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VM's in vmWare ESXi crashing intermittently

I have a vmWare ESIx server that is having issues.  Intermittently, all of the VM's instantly power off.  If I'm logged into the console when this happens, the console also crashes.  I can immediately log back on to see that all VM's are powered off.

Any ideas?
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pcgym
Asked:
pcgym
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1 Solution
 
Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Really need some more information here?

1. Host Server Hardware - is it on the HCL?

2. Host Specifications, RAM and CPU

3. Storage?

4. Datastore full?

5. Snapshots in use?

6. What OS are the VMs?

7. How do they crash?

8. How do you recover the server?
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pcgymAuthor Commented:
Hardware  HP Prolient DL380 G3
9.5 GB RAM
2x 3GHz proc
334 GB usable HD (Raid5)  112 GB Free
Not using snapshots
OS's   2- Windows Server 2003
         1- Windows 7 32bit

They just power off.  Finding no info in the logs.

To recover, I connect to the Infrastructure Client and Power On each server.

Sometimes they'll stay running for 2 weeks, other time 10 minutes.
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pcgymAuthor Commented:
I want to migrate them to an old server (temporarily), format and reinstall ESXi on the server and then migrate the vm's back.

I'm using vmWare converter but the processes keep failing.

Are there any other simple ways to pull the images off (can be powered off over a weekend without issue), rebuild the server and restore the images back?
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Often the issues is memory or processors overheating.

Test with the following
http://www.memtest.org/

Checkout my Backup Article Here
VMware ESX/ESXi Backup Guide


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