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[Xen-users] hvm live migration

  • To: xen-users@xxxxxxxxxxxxx
  • From: åX_ååliaoliao <noliaoliao@xxxxxxxxx>
  • Date: Fri, 20 Mar 2015 19:40:14 +0800
  • Delivery-date: Fri, 20 Mar 2015 16:54:12 +0000
  • List-id: Xen user discussion <xen-users.lists.xen.org>

Running a HVM guest over xen (Xen = 4.2.1), there will be network outage during live migration. similar to BUGïhttps://bugzilla.redhat.com/show_bug.cgi?id=719294 ,testing with ping, usually 16 packets lost . I also send the RARP after migration, but it hasn't any effect.How can I solve this question ?
Steps to Reproduce:
1. boot up a HVM guestÂ
2. ping from the guest
3. live migrate the guest

Additional info:
No issue with PV guestÂ

Ping info:
64 bytes from icmp_seq=30 ttl=64 time=0.471 ms
64 bytes from icmp_seq=31 ttl=64 time=0.449 ms
64 bytes from icmp_seq=48 ttl=64 time=0.392 ms
64 bytes from icmp_seq=49 ttl=64 time=0.399 ms
64 bytes from icmp_seq=50 ttl=64 time=0.341 ms
64 bytes from icmp_seq=51 ttl=64 time=0.354 ms
64 bytes from icmp_seq=52 ttl=64 time=0.363 ms
64 bytes from icmp_seq=53 ttl=64 time=0.377 ms
64 bytes from icmp_seq=54 ttl=64 time=0.380 ms
64 bytes from icmp_seq=55 ttl=64 time=0.386 ms
64 bytes from icmp_seq=56 ttl=64 time=0.378 ms
64 bytes from icmp_seq=57 ttl=64 time=0.355 ms
64 bytes from icmp_seq=58 ttl=64 time=0.391 ms
64 bytes from icmp_seq=59 ttl=64 time=0.352 ms
64 bytes from icmp_seq=60 ttl=64 time=0.319 ms
64 bytes from icmp_seq=61 ttl=64 time=0.346 ms
64 bytes from icmp_seq=62 ttl=64 time=0.390 ms
64 bytes from icmp_seq=63 ttl=64 time=0.374 ms
64 bytes from icmp_seq=64 ttl=64 time=0.331 ms
64 bytes from icmp_seq=65 ttl=64 time=0.327 ms
--- ping statistics ---
65 packets transmitted, 49 received, 24% packet loss, time 64310ms
rtt min/avg/max/mdev = 0.224/0.361/0.934/0.148 m
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