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DCE intermittent freezing after VM migration

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DCIM_Support
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‎2020-07-04 07:50 PM
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‎2020-07-04 07:50 PM

DCE intermittent freezing after VM migration

This question was originally posted on DCIM Support by Garry Priestland on 2018-07-04


Hi we have a customer whop has recently migrated from running DCE successfully on ESXi5 to ESXi6.5.  Since the migration the DCE server intermittently hangs and has to be restarted 'manually'.

The migration process was as follows:

  • Take a full backup from the 'old' DCE server
  • Deploy the 'demo' version of DCE using the OVA file to the new VM platform.  Set up the NIC to use the same MAC address as the old one.
  • Switch off the old DCE server.
  • Restore the old backup into the new DCE server.
  • The old server is no longer running (it has been deleted too as far as I know)

This all appears to have worked but the freezes continue.

Any advice on how to prevent the freezes please?

 

Regards

(CID:132660978)

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‎2020-07-04 07:50 PM

Re: DCE intermittent freezing after VM migration

This comment was originally posted on DCIM Support by Garry Priestland on 2018-07-09


Hi.  Any update / response on this please?

(CID:132662643)

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‎2020-07-04 07:50 PM

Re: DCE intermittent freezing after VM migration

This comment was originally posted on DCIM Support by Garry Priestland on 2018-07-26


Any comments on this please? Our customer is getting very frustrated about this.

(CID:132669345)

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‎2020-07-04 07:51 PM

Re: DCE intermittent freezing after VM migration

This comment was originally posted on DCIM Support by Garry Priestland on 2018-07-31


Hi - any assistance available yet please?  I have more information below too if it helps.

 

Virtual Machine details

Hypervisor: ESXi 6.5u2

Physical Hardware:

Dell PowerEdge R6415

AMD EPYC 7551P 32-Core Processor

512GB RAM

VM Virtual Hardware

Links to other files below

Server logs

 

Capture logs

Last backup from server (2.2GB)

 

 

(CID:132670905)

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‎2020-07-04 07:51 PM

Re: DCE intermittent freezing after VM migration

This comment was originally posted on DCIM Support by Garry Priestland on 2018-07-31


More information - possibly a direction to look?

https://access.redhat.com/articles/65431

Given that CentOS 6 is based upon RHEL 6, and DCE is built ipon CentOS 6? the table i the link above suggest that CentOS 6 is not compatible with AMD EPYC processors?

This seems to be related to running RHEL on the physical hardware not on the Virtual Hardware.

Can you confirm if DCE can run on EPYC processors on Hypervisor: ESXi 6.5u2?

If not any workaround known?

(CID:132670922)

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‎2020-07-04 07:51 PM

Re: DCE intermittent freezing after VM migration

This comment was originally posted on DCIM Support by John Thompson on 2018-08-03


Hi Garry,

I am working with the customer directly to try to resolve this.

Regards

John T

 

(CID:133367580)

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‎2020-07-04 07:51 PM

Re: DCE intermittent freezing after VM migration

This comment was originally posted on DCIM Support by Garry Priestland on 2018-08-06


Thank you, can you keep me up to date with progress on this please

(CID:133367866)

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‎2020-07-04 07:51 PM

Re: DCE intermittent freezing after VM migration

This comment was originally posted on DCIM Support by Garry Priestland on 2018-09-06


Hi John - can you advise if this has been resolved please?

(CID:134028214)

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‎2020-07-04 07:51 PM

Re: DCE intermittent freezing after VM migration

This comment was originally posted on DCIM Support by John Thompson on 2018-09-07


Hi Garry,

Unfortunately, not yet. We haven't been able to pinpoint the exact cause. 
We were suspecting a storage issue initially, but it might be a compatibility issue now. We've asked the customer to deploy another DCE VM, without adding any devices to it, and leave that running for a while to check if the same thing happens with that. Awaiting feedback from them soon. 

Regards

(CID:134028583)

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‎2020-07-04 07:51 PM

🔒 Closed

This question is closed for comments. You're welcome to start a new topic if you have further comments on this issue.

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