Linux CPU Hotplug in VMware

Prerequisites: CPU Hotplug is activated: VMware: Edit Settings -> Options -> Memory/CPU Hotplug -> CPU Hotplug Note: You can only add CPU sockets. If you have configured more e.g. 4 cores per socket you can only add cores in steps of 4 Adding CPUs: Raise the assigned sockets in the settings Activate the added cores…

Linux Memory Hotplug in VMware

Prerequisites: Memory Hotplugging is activated for the VM: VMware: Edit Settings -> Options -> Memory/CPU Hotplug -> Memory Hot Add Kernel module acpi_memhotplug is loaded Memory expansion: Raise assigned memory in the VM settings RAM has to be taken online in the VM. For this execute the script below cd /sys/devices/system/memory for i in memory*…

vCenter SSO Upgrade Error 1603

Two days after release of vSphere 5.5 i have tried the upgrade of our vCenter and it was not a “Next-Next-Finish” thing. During the upgrade of the SSO service a rollback happens and the only thing i found in the logfiles was a cryptic error 1603. After a longer search i found a thread in…