Just the other day, I had the “privilege” of P2V’ing some really old CentOS 3.7 and 3.8 physical servers. The process certainly had it’s challenges. Here is how I did it. Very old distributions of Linux will not support any of the virtual SCSI controllers provided to the guest by vSphere. You need to firstly convert the disks to IDE, …
P2V old linux distributions with VMware Converter Read More »
You’ve turned on SSH, and even enabled the firewall profile for SSH. But for some reason you still can’t SSH into the ESXi server and get a “Connection Refused” message back when hitting port 22. You’ve also checked your corporate firewall and that’s it’s not blocking comms. Have a look in Tasks and Events to see if the server’s ramdisk …
Say you deploy a new SAN, and you’re in the process of migrating all your VM’s from the old datastores to the new. When you go to add the new datastores, ESX sets the incorrect pathing policy so now you have to go change it on each and every datastore, on each and every ESX server. I’ve had to go …
PowerCLI script for changing pathing policy en masse Read More »
Lately i’ve run into a strange issue where an ESXi server gets into a state where VMs running on it are not able to be migrated to other ESXi servers. This is the error that comes up when you try to vMotion the problematic VMs. A general system error occured: Virtual machine must be running in order to be migrated. …
Virtual machine must be running in order to be migrated Read More »
We’re using HP BL495c G6 blades with ESXi 4.0 U1, and the onboard NICS are disconnecting randomly upon reboot. Sometimes it happens after a single reboot, other times it takes 4 to cause the issue. The server uses the HP NC532i embedded NIC which is a rebadged Broadcom 57711E. In ESXi, the NIC uses the bnx2x driver. Things tried that …
ESXi NIC disconnection issues with the HP NC532i Read More »