vsphere-esxi-vcenter-server-55-storage-guide

Chapter 15 Managing Storage DevicesThe default timeout parameter on your host is 140 seconds. You can increase the value of the timeout if, forexample, storage devices connected to your ESXi host take longer than 140 seconds to recover from aconnection loss.NOTE If you change the timeout value while an APD is in progress, it will not effect the timeout for thatAPD.Procedure1 Browse to the host in the vSphere Web Client navigator.2 Click the Manage tab, and click Settings.3 Under System, click Advanced System Settings.4 Under Advanced System Settings, select the Misc.APDTimeout parameter and click the Edit icon.5 Change the default value.You can enter a value between 20 and 99999 seconds.Check the Connection Status of a Storage DeviceUse the esxcli command to verify the connection status of a particular storage device.In the procedure, --server=server_name specifies the target server. The specified target server prompts youfor a user name and password. Other connection options, such as a configuration file or session file, aresupported. For a list of connection options, see Getting Started with vSphere Command-Line Interfaces.PrerequisitesInstall vCLI or deploy the vSphere Management Assistant (vMA) virtual machine. See Getting Started withvSphere Command-Line Interfaces. For troubleshooting, run esxcli commands in the ESXi Shell.Procedure1 Run the esxcli --server=server_name storage core device list -d=device_ID command.2 Check the connection status in the Status: field.• on - Device is connected.• dead - Device has entered the APD state. The APD timer starts.• dead timeout - The APD timeout has expired.• not connected - Device is in the PDL state.VMware, Inc. 129