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   Centos Cluster / Iscsi San

Bidding Time:
22/07/2008 17:04 - 29/07/2008 17:04
Budget:
Maximum $400
Status:
Closed


Job Type:
System Administration
Description:



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I have three colocated servers that I need some work performed on. I have 2 new
nics ports available on each server (eth2,eth3), which already have the
corrected IP's assigned, are on the right vlan, and firewalls have been
correctly setup. These two nics on each server will be used to connect to my
iscsi san (dell md3000i), which has a single controller, but two iscsi ports and
will be using a multi pathing driver to distribute the connections between the
nics. I already have the iscsi initiators setup and connected to the iscsi san.
Here is a tutorial that explains things in detail, but since its a bitter harder
for someone like me that is not as savy with this sort of setup, to understand
it. I am running Centos 5.2 on each one of these servers, with the Cluster Suite
http://lists.centos.org/pipermail/centos/2008-June/101774.html
Here is another that might be helpful:
http://translate.google.com/translate?u=http%3A%2F%2Fpeng1.org%2Felwiki%2Findex.php%3Ftitle%3DEL5_MD3000i&sl=de&tl=en&hl=en&ie=UTF-8
I seem to have some issues with CLVMD not wanting to play nicely from time to
time. I am getting things to work sometimes, but not all the time, which is the
part that concerns me the most since I cant have those type of issues after i go
production. Basically when CLVMD is not coming online correctly (seems to stall
when trying to start the service),
To sum things up:
1) Need multi pathing driver configured so that im taking full advantage of the
two available ports on the san and servers for iscsi.
2) When members of the cluster (the 3 servers) are rebooted, they ALWAYS join
the cluster again. I seem to have inconsistencies between the nodes.
3) Test and reconfigure if needed, CLVMD so that it always works when servers
are brought back on line if its (server or service) restarted.
3a) Once this server is running on all 3 servers correctly, it should then
enable access to the shared iscsi volume group (already setup).
The quicker this can be setup configured, the better. If things work out really
well, i most likely will want to keep your contact details handy so that I can
hire you for future work on the cluster.
If you have questions, please do not hesitate to ask. Please do not bid on this
project unless you have experience working on centos clusters and iSCSI.

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