To empty it simply login to the appliance via ssh.
Vcenter appliance storage core full.
Over the period of time this can fill up the partition which inturn causes vcenter services to stop responding.
Storage core partition basically contains the core dumps generated on a event whenever a service crashes within the appliance.
Vmware vcenter 6 7 storage core full.
As you can see below the coredumps is full.
After installing or upgrading an external psc of vcenter server 6 5 the storage core directory is continuously filled to 100.
I found a useful article here which then link to this great article.
I ran into this issue recently when one of the vcenter appliances in my test environment triggered this alarm in the vsphere web client.
Vmware vcenter server appliance storage log full by gareth lewis in vcenter vcsa vsphere tutorials.
I had the above situation on 2 of the 3 vcenter appliances in the lab.
All 3 are running the latest 5 5 updates.
Logging into the vcsa via ssh and running df h showed that the storage core area was indeed 100 utilized.
Vcenter may act sluggish.
This repeats every 4 5 hours.
If the security toke service vmware stsd crashes causing the storage core directory to fill up see secure token service vmware stsd in vcenter server 6 7 u1 crashes with core jsvc xxx files causing storage core to fill up.