On 04/25/2016 02:46 PM, Paul Lacatus (Personal) wrote: > Am un serveras care ruleaza trei masini virtuale . Sambata a cazut > tensiunea mai mult de doua ore si alimentarea de rezerva a cazut. De > atunci masinile virtuale pornesc dar nu au retea. Problema este ca ele > se asteapta conform configurarilor la o interfata de bridge xenbr0 si > mie mi se initializeaza xenbr1 dupa cum se vede mai jos > > [root@dms scripts]# ifconfig > eth0 Link encap:Ethernet HWaddr E4:1F:13:B8:CC:68 > inet addr:192.168.100.6 Bcast:192.168.100.255 Mask:255.255.255.0 > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > RX packets:870677 errors:0 dropped:0 overruns:0 frame:0 > TX packets:1183754 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:1000 > RX bytes:131410088 (125.3 MiB) TX bytes:1410011447 (1.3 GiB) > Interrupt:16 Memory:92000000-92012800 > > eth0:1 Link encap:Ethernet HWaddr E4:1F:13:B8:CC:68 > inet addr:192.168.110.254 Bcast:192.168.110.255 > Mask:255.255.255.0 > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > Interrupt:16 Memory:92000000-92012800 > > eth0:2 Link encap:Ethernet HWaddr E4:1F:13:B8:CC:68 > inet addr:192.168.210.1 Bcast:192.168.210.255 Mask:255.255.255.0 > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > Interrupt:16 Memory:92000000-92012800 > > eth0:3 Link encap:Ethernet HWaddr E4:1F:13:B8:CC:68 > inet addr:192.168.230.1 Bcast:192.168.230.255 Mask:255.255.255.0 > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > Interrupt:16 Memory:92000000-92012800 > > eth0:4 Link encap:Ethernet HWaddr E4:1F:13:B8:CC:68 > inet addr:192.168.200.5 Bcast:192.168.200.255 Mask:255.255.255.0 > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > Interrupt:16 Memory:92000000-92012800 > > eth1 Link encap:Ethernet HWaddr 00:1B:21:B7:77:B2 > inet addr:xxxxxxxxxxxxx Bcast:xxxxxxxxxxxxx Mask:255.255.255.248 > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > RX packets:1152767 errors:0 dropped:0 overruns:0 frame:0 > TX packets:712658 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:0 > RX bytes:1403258663 (1.3 GiB) TX bytes:113131128 (107.8 MiB) > > lo Link encap:Local Loopback > inet addr:127.0.0.1 Mask:255.0.0.0 > 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:560 (560.0 b) TX bytes:560 (560.0 b) > > peth1 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF > UP BROADCAST RUNNING NOARP MTU:1500 Metric:1 > RX packets:1156987 errors:0 dropped:0 overruns:0 frame:0 > TX packets:712700 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:1000 > RX bytes:1403511863 (1.3 GiB) TX bytes:113134551 (107.8 MiB) > Interrupt:21 Memory:97a80000-97aa0000 > > vif0.1 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF > UP BROADCAST RUNNING NOARP MTU:1500 Metric:1 > RX packets:712658 errors:0 dropped:0 overruns:0 frame:0 > TX packets:1152767 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:0 > RX bytes:113131128 (107.8 MiB) TX bytes:1403258663 (1.3 GiB) > > virbr0 Link encap:Ethernet HWaddr 00:00:00:00:00:00 > inet addr:192.168.122.122 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:20 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:0 > RX bytes:0 (0.0 b) TX bytes:3479 (3.3 KiB) > > xenbr1 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF > UP BROADCAST RUNNING NOARP MTU:1500 Metric:1 > RX packets:3498 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:209912 (204.9 KiB) TX bytes:0 (0.0 b) > > > Pe masinile virtuale nu am decat interfata loop > > [root@domino ~]# ifconfig > lo Link encap:Local Loopback > inet addr:127.0.0.1 Mask:255.0.0.0 > UP LOOPBACK RUNNING MTU:16436 Metric:1 > RX packets:35 errors:0 dropped:0 overruns:0 frame:0 > TX packets:35 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:0 > RX bytes:3910 (3.8 KiB) TX bytes:3910 (3.8 KiB) > > la restart pe networking > > [root@domino ~]# service network restart > Shutting down loopback interface: [ OK ] > Disabling IPv4 packet forwarding: net.ipv4.ip_forward = 0 > [ OK ] > Bringing up loopback interface: [ OK ] > Bringing up interface eth0: xennet device eth0 does not seem to be > present, delaying initialization. > [FAILED] > > configurarea unei masini virtuale > > name = "vm01" > uuid = "007278bd-5011-2a90-fa7a-da59e2eb01b6" > maxmem = 1000 > memory = 1000 > vcpus = 1 > bootloader = "/usr/bin/pygrub" > on_poweroff = "destroy" > on_reboot = "restart" > on_crash = "restart" > disk = [ "tap:aio:/vm/vm01.iso,xvda,w" ] > vif = [ "mac=00:16:3e:16:93:70,bridge=xenbr0,script=vif-bridge" ] > [root@dms xen]# > > > Nu am mare experienta cu XEN si nu stiu cum sa o apuc > varianta ciobaneasca e sa pui bridge=xenbr1 in configurile masinilor virtuale. daca vrei sa procedezi civilizat, depinde ce versiune de xen folosesti. la cele mai vechi exista /etc/xen/xend-config.sxp in care exista ceva de genul
# The bridge is named xenbr0, by default. To rename the bridge, use # # (network-script 'network-bridge bridge=<name>') # La versiunile noi, bridge-ul trebuie creat manual, ca orice alta interfata de pe sistem. Probabil iti va folosi http://wiki.xen.org/wiki/Network_Configuration_Examples_%28Xen_4.1%2B%29 _______________________________________________ RLUG mailing list RLUG@lists.lug.ro http://lists.lug.ro/mailman/listinfo/rlug
