#maintenance
- #alerting
- #architecture
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- #concept
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- #runbook
- #security
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- #subnets
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- #useful-work
Swapping a Node in a Subnet
Replace a poorly performing assigned node with an unassigned node owned by the same operator using swap-node-in-subnet-directly — no NNS proposal required.
Migrating a Node Operator Record
Consolidate or rotate node operator principals with migrate-node-operator-directly — atomically moving nodes and allowance onto a new operator record, with no NNS proposal and no hardware changes.
Updating a Node's IPv4 Address and Domain Name
Two procedures — IC-OS reinstall and a non-disruptive dfx call — for updating the public IPv4 address and domain name of an existing node.
Updating Node Firmware
How to obtain firmware packages from the server vendor — chiefly Dell — and the support-ticket workflow for getting direct download links.
Removing a Node From the Registry
How to remove a node's record from the registry when its allowance is full and the underlying machine has been hardware-replaced or retired.
Node Provider Maintenance Guide
Day-to-day responsibilities for keeping node machines healthy on the Internet Computer — monitoring, common maintenance tasks, scheduled outages, and peer support.
Moving a Node Between Data Centers
The six-step sequence for relocating a node machine to a new data center while keeping operator allowances and reward configurations consistent.
iDRAC Access and TSR Logs
How to reach the iDRAC out-of-band controller on Dell node machines and pull a Technical Support Report (TSR) for hardware diagnosis.
Gen-1 Node Onboarding After 48 Months
How Gen-1 node providers continue earning rewards beyond their initial 48-month window, including reward reconfiguration, optional HSM removal, and excess machine handover.
Checking Node CPU and Memory Speed
How to use a live Ubuntu USB and sysbench to measure memory bandwidth on a node, plus the firmware and BIOS fixes for known underperforming configurations.
Changing the Node Provider or Data-Center Principal
NNS proposal procedures for replacing a lost or transferred node provider principal, replacing a corrupted node operator HSM, and updating data-center principal records.
Changing the IPv6 Addresses of Nodes
Why an IPv6 change forces a node redeployment, and the safe sequence for retiring the old node and bringing the replacement online.
Adding Additional Node Machines to an Existing Allowance
How an existing node provider with unused allowance brings additional node machines onto the network without going through the full onboarding flow.