÀí£¬²»ÊDZØÐëµÄ²½Öè¡£
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/etc/lvs ro(rs1,rs2)
È»ºóʹÓÃexportfsÃüÁîÊä³öÕâ¸öĿ¼:
[root@vs2 lvs]# exportfs
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[root@vs2 lvs]# /etc/rc.d/init.d/nfs restart
[root@vs2 lvs]# exportfs
ÕâÑù£¬¸÷¸öreal server¿ÉÒÔͨ¹ýNFS»ñµÃrc.lvs_drÎļþ£¬·½±ãÁ˼¯ÈºµÄÅäÖÃ:Äãÿ´ÎÐÞ¸Älvs.confÖеÄÅäÖÃÑ¡Ï¶¼¿ÉÒÔ¼´¿É·´Ó³ÔÚrs1,rs2µÄÏàӦĿ¼Àï¡£
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ÕâÑù£¬LVSµÄһЩµ÷ÊÔÐÅÏ¢¾Í»áдÈë/var/log/kernel_logÎļþÖÐ.
real serverµÄÅäÖÃ
real serverµÄÅäÖÃÏà¶Ô¼òµ¥£¬Ö÷ÒªÊÇÊÇÒÔϼ¸µã£º
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Listen 192.168.0.101:80
¹Ø±Õreal serverÉÏdummy0µÄarpÇëÇóÏìÓ¦ÄÜÁ¦¡£ÕâÊDZØÐëµÄ£¬¾ßÌåÔÒòÇë²Î¼ûARP problem in LVS/TUN and LVS/DR£¨http://www.linuxvirtualserver.org/arp.html£©¡£¹Ø±Õdummy0µÄarpÏìÓ¦µÄ·½Ê½ÓжàÖÖ£¬±È½Ï¼òµ¥µØ·½·¨ÊÇ£¬ÐÞ¸Ä/etc/rc.d/rc.localÎļþ£¬Ôö¼ÓÈçϼ¸ÐУº echo 1 > /proc/sys/net/ipv4/conf/all/hidden
ifconfig dummy0 up
ifconfig dummy0 192.168.0.101 netmask 255.255.255.0 broadcast 192.168.0.0 up
echo 1 > /proc/sys/net/ipv4/conf/dummy0/hidden
ÔÙ´ÎÐÞ¸Ä/etc/rc.d/rc.local£¬Ôö¼ÓÈçÏÂÒ»ÐУº£¨¿ÉÒԺͲ½Öè2ºÏ²¢£©
echo 1 > /proc/sys/net/ipv4/ip_forward
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[guest@rs1 guest]$-----------˵Ã÷ÒѾµÇ¼µ½·þÎñÆ÷rs1ÉÏ¡£
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[root@vs2 /root]ipvsadm
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IP Virtual Server version 1.0.6 (size=4096)
Prot LocalAddress:Port Scheduler Flags
-> RemoteAddress:Port Forward Weight ActiveConn InActConn
TCP¡¡192.168.0.101:telnet rr
-> rs2:telnet Route¡¡ 1¡¡1¡¡0
-> rs1:telnet Route¡¡ 1¡¡1¡¡0
TCP¡¡192.168.0.101:www rr
-> rs2:wwwRoute¡¡ 1¡¡0¡¡0
-> rs1:wwwRoute¡¡ 1¡¡0¡¡0
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ÎÒÊÇreal server #1 or #2
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IP Virtual Server version 1.0.6 (size=4096)
Prot LocalAddress:Port Scheduler Flags
-> RemoteAddress:Port Forward Weight ActiveConn InActConn
TCP¡¡192.168.0.101:telnet rr
-> rs2:telnet Route¡¡ 1¡¡0¡¡0
-> rs1:telnet Route¡¡ 1¡¡0¡¡0
TCP¡¡192.168.0.101:www rr
-> rs2:wwwRoute¡¡ 1¡¡0¡¡5
-> rs1:wwwRoute¡¡ 1¡¡0¡¡4
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