Network Disruption for NTU Users Accessing ASPIRE 2A & ASPIRE 2A+​

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Dear NTU Users,

We would like to inform you that there is currently a network disruption affecting access to the ASPIRE 2A and ASPIRE 2A+ systems. The NTU team is working closely with NSCC to resolve the issue as soon as possible.

Cause of Disruption:
Network connectivity issue between NSCC and NTU.


Impact of the Disruption:
All NTU users are unable to access the ASPIRE 2A and ASPIRE 2A+ system.


If you have any questions or require assistance, please contact the NTU Helpdesk via [email protected].

Thank you for your understanding.

Warm regards,
The NSCC Team

Urgent Scheduled Maintenance of Job and Visualization Portals for ASPIRE 2A & ASPIRE 2A+

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Dear NSCC Users,

We wish to inform you of an upcoming urgent scheduled system maintenance for the Job and Visualization portals of ASPIRE 2A and ASPIRE 2A+ to patch security vulnerabilities and ensure their long-term reliability, security, and stability.

Maintenance Details:

  • Start: 17 March 2026 (Tuesday), 9:00 AM SGT
  • End: 17 March 2026 (Tuesday), 11:00 AM SGT
  • Duration: 2 hours

Purpose:

  • To upgrade the Altair Access components to patch the security vulnerabilities.

Impact During the Maintenance Period:

  • During the maintenance window, users will not be able to log in to the Job and Visualization portals of ASPIRE 2A and ASPIRE 2A+.
  • You may continue to access the HPC systems via your respective institution’s login nodes.

We apologise for any inconvenience this may cause and thank you for your understanding. Should you have any questions or need assistance, please contact our Helpdesk via the Service Desk Portal or email us at [email protected].

Thank you.

Warm regards,
The NSCC Team

[Completed] Urgent Scheduled Maintenance for NSCC VPN Service on 23 January, 2PM to 6PM

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Dear NSCC Users,

We are pleased to announce that the urgent scheduled system maintenance for NSCC VPN Service has been completed. 


Follow-up Action After the Maintenance:
To avoid authentication issues after the upgrade, please ensure your Duo Mobile app is updated to version 4.85.0 or later by 6 February 2026 (Thursday).

Should you have any questions or need assistance, please contact our Helpdesk via the Service Desk Portal or email us at [email protected].

Thank you.

Warm regards,
The NSCC Team

Urgent Scheduled Maintenance for NSCC VPN Service on 23 January, 2PM to 6PM

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Dear NSCC Users,

We wish to inform you of an upcoming urgent scheduled system maintenance for NSCC VPN Service to enhance its long-term reliability, uptime, and stability.

Maintenance Details:

  • Start: 23 January 2026 (Friday), 2:00 PM SGT
  • End: 23 January 2026 (Friday), 6:00 PM SGT
  • Duration: 4 hours

Purpose:
To upgrade the Duo Authentication components to meet the required minimum supported version.


Impact During the Maintenance Period:

  • During the maintenance window, users will not be able to log on to the NSCC VPN client.
  • Existing VPN sessions established before 2:00 PM SGT will remain active. Users on those sessions will continue to have access to the HPC systems via VPN during the maintenance period.
  • You may continue to access the HPC systems via your respective institution’s login nodes.


Follow-up Action After the Maintenance:
To avoid authentication issues after the upgrade, please ensure your Duo Mobile app is updated to version 4.85.0 or later by 6 February 2026 (Thursday).

Should you have any questions or need assistance, please contact our Helpdesk via the Service Desk Portal or email us at [email protected].

Thank you.

Warm regards,
The NSCC Team

[Completed] ASPIRE 2A and ASPIRE 2A+ Scheduled System Maintenance from 3 Dec 2025, 9am to 8 Dec 2025, 1pm

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Dear Users,

We are pleased to announce that the ASPIRE 2A and ASPIRE 2A+ scheduled system maintenance has been completed. You may proceed to use the systems as per usual.
 
Should you have any questions or need assistance, please contact our Helpdesk via the Service Desk Portal or email us at [email protected].
 

