---
okf_version: "0.2"
title: "Downtime notices"
description: "Planned maintenance and service interruptions affecting UNM CARC systems."
type: Reference
tags:
  - Systems
  - Status
  - Maintenance
notices:
  - anchor: carc-system-updates
    title: "CARC system updates: December 2–3"
    status: scheduled
    start: "2026-12-02T00:00:00-07:00"
    end: "2026-12-04T00:00:00-07:00"
  - anchor: easley-cooling-system-repairs
    title: "Easley cooling-system repairs: October 14–15"
    status: scheduled
    start: "2026-10-14T00:00:00-06:00"
    end: "2026-10-16T00:00:00-06:00"
  - anchor: firewall-upgrade
    title: "Firewall upgrade: September 28–30"
    status: scheduled
    start: "2026-09-28T15:00:00-06:00"
    end: "2026-10-01T00:00:00-06:00"
sources:
  - id: carc-web
    resource: "https://carc.unm.edu/systems/downtime-notices.html"
    title: "Downtime notices (CARC legacy website)"
    author: "team:unm-carc"
---

# Downtime notices

This page lists planned maintenance and service interruptions that may affect
CARC users. Details may change as work progresses; check back before a planned
maintenance window.

## Scheduled maintenance

<span id="carc-system-updates"></span>

### CARC system updates

**December 2-3, 2026**

CARC systems will be unavailable for two days while servers are updated.
Services are expected to be restored by the end of Thursday, December 3.

<span id="easley-cooling-system-repairs"></span>

### Easley cooling-system repairs

**October 14-15, 2026**

Half of the Easley compute nodes will be unavailable while we perform repairs
on the cooling system.

<span id="firewall-upgrade"></span>

### Firewall upgrade

**September 28th Starting at 3:00pm – September 30th, 2026**

Expect frequent and prolonged interruptions to network traffic to and from
CARC throughout the maintenance period. This will affect SSH logins, Open
OnDemand, the CARC Help Desk ticket system, ColdFront, and other
network-dependent services.