feat(nvmf): adding support for configuring target CRD #1491
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dsavitskiy
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When nexus Bdev is destroyed, SPDK sends out SPDK_BDEV_EVENT_REMOVE event. In response to this event, SPDK NVMF subsystem removes the corresponding namespace. When io-engine destroys the subsystem, it first stops it. Sometimes, the event for destroying nexus Bdev arrives before the subsystem is destroyed but it is stopped, which leads to an assertion in SPDK (actual_old_state == expected_old_state). Signed-off-by: Dmitry Savitskiy <[email protected]>
Signed-off-by: Dmitry Savitskiy <[email protected]>
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Could you please put some description in the description box of this PR about the rationale behind this change? |
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This PR adds support to allow to specify target CRDT (Command Retry Delay) via CLI/env, to prevent immediate initiator failure when a nexus fails when the last nexus child fails. This provides a period to allow control plane to recreate the nexus. The default is set to 30 sec.