Aneesh Pachilangottil 00cb2887ba NVMe-TCP volume driver for Fungible Storage

Add NVMe-TCP cinder volume driver for the Fungible Storage Cluster.

Implements: blueprint fungible-volume-driver
Change-Id: Ie3a8ef6694b1c6ac857d3314890f6b8eeef44bab

2023-01-22 23:35:04 +00:00

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Fungible Storage Driver

Fungible Storage volume driver provides OpenStack Compute instances with access to Fungible Storage Cluster.

This documentation explains how to configure Cinder for use with the Fungible Storage Cluster.

Driver requirements

Fungible Storage Cluster
FSC version >= 4.0
nvme cli version >= v1.13
The Block Storage Node should also have a data path to the Fungible Storage Cluster for the following operations:
- Copy volume to image
- Copy image to volume

Driver options

The following table contains the configuration options supported by the Fungible Storage driver.

cinder.volume.drivers.fungible.driver

Supported operations

Create, list, delete, attach and detach volumes
Create, list and delete volume snapshots
Copy image to volume
Copy volume to image
Create volume from snapshot
Clone volume
Extend volume

Configure Fungible Storage Cluster backend

This section details the steps required to configure the Fungible Storage cinder driver.

In the cinder.conf configuration file under the [DEFAULT] section, set the enabled_backends parameter.
```
[DEFAULT]
enabled_backends = fungible
```
Add a backend group section for the backend group specified in the enabled_backends parameter.

In the newly created backend group section, set the following configuration options:

[fungible]
# Backend name
volume_backend_name=fungible
# The driver path
volume_driver=cinder.volume.drivers.fungible.driver.FungibleDriver
# Fungible composer details
san_ip = <composer node VIP>
san_login = <composer username>
san_password = <composer password>
# List below are optional
nvme_connect_port = <nvme target endpoint port>
api_enable_ssl = True/False
iops_for_image_migration = <IOPS value>

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