[pve-devel] Question about Storage Plug-in and failover architecture

[pve-devel] Question about Storage Plug-in and failover architecture

[Jain, Piyush via pve-devel]

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From: "Jain, Piyush" <piyush.jain@hpe.com>
To: "pve-devel@lists.proxmox.com" <pve-devel@lists.proxmox.com>
Subject: Question about Storage Plug-in and failover architecture
Date: Tue, 20 Aug 2024 12:07:05 +0000
Message-ID: <PH0PR84MB1408B5C6DFA64C172D87AD26E48D2@PH0PR84MB1408.NAMPRD84.PROD.OUTLOOK.COM>

Hello Team,

I am new to the community, and I have few basic questions that I would like to clarify:


  1.  Can you share details on how to develop a storage plugin for Proxmox?
  2.  Can you also share some more details how do achieve replication of virtual machines between to different datacentres running Proxmox clusters to provide site failover?


Thanks
Piyush Jain

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Re: [pve-devel] Question about Storage Plug-in and failover architecture

[Dominik Csapak]

On 8/20/24 14:07, Jain, Piyush via pve-devel wrote:
> 
> Hello Team,
> 

Hi, sorry for the late answer.

> I am new to the community, and I have few basic questions that I would like to clarify:
> 
> 
>    1.  Can you share details on how to develop a storage plugin for Proxmox?)

Some information can be found here: https://pve.proxmox.com/wiki/Storage_Plugin_Development
If there is some more specific questions, you can ask here on the pve-devel mailing list

>    2.  Can you also share some more details how do achieve replication of virtual machines between to different datacentres running Proxmox clusters to provide site failover?
> 

currently we only support guest replication only within one cluster and only on zfs

but what do you want to achieve exactly?

with shared storage (as in, available on more hosts in the cluster simultaneously), our ha
stack can fail over the guests to other nodes in case a node looses quorum

so if your storage is 'shared', there shouldn't be anything special to be done

hope this helps
kind regard
Dominik


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