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Mustapha Hadim wrote:
> it would be very important if the LVS
> allows to include some control on the director node, in particular monitoring
> system ressources. Namely, I wonder wether it's possible to add, in the
> director's
> code, some system monitoring tools, in order to make decisions regarding the
> load balancing
> of the servers ?
There are lots of components for LVS which will help monitoring,
but they are all over the place in the HOWTO (which I guess I
should fix)
There's MRTG and LVSGSP
http://www.linuxvirtualserver.org/Joseph.Mack/HOWTO/LVS-HOWTO-23.html#ss23.3
there's a MIB
http://www.linuxvirtualserver.org/Joseph.Mack/HOWTO/LVS-HOWTO-23.html#ss23.4
there's statistics
http://www.linuxvirtualserver.org/Joseph.Mack/HOWTO/LVS-HOWTO-23.html#ss23.2
some philosophy about monitoring agents and why they should be separate from
the director kernel code
http://www.linuxvirtualserver.org/Joseph.Mack/HOWTO/LVS-HOWTO-21.html#ss21.12
There aren't any guis or interfaces designed for LVS but there's some
from the cluster/beowulf world that could be adapted to LVS. The first
listed below is quite simple, while the second is probably more complicated
than needed for LVS.
http://www.linuxvirtualserver.org/Joseph.Mack/HOWTO/LVS-HOWTO-1.html#ss1.13
Then you have ipvsadm the user interface to LVS to alter the loadbalancing
behaviour of LVS
Joe
--
Joseph Mack PhD, Senior Systems Engineer, Lockheed Martin
contractor to the National Environmental Supercomputer Center,
mailto:mack.joseph@xxxxxxx ph# 919-541-0007, RTP, NC, USA
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