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We haven’t upgraded the Nexus switches yet but did give them a reboot. We thought perhaps the Nexus was part of the problem due to 1000+ days uptime and also a couple odd behaviours like the MAC address table was blank, when it should have 100s of entries. The reboot fixed that the empty MAC table issue but the overall host-host issue persisted. Our current theory is the issue is caused by an upstream router that our VMs are pointing at for their default gateway. We gave that a reboot and since then the problem has not re-occured! VMs on different hosts can reach eachother fine. How long it will last is unclear but I think we know enough now that its not the NX cluster itself at fault.
Hi JeroenTielen thanks for the reply. Yes we have LACP configured on the switch ports and the correct vLANs added to the switch ports/interfaces. I had planned to reconfigure the hosts and switches to use Active-Backup but after a very informative NX support call the SRE has helped identify the switches as the (most likely) fault. We are going to try upgrading the Nexus switches as they are 4 years out of date as the first step. If we get to a conclusion I’ll post more info here
Using Nutanix powershell I have run these commands and then matched them up in Excel by the containerUUID value. Get list of containers:Get-NTNXContainer | select name, containerUuid Get list of VMs and their containersGet-NTNXVM | select vmName, containerUuids
Maybe I should use Nutanix powershell
Thanks @Moustafa Hindawi !So I can use “ncli vdisk list” to create a list of VM disks and the container they are located onHow can I identify the VM the disk belongs to? I have tried this command using the NFS File Name but don’t get any results ncli vm list | grep “f2fecb12-eff3-46a1-96d8-9813ac78a8cd” Name : 0005e412-b5c0-wdffe-1c55-7cc255055495::NFS:4:0:621 Container ID : 0005e412-b5c0-dad9-1c55-7cc255055495::4749 Container Uuid : adbc8ae6-10cb-41be-9aba-54d50e7e4ff7 Max Capacity : 40 GiB (42,949,672,960 bytes) Reserved Capacity : - Read-only : false NFS File Name : f2fecb12-eff3-46a1-96d8-9813ac78a8cd NFS Parent File Name (... : Fingerprint On Write : none On-Disk Dedup : none
Did you ever find a solution to this? I’d be interested to know
I believe the only way to export as OVA is using Prism Central GUI. I have not seen a way to do it using aCLIhttps://portal.nutanix.com/page/documents/details?targetId=Prism-Central-Guide-Prism-v5_19:mul-vm-export-as-ova-pc-t.htmlhttps://portal.nutanix.com/page/documents/kbs/details?targetId=kA03200000098T7CAI Or alternatively you can download the VM using WinSCP which might be useful if you moving the VM to another cluster with same hypervisor. For cross hypervisor migrations you can use Nutanix Movehttps://next.nutanix.com/server-virtualization-27/ahv-vdisk-part-2-accessing-and-downloading-vdisks-33672
Also ran “ncc health_checks run_all” before of course
Upgraded to pc.2021.9.0.3 today without any issues. Took about 25 minutes to complete
Is this still the case?
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