View source for Hardware:Status

'''This page shows information about the status of systems at the Centre for Advanced Computing.''' 
It will be updated with additional information as new events arise.

{| class="wikitable" style="float:left; margin-right: 25px;"
!colspan="5"| '''System Status Messages'''
|-
| '''Date'''
| '''Affected systems'''
| '''Details/reason'''
| '''Resolution'''
|-
| 22/01/22 - 8-4:30 
| Frontenac Cluster
| Onsite Power work
| Electrical work will require Frontenac Cluster to run off of generator. No disruptions are expected.
|-
|-
| 07/09/2019 - 9.30 am
| caclogin03
| caclogin03 down
| login node requires reboot after becoming non-responsive . Re-booted and updated this host
|-
|-
| 07/02/2019 - 9.40 am
| caclogin04
| caclogin04 unresposive
| login node requires reboot after becoming un-responsive . Reboot fixed the issue and updated this host
|-
|-
| 05/17/2019 - 11 am
| caclogin03
| caclogin03 down
| login node requires reboot after becoming non-rseponsive , reboot resolved the issue
|-
| 02/27/2019 - 10 am
| caclogin02
| caclogin02 VM down
| login traffic directed to caclogin03/4, rebooted resolved issue
|-
| 12/10/2018 - 8 am
| caclogin02
| caclogin02 VM down
| login traffic directed to caclogin03/4
|-
| 12/04/2018 - 8 pm
| caclogin03/04
| issues with login nodes; caclogin02 works
| resolved after reboot
|-
| 10/29/2018 - 4 pm
| caclogin03
| / file system full
| resolved
|-
| 08/06/2018 - 08/10/2018
| Cluster downtime
| Scheduled filesystem upgrade
| planned downtime
|-
| 07/12/2018 - 10:30 AM
| GPFS outage
| Filesystem temporarily unavailable
| resolved
|-
| 06/27/2018 - 9:00 AM
| Login node shutdown
| Maintenance (unscheduled)
| node back in service
|-
| 06/20/2018 - 8:00 AM
| Login node non-responsive
| Cause : out of memory
| resolved, login restored (take-down, reboot)
|-
| 05/01/2018 - 9:00 AM
| Scheduler maintenance
| Scheduled upgrade/downtime of scheduler
| resolved
|-
| 04/23/2018 - 7:00 AM
| Frontenac login node
| login issues, reboot
| functional after reboot
|-
| 04/19/2018 - 3:30 PM
| Frontenac login node
| lost access to file system, reboot
| resolved after reboot
|-
| 03/16/2018 - 11:00 AM
| Scheduler upgrade
| Scheduled upgrade/downtime of scheduler
| Upgrade complete, working on x11 support
|-
| 01/28/2018 - 5:00 AM
| Frontenac login node caclogin02
| Node went down out of schedule
| login restored, investigating causes
|-
| 01/18/2018 - 11:30 AM
| Frontenac login node caclogin01
| Out-of-schedule shutdown / reboot (~45min)
| updates / maintenance
|-
| 11/21/2017 - 11:00 PM
| Frontenac (all nodes)
| Temporary unmount of /global file system
| re-mounted, file system accessible
|-
| 10/30/2017 - 8:00 AM
| multiple production nodes unreachable
| scheduler lost contact to production nodes
| nodes will be transfered to Frontenac
|-
| 10/30/2017 - 8:00 AM
| swlogin1 (login node)
| No login possible
| login restored
|-
| 10/03/2017 - 8:00 AM
| head-6b
| disk array at near capacity
| working on reducing usage
|-
| 10/02/2017 - 8:00 AM
| head-6b
| disk array full
| partly resolved (freed 4 TB)
|-
| 7/13/2017 - 10:00 AM
| swlogin1
| unreachable through ssh
| resolved
|-
| 7/13/2017 - 8:00 AM
| caclogin01
| temporary maintenance shutdown
| back up 
|-
|}