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How does the system know an AoE device has failed?

April 26, 2017aoe device failed system

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How does the system know an AoE device has failed?

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When an AoE target cannot complete a requested command it will indicate so in the response to the failed request. The Linux aoe driver will mark the AoE device as failed upon reception of such a response. In addition, if an AoE target has not responded to a prior request within a default timeout (currently three minutes) the aoe driver will fail the device.