CMDU and RDUN disabled - PBX Info :: Your Free PBX, PABX and Telephone Information Resource

***Lmo*** · 11-29-2004, 10:31 AM

For some unknown reason my CMDU 0 is disabled, and of course, RDUN also. I want to try tore- enable CMDU 0 and the RDUN but need to know if this is something that would be best saved until after prime time? IE: if I try to enable and it fails will my switch INI or something equally as ugly? Thanks.

slagburn · 11-29-2004, 10:34 AM

My advice FWIW: Anytime you're messing around in this area of the system it's a good idea to do after prime time, chances are slim that service will be interupted by trying to sync it back up but why risk it?

Is there anything in the history file that indicates why it went down?

***Lmo*** · 11-29-2004, 10:46 AM

Thanks for the quick reply! my first indication of trouble was a CCED218 cannot SCPU log. Otherwise, nothing else. I was tempted to try to re-enable the CMDU just to see if it would, but will wait til after hours. I'd had this CMDU replaced about 2 months ago, so I'm not sure whats up. We had major problems here over the weekend, but the switch stayed up, so I'm not sure if it's related or not. Thanks again!

HCJes · 11-29-2004, 10:54 AM

I agree, wait until after hours.
Review LD 137. I have had this happen once.
I re-enabled the CPU, then tested the HDD.
Then run SYNC to re-sync the cores. This should bring RDUN back online.

Rachelle · 11-29-2004, 11:01 AM

Definately after hours work.

What release of IODU/C are you running? They had a recall for several because they would go to sleep and not come back until you disabled and reseated the unit. If I recall all of the email that flew around you needed to have a release 10 or newer to avoid that particular issue. If you fall in to this class of problem, you may need to get a vendor and purchase new IODU/C units to alleviate this from happening in the future.

But, in the short term, you can reseat the card and resynch the units. That should bring back the redundancy of your cores.

rlc

slagburn · 11-29-2004, 11:12 AM

Quote:

Originally Posted by Rachelle

If I recall all of the email that flew around you needed to have a release 10 or newer to avoid that particular issue.

rlc

Are you serious??? About a year an half ago we had to swap most of ours to Rel 5 or 7 or later because of a POS issue...

***Lmo*** · 11-29-2004, 11:22 AM

Thanks for all of the replies! I have rlse 9 in my switch, so that may very well be the problem. Thanks again!

***Lmo*** · 11-29-2004, 10:26 PM

Just as you all said, I reseated the CMDU and was able to SYNC and restore RDUN. I'll definately be investigating the rlse 10 CMDU's. Thanks again, all!

**Fletch** · 11-29-2004, 10:31 PM

There were a few different issues with RDUN. Some were in software, some were in hardware. If you have Release 9's you are in the clear from a hardware perspective. As I recal 4 through 7 havd varying problems, 8's were OK, but were actually remediated 6's. The 9's were the first clean ones 'out of the box' and I never heard of the hardware side of the issue after that.

There were some patches that addressed the software side though.

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