On Sat, 2010-07-03 at 17:57 -0400, Srija G wrote:
Hi ,
I am getting the delay in pinging (from different network) , the guest after
live migration .
Here is the scenario:
0. OS : RHEL5.4 86_64
1. Host-A.
Port eth1 , it is trunked with three subnets
xxx.xx.15.xxx
xxx.xx.16.xxx
xxx.xx.17.xxx
Guest created on 15, 16 ,17 subnets.
Gust15-A created on subnet 15
Gust16-A created on subnet 16
Gust17-A created on subnet 17
2. Host-B.
Port eth0 and eth1 are bonded to bond0
Bond0 is trunked, with three subnets.
xxx.xx.15.xxx
xxx.xx.16.xxx
xxx.xx.17.xxx
Guest created on 15, 16 ,17 subnets.
Gust15-B created on subnet 15
Gust16-B created on subnet 16
Gust17-B created on subnet 17
I have used the mode option in /etc/modprobe.conf as
options bond0 mode=1 miimon=100 , As because mode=4 did not work, It
seems the
link aggregation is not properly set or something else. As the switch
configuration is
the part of different team, I can't explain it clearly here.
But with mode=1 , it is working at this stage.
3. I am trying to live migrate Guest15-A and other guests to Host-b. Migration
is ok.
But,there is 5 munites delay. The guests are pingable only after 4/5
munites
from different network after migration.
Can anyone please advice , where to check? Do you think it is the switch
configuration issues?
If server side configuration issue then I can do it. If it is switch side
issues , please
give me the pointers or advice , so that I can discuss with the network team.
If more explanation is needed , please let me know.
Thanks in advance.
1. Ping after
2. What happens if you issue the ping command from the _migrated_ domU and then
tries pinging it from the another network? (the switch might "remember
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