Hi all :
I'm trying to make a OpenSSI 3 node cluster but I'm not very sure what I'm
doing in order to get a true failover / load balanced system.
I'm using vwmare (*) for testing purposes and hope that when in real
hardware it will works fine ;-)
Following instructions (and making my own customization) at
http://wiki.openssi.org/go/VMWareWalkthrough all works fine ....
Now I have a system with 2 (partial)failover nodes and 1 "slave" node ...,
Not sure about how to make root replication or sharing of root disk. How
each node recognizes their root disk/mount point ...? each node should boot
My little understanding about ..... :
When you have failover, each failover node must boot independently, in orde=
to do that each one must have its own boot device also its own root (I don'=
know if possible use common SAN or NAS root mount point)
Also, if you are using external interfaces you must setup a virtual ip in
order that when master node goes down, secondary node takes control of
external request (CVIP is supposes to do that?)
Another questions (most general):
- What happens with dhcp server also tftp server when master node goes down=
how new nodes are added/deleted?
- How Apache benefits of SSI cluster?
Does anybody knows a cookbook where step2step you make a failover system?
also, another links where I can find the right answers?
(*) Since vmware releases a free product "Vmware Player" now we can "play"
with virtual machines at no cost, there are some of them at
http://www.vmware.com/vmtn/appliances/community.html . I suggest put an
OpenSSI vmware cluster as a new download option.
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