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rev.dennis

VCMP Guest will not run on Viprion

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Having an issue where my vCMP Guest will not run.  I have tried to rebuild it, delete the img file, change what version of operating system and nothing.

So there is currently a bug (ID 759968) that referencve a bug with clustering of the devices.  In short, the guests end up having duplicate rebroad_mac on one or more slots.  You can confirm this by running the following command

clsh tmctl -d blade tmm/vcmp -w 200

Look at the “reborad_mac” field

This is common when you run your guest on one blade. If you used more than one blade the issue typically goes away.

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Looks to me like the bug is confirmed. Here is where the issue appears to lie:

Quote

 

...

txsat1slbco12    0             0        68661673             0               0                 230193275               55835387                    0                         0 02:01:23:45:02:10

txsat1slbco02    0     554097758       249112027             0               0                         0              803213133                    0                         0 00:00:00:00:00:00

txsat1slbco36    0     622919821       261169441             0               0                     12831               31114827                    0                       273 02:01:23:45:02:10

...

 

As you can see, txsat1slbco12 and txsat1slbco36 are reporting the same rebroad_mac address (far column on right).

We have 4 options here:

1) Move the txsat1slbco12 guest to another slot

2) apply the workaround specified in bugtracker -

   --Disable clusterd from sending packets over tmm_bp by turning off the db variable clusterd.communicateovertmmbp:

        modify sys db clusterd.communicateovertmmbp value false.

3) Escalate and request and EHF to address this issue.

4) upgrade to v14 line as that appears unaffected.

Any option will likely require a change record to cover yourself.

Upgrading to v14 or EHF would be the most impactful as the other 2 can be run without a reboot.

 

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1) Move the txsat1slbco12 guest to another slot

You need to Provision the vCMP Guest, change slot (in this case I moved it to 4) and watched the status state Guest Migration, then click Deploy.

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