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OceanStor 2200 V3 and 2600 V3 Storage System V300R005 SmartVirtualization Feature Guide 07

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After an HP P6500 Storage System Is Powered On After a Power Failure, eDevLUNs for External LUNs Are Still In the Fault State on DeviceManager for the Local Storage System

After an HP P6500 Storage System Is Powered On After a Power Failure, eDevLUNs for External LUNs Are Still In the Fault State on DeviceManager for the Local Storage System

Symptom

When a local storage system is connected to an HP P6500 storage system, DeviceManager for the local storage system displays the eDevLUNs for mapped external LUNs. After the HP P6500 storage system is powered on after a power failure, the eDevLUNs are still in the Fault state.

Possible Causes

After the disk enclosures of an HP P6500 storage system are powered on after a power failure, the local storage system reports a link disconnection and reconnection event. Because remote LUNs are not ready, the local storage system does not detect external LUNs after delivering a LUN scan command to the heterogeneous storage system. In addition, the local storage system does not detect external LUNs also when it does not detect a change in the status of external LUNs.

Procedure

  1. In the management software for the HP P6500 storage system, check whether the disk enclosures have been successfully powered on.

    • If yes, go to Step 2.
    • If no, wait for the disk enclosures to be completely powered on.

  2. In DeviceManager for the local storage system, manually start a scan for external LUNs.
  3. Check whether eDevLUNs restore to the normal state.

    • If yes, no further action is required.
    • If no, keep the fault environment intact and contact technical support engineers.

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Updated: 2018-12-29

Document ID: EDOC1000106155

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