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Man Pages
OCF_HEARTBEAT_NVMET() OCF_HEARTBEAT_NVMET()

ocf_heartbeat_nvmet-namespace - NVMe-oF target export agent

nvmet-namespace [start | stop | status | monitor | meta-data | validate-all]

Manages NVMe-oF namespaces. An NVMe-oF namespace is part of an NVMe-oF target. A namespace must be created after the subsystem. It is similar in concept to the LUN of an iSCSI target.

nqn
The NVMe Qualified Name (NQN) is used to identify the remote NVMe storage target. It is similar to an iSCSI Qualified Name (IQN). While it is a free-form string, you should follow the convention: nqn.2014-08.com.vendor:nvme:nvm-subsystem-sn-12345 You need to refer here to the NQN of an NVMe Subsystem your created with the NVMeSubsystem resource agent.

(unique, required, string, no default)

namespace_id

The NVMe namespace id (number).

(unique, optional, integer, default 1)

backing_path

The full path to the block device or file that should be exposed through this namespace.

(required, string, no default)

uuid

The UUID that should be exposed by NVMe. Create it using uuidgen. This is necessary for the initiators to accept the namespace from the new server after failover.

(unique, required, string, no default)

nguid

NGUID stands for Namespace Globally Unique Identifier. Seems to be optional, looks like e.g. VMWare ESXi7 uses it to identify namespaces. Use 'uuidgen' to create it.

(unique, optional, string, no default)

This resource agent supports the following actions (operations):

start

Starts the resource. Suggested minimum timeout: 10s.

stop

Stops the resource. Suggested minimum timeout: 10s.

status

Performs a status check. Suggested minimum timeout: 10s. Suggested interval: 10s.

monitor

Performs a detailed status check. Suggested minimum timeout: 10s. Suggested interval: 10s.

meta-data

Retrieves resource agent metadata (internal use only). Suggested minimum timeout: 5s.

validate-all

Performs a validation of the resource configuration. Suggested minimum timeout: 10s.

The following is an example configuration for a nvmet-namespace resource using the crm(8) shell:

primitive p_nvmet-namespace ocf:heartbeat:nvmet-namespace \
  params \
    nqn=string \
    backing_path=string \
    uuid=string \
  op monitor timeout="10s" interval="10s" depth="0" 

The following is an example configuration for a nvmet-namespace resource using pcs(8)

pcs resource create p_nvmet-namespace ocf:heartbeat:nvmet-namespace \
  nqn=string \
  backing_path=string \
  uuid=string \
  op monitor timeout="10s" interval="10s" OCF_CHECK_LEVEL="0" 

http://clusterlabs.org/

ClusterLabs contributors (see the resource agent source for information about individual authors)

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