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MediaAgent crash after guest file restore

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Hello,

 

I have issue with guest file restore, after starting restore the MA getting error and crashing. I am trying to restore Windows File and using RH8 MediaAgent. After starting restore there is high CPU usage and warrning on MA

 

At some point MA not responding more and you need to restart it.

 

When i am doing file restore and using Windows MediaAgent its work perfectly. I can remember in the past we always used RH8 MA for restores all kind of files.

 

We are now on 11.28.48 SP. I made commvault case 230228-312 aswell, but they couldn't help. 

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Best answer by Egor Skepko 13 March 2023, 11:06

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Hi @Egor Skepko ,

From the case you said that you will use a Windows MA which is working as expected.

I checked with the Engineer and requested to re-open the case and escalate to Development with the crash dump..

Best Regards,

Sebastien

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Looks like issue is Red Hat Enterprise Linux 8.7 crashing due to latest kernel on which cvblk driver support not present.

Can you confirm the version you have please and if so, can you downgrade to RHEL 8.6?

If that’s the issue, we have a fix SP28-HotFix-4090 which will be available in the next Maintenance Release in April.

Otherwise we can provide the Diag in your case and see if that fixes your issue.

 

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@Sebastien Merluzzi Hello, yeah in the case i said that we gonna use Windows MA but didnt said to close the case. 

 

But yes pls can you provide me fix now so i can test it out.

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Sure, my colleague will contact you.

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@Sebastien Merluzzi Sorry for delay, we are running on 4.18.0-425.13.1.el8_7.x86_64 kernel, and we we are not going to downgrade to 8.6. So we juist wait for the fix in april? 

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@Egor Skepko ,

Please work on the case you have with my colleague, as I can see he is scheduling a session with you.

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@Sebastien Merluzzi We have installed the DIAG on one of the MA (11.28.48) to resolve the drivers on OS version 8.7 and after the installation i did restore and its work fine. This DIAG wil be availble next week at 11.28.54 SP

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@Egor Skepko That’s correct. Please mark this question as solved.😉

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Hi I’m interested on this as it looks like I experience the same issue

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@Laurent There wil be new hotfix next week that should solve your issue aswell. Otherwise you can create case at commvault or as them to send you update.

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@Laurent @Egor Skepko ,

The Hotfix is in MR54 which will be available on Tuesday 4th April (EST).

So you can log a case with us and we will provide the Diag.

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Thanks @Sebastien Merluzzi , to accelerate and not go into usual troubleshooting/error reproducing/send logs, is there something I can mention to get the immediate download link to this hotfix ? 

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@Laurent ,

It looks like it is RHEL 8.7 latest kernel on which cvblk driver support not present.

My colleague has your case and will send it to you.

Bonne journée 😉

Seb

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@Laurent ,

It looks like it is RHEL 8.7 latest kernel on which cvblk driver support not present.

My colleague has your case and will send it to you.

Bonne journée 😉

Seb

Merci Sebastien, it worked after I applied the diag 😉

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