Thank you.

Warm regards,

The NSCC Team

 

[Resolved] Service Disruption for Users Accessing ASPIRE 2A​ on 27 Nov 2025

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Dear ASPIRE 2A Users,

 

We are pleased to inform you that the issue with the GPFS storage system issue has been resolved as of 8:00 PM, 27 Nov 2025. You may proceed to login to the ASPIRE 2A system as per normal.

 

We apologise for any inconvenience this may cause and thank you for your understanding. 

Should you have any questions or need assistance, please contact our Helpdesk via the Service Desk Portal or email us at [email protected].

 
Thank you.

 

Warm regards,

The NSCC Team

Service Disruption for Users Accessing ASPIRE 2A on 27 November 2025

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Dear ASPIRE 2A Users,

We wish to inform you that there is a service disruption on the ASPIRE 2A system. Our team is diligently investigating the issue and working towards a swift resolution.

  • Start Time: 1:50 PM, 27 November 2025

  • Type: Priority 1 outage

Cause of Disruption:

  • Issues with the GPFS storage system.

Impact of the Disruption:

  • All users are currently unable to access the ASPIRE 2A system.

  • Project and home user storage are not accessible.

We apologise for the disruption and are treating this with the highest priority.

Should you have any questions or need assistance, please contact our Helpdesk via the Service Desk Portal or email us at [email protected] if you have any questions.

 

Thank you.

 

Warm regards,

The NSCC Team

 

[Resolved] Service Disruption for Users Accessing ASPIRE 2A​

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Dear ASPIRE 2A Users,

 

We are pleased to inform you that the issue with the GPFS storage system issue has been resolved as of 10:15 PM, 13 Nov 2025. You may proceed to login to the ASPIRE 2A system as per normal.

 

We apologise for any inconvenience this may cause and thank you for your understanding. Should you have any questions or need assistance, please contact our Helpdesk via the Service Desk Portal or email us at [email protected].

 
Thank you.

 

Warm regards,

The NSCC Team

Service Disruption for Users Accessing ASPIRE 2A on 13 November 2025

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Dear ASPIRE 2A Users,

We wish to inform you that there is a service disruption on the ASPIRE 2A system. Our team is diligently investigating the issue and working towards a swift resolution.

  • Start Time: 11:00 AM, 13 November 2025

  • Type: Priority 1 outage

Cause of Disruption:

  • Issues with the GPFS storage system.

  • Multiple interface connection issue was detected on the GPFS storage cluster.

Impact of the Disruption:

  • All users are currently unable to access the ASPIRE 2A system.

  • Project and home user storage are not accessible.

We apologise for the disruption and are treating this with the highest priority.

Should you have any questions or need assistance, please contact our Helpdesk via the Service Desk Portal or email us at [email protected] if you have any questions.

 

Thank you.

 

Warm regards,

The NSCC Team

 

ASPIRE 2A and ASPIRE 2A+ Scheduled System Maintenance from 3 Dec 2025, 9am to 8 Dec 2025, 1pm

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Dear Users,
 
Please note that the ASPIRE 2A and ASPIRE 2A+ systems will be undergoing a scheduled system maintenance from 3 Dec 2025, 9am to 8 Dec 2025, 1pm​. The scheduled system maintenance is to ensure long term reliability, uptime and stability of the systems. 
 
Do take note of the following dates. 

 

ASPIRE 2A Maintenance activities:
  1. GPFS Storage Upgrade.
  2. ClusterStor (Lustre) Upgrade
  3. PBS Pro Version Upgrade to 2025.2.
  4. Firmware Upgrade
  5. Faulty Hardware Replacement
  6. CDU Maintenance.
  7. System Health Check.
ASPIRE 2A+ Maintenance activities:
  1. Lustre Parallel Filesystem Storage Firmware and Software Update.
  2. Nvidia GPU Driver Update.
  3. PBS Pro Version Upgrade to 2025.2.
  4. System Health Check.

Thank you.

Warm regards,

The NSCC Team