The tick divider first showed up in RHEL 5.1. It is a kernel command
line option. Search for 'divider' in the release notes
(http://www.redhat.com/docs/manuals/enterprise/RHEL-5-manual/release-notes/RELEASE-NOTES-U1-x86-en.html).
Multicast works fine for me. I have 4 virtual and 1 physical members in
my gfs cluster. The VMs are split onto two ESX nodes (along with 20+
other VMs). The physical/virtual ethernet switching works fine. But I
did make sure the GFS VMs are using the vmxnet driver, as it has a lower
latency than the other virtual nic driver. My gfs volumes consist of
about 14TB of 4Gbps FC SAN LUNS.
-A
--
Andrew A. Neuschwander, RHCE
Systems/Software Engineer
College of Forestry and Conservation
The University of Montana
http://www.ntsg.umt.edu
andrew@xxxxxxxxxxxx - 406.243.6310
Tiago Cruz wrote:
Hello Andrew! Many thanks for your reply!
It's very good to see an environment like my!
I'm using RHEL 5.2 with kernel-2.6.18-92.1.22.el5... can you explain a
little bit around this trick divider?
I'm usually have 2-3 IBM x3850 (16 cores CPU and 128 GB RAM) with 10-15
virtual machines running under GFS, with a LUN ~500 GB SAN.
My problem happens when Multicast:
Switch -> GFS -> Switch = OK
vSwitch (Box_A) -> Switch-> vSwitch (Box_B) = NOK
Did you have some problem with? If I put all VMs inside the same box
(vSwitch Box_A -> vSwitch Box_A) I don't have any problem...
Thanks a lot!
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