studentsite at o2
Nov 8, 2007, 8:49 AM
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[lvs-users] Modify established connections (hash list)
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Hello everyone,
I'm trying to create tcp socket migration mechanism. For now on I have
solution to migrate socket between two "real servers".
I would like to modify entry in lvs hash table for established
connection. I would like to change IP address and port number in the
hash table to avoid switching connection between "real server".
For example:
I have 3 computers:
- lvs 10.0.0.1 & 200.200.200.1
- real_srv_1 10.0.0.2
- real_srv_2 10.0.0.3
Client from Internet connect to 200.200.200.1 and lvs switch this
connection to real_srv_1 (port 80). For some reason I migrate proces
and socket from real_srv_1 to real_srv_2. From now on, this process
running on 10.0.0.3 and port (...for example) 8080. To make it still
runnng I have to redirect packets incoming from lvs to real_srv_2 - so
I can't to switch off real_srv_1 (for example - I would like to add
more RAM to real_srv_1).
Here is the question:
Is there is any solution to change entry in hash table in LVS to
redirect all packet not to real_srv_1:80 but to real_srv_2:8080?
Thank You for any reply.
Greets,
Lukasz Kowalski
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[lvs-users] Modify established connections (hash list)
