[pve-devel] How does proxmox handle loss of connection / reboot of iSCSI storage

[pve-devel] How does proxmox handle loss of connection / reboot of iSCSI storage

[Lorne Guse via pve-devel]

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From: Lorne Guse <boomshankerx@hotmail.com>
To: Proxmox VE development discussion <pve-devel@lists.proxmox.com>, "m.carrara@proxmox.com" <m.carrara@proxmox.com>
Subject: How does proxmox handle loss of connection / reboot of iSCSI storage
Date: Fri, 26 Sep 2025 02:06:13 +0000
Message-ID: <DM6PR17MB34665CA6AB7E651E1675C791D01EA@DM6PR17MB3466.namprd17.prod.outlook.com>

RE: TrueNAS over iSCSI Custom Storage Plugin

TrueNAS has asked me to investigate how Proxmox reacts to reboot of the storage server while VMs and cluster are active. This is especially relevant for updates to TrueNAS.

>The one test we'd like to see work is reboot of TrueNAS node while VMs and cluster are operational… does it it "resume" cleanly? A TrueNAS software update will be similar.

I don't think the storage plugin is responsible for this level of interaction with the storage server. Is there anything that can be done at the storage plugin level to facilitate graceful recovery when the storage server goes down?


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Lorne Guse

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