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VMWare ESXi datastore disabled while the system is up

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linux-howto

http://serverfault.com – Yesterday, I had a ESXi server working. Total memory required by the deployed virtual machines is higher than the physical RAM. The disk also has a few Gigabytes of free capacity. Today my server stopped normal operation! According the to Performance reports, memory usage exceeded the physical memory and the disk has not enough free space to swap it. In 'Configuration > Storage' , the datastore is disabled and is not accessible. SSH connection to ESXi is possible, however, any disk command takes a long time to execute (e.g. df). I tried to halt some VMs to free up some memory. But the 'Power (HowTos)