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
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