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ESX4: VMs ‘disconnected’ state in vcenter after loosing paths to storage

April 19, 2012

ESX can sometimes act realy strange when it notices problems with multipathing. In this case we lost a few paths to our storage box. In vCenter all VMs started to switch to disconnected state. Note that all the VMs stayed online, just the management was lost. Here is the fix:

vkmfstools -L lunreset /vmfs/device/disks/naa...
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