This error surfaced in the server system hardware logs – Sensor GPT status has transitioned from normal to non-critical state. It was a system board error on Lenovo ThinkSystem SN850 model. There is a workaround given in the IBM site if this error keep surfacing when ever the server reboots. Here is the solution: To… Read More »
For one of the VM on vCenter 6.5, backup started failing. I tried to take quiesce manually, but, still failing. Thought, try migrating the virtual server to another ESXi host. However, while I’m trying to migrate, it is showing this error – “No guest OS heartbeats are being received. Either the guest OS is not… Read More »
The primary GPT table is corrupt, but the backup appears OK, so that will be used. This is what the message received when we check the status of a datastore. How to fix VMware ESXi datastore GPT primary table corrupt, here is the answer. VMware recommends to fix the GPT error when identified GPT primary… Read More »
Its not like earlier days, Lenovo has upgraded its new server models software and now it is very easy to downgrade UEFI firmware version on Lenovo SN550 model server hardware. I had to downgrade the UEFI firmware version on a new Lenovo ThinkSystem SN550 server to match with the other servers. Downgrade UEFI firmware version… Read More »
Unable to find the virtual machine backup error 4239 – VM backups are failing with 4239 error. When we receive this error, have tried to sign-in to the respective Windows vCenter whether it is accessible or not. I’m not able to connect to the vCenter server webclient from the browser (have tried connecting from Google… Read More »