On utilise des IPv4 en 192.0.2.0/24 (RFC5737)
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452cd64b26
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12
HowtoDRBD.md
12
HowtoDRBD.md
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@ -84,10 +84,10 @@ resource r0 {
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meta-disk internal;
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}
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on tic {
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address 192.168.0.1:7788;
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address 192.0.2.1:7788;
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}
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on tac {
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address 192.168.0.2:7788;
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address 192.0.2.2:7788;
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}
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}
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~~~
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@ -139,10 +139,10 @@ resource r0 {
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meta-disk internal;
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}
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on tic {
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address 192.168.0.1:7788;
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address 192.0.2.1:7788;
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}
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on tac {
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address 192.168.0.2:7788;
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address 192.0.2.2:7788;
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}
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}
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~~~
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@ -166,14 +166,14 @@ Configurer OCFS dans /etc/ocfs2/cluster.conf
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~~~
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node:
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ip_port = 7777
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ip_address = 192.168.0.1
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ip_address = 192.0.2.1
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number = 0
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name = kvm1
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cluster = ocfs2
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node:
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ip_port = 7777
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ip_address = 192.168.0.2
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ip_address = 192.0.2.2
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number = 1
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name = kvm2
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cluster = ocfs2
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@ -331,9 +331,9 @@ Si l'on coupe le master, un autre est élu :
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~~~
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[INFO ][o.e.d.z.ZenDiscovery ] [bar2] master_left [{bar0}{4Tt8FlV4TG2Hf_1T4EayQg}{5nbXw3F5RWCWjUSiRzv9DA}{192.0.2.42}{192.0.2.42:9300}], reason [shut_down]
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[WARN ][o.e.d.z.ZenDiscovery ] [bar2] master left (reason = shut_down), current nodes: {{bar2}{5wUhAI79SsyY-DKv4va26Q}{_VQTiZXxTCi2KIsijyQBpg}{192.0.2.42}{192.0.2.42:9302},{bar1}{_jwXmQsAQEyseSOc4pG2IA}{_pQMtkFLSTe3p-eDHMkalw}{192.0.2.42}{192.0.2.42:9301},}
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[INFO ][o.e.c.s.ClusterService ] [bar2] removed {{bar0}{4Tt8FlV4TG2Hf_1T4EayQg}{5nbXw3F5RWCWjUSiRzv9DA}{192.168.0.133}{192.168.0.133:9300},}, reason: master_failed ({bar0}{4Tt8FlV4TG2Hf_1T4EayQg}{5nbXw3F5RWCWjUSiRzv9DA}{192.0.2.42}{192.0.2.42:9300})
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[INFO ][o.e.c.s.ClusterService ] [bar2] removed {{bar0}{4Tt8FlV4TG2Hf_1T4EayQg}{5nbXw3F5RWCWjUSiRzv9DA}{192.0.2.133}{192.0.2.133:9300},}, reason: master_failed ({bar0}{4Tt8FlV4TG2Hf_1T4EayQg}{5nbXw3F5RWCWjUSiRzv9DA}{192.0.2.42}{192.0.2.42:9300})
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[INFO ][o.e.c.r.a.AllocationService] [bar2] Cluster health status changed from [GREEN] to [YELLOW] (reason: [removed dead nodes on election]).
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[INFO ][o.e.c.s.ClusterService ] [bar2] new_master {bar2}{5wUhAI79SsyY-DKv4va26Q}{_VQTiZXxTCi2KIsijyQBpg}{192.168.0.133}{192.168.0.133:9302}, reason: zen-disco-elected-as-master ([0] nodes joined)
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[INFO ][o.e.c.s.ClusterService ] [bar2] new_master {bar2}{5wUhAI79SsyY-DKv4va26Q}{_VQTiZXxTCi2KIsijyQBpg}{192.0.2.133}{192.0.2.133:9302}, reason: zen-disco-elected-as-master ([0] nodes joined)
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[INFO ][o.e.c.r.DelayedAllocationService] [bar2] scheduling reroute for delayed shards in [59.8s] (2 delayed shards)
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[INFO ][o.e.c.r.a.AllocationService] [bar2] Cluster health status changed from [YELLOW] to [GREEN] (reason: [shards started [[.monitoring-es-2-2016.11.06][0]] ...]).
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~~~
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@ -171,7 +171,7 @@ du préfixe, ici 64. Ce qui donne par exemple :
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Pour la passerelle il faut éditer le fichier /etc/mygate et ajouter
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une ou plusieurs passerelles (IPv4 et IPv6) :
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192.168.0.1
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192.0.2.1
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2001:db8:42::1
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#### Configuration (temporaire) en ligne de commande
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14
HowtoKVM.md
14
HowtoKVM.md
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@ -543,11 +543,11 @@ Et l'on peut configurer avec un réseau NAT avec `virt-manager` ou `virsh net-cr
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<interface dev='eth0'/>
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</forward>
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<bridge name='virbr0' stp='on' delay='0'/>
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<mac address='52:54:00:06:2e:8c'/>
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<mac address='52:54:00:de:ad:41'/>
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<domain name='nat0'/>
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<ip address='192.168.100.1' netmask='255.255.255.0'>
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<ip address='192.0.2.1' netmask='255.255.255.0'>
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<dhcp>
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<range start='192.168.100.128' end='192.168.100.254'/>
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<range start='192.0.2.128' end='192.0.2.254'/>
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</dhcp>
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</ip>
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</network>
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@ -575,8 +575,8 @@ Vous pouvez ainsi lancer votre KVM ainsi (on lance un CD-ROM d'OpenBSD dans notr
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# kvm -hda routeur0.qcow2 -cdrom cd48.iso -boot d -m 384 -k fr -net nic,macaddr=52:54:00:de:ad:42,model=e1000 -net tap,vlan=0,ifname=tap0
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~~~
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Une fois démarré, attribuez l'IP 10.0.0.1/24 à l'interface tap0 sur votre portable.
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Dans vos machines virtuelles, prenez une adresse IP dans la plage 10.0.0.0/24 et indiquez 10.0.0.1 comme route par défaut.
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Une fois démarré, attribuez l'IP 192.0.2.1/24 à l'interface tap0 sur votre portable.
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Dans vos machines virtuelles, prenez une adresse IP dans la plage 192.0.2.0/24 et indiquez 192.0.2.1 comme route par défaut.
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Normalement, c'est tout !
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@ -899,7 +899,7 @@ Pour rappatrier une VM _test_ depuis l'hyperviseur _foo_ :
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Si l'on a plusieurs interfaces réseau sur l'hyperviseur (par exemple un réseau dédié entre les hyperviseurs), il faut l'indiquer à *libvirtd* sinon il tente de passer par l'interface principale :
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~~~
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# virsh migrate --live --unsafe test qemu+ssh://192.168.0.2/system tcp://192.168.0.2/
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# virsh migrate --live --unsafe test qemu+ssh://192.0.2.2/system tcp://192.0.2.2/
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Migration: [100 %]
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~~~
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@ -1020,7 +1020,7 @@ Pour ne pas avoir besoin de redémarrer une VM pour retirer une interface, on pe
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# virsh dumpxml <vm-name>
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[…]
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<interface type='bridge'>
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<mac address='52:54:00:xx:xx:xx'/>
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<mac address='52:54:00:de:ad:43'/>
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<source bridge='br2'/>
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<target dev='vnet7'/>
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<model type='virtio'/>
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