Proxmox VE 9.2 – sporadic iSCSI NOP timeouts / DID_TRANSPORT_DISRUPTED with Dell PowerVault ME5 and Intel E810

Hi, I am experiencing sporadic iSCSI connection interruptions on a Proxmox VE 9.2 host connected directly to a Dell PowerVault ME5224. The issue manifests as ISCSI_ERR_NOP_TIMEDOUT, followed by DID_TRANSPORT_DISRUPTED. The affected iSCSI session usually recovers automatically after a few seconds. The problem is intermittent. The system can run normally for a considerable amount of time before…