[Completed] Urgent Scheduled Maintenance for NSCC VPN Service on 9 May 2025, 3PM to 6PM

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Dear NSCC Users,
 
We are pleased to announce that the urgent scheduled system maintenance on the NSCC VPN Service has been completed.
 
Impact to NSCC VPN Users:
  • There is a change to the VPN server URL for users accessing the HPC system. Kindly refer to the follow-up email for more information.

    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 for your understanding and patience.

    Warm regards,
    The NSCC Team

    Urgent Scheduled Maintenance for NSCC VPN Service on 9 May 2025, 3PM 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: 9 May 2025 (Monday), 3:00 PM SGT
    • End: 9 May 2025 (Monday), 6:00 PM SGT
    • Duration: 3 hours

    Purpose:

    • To perform SSL Certificate renewal on NSCC VPN Server.

    Impact During the Maintenance Period:

    • During this period, VPN users may experience slight disruption on the NSCC VPN connection.

    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] if you have any questions.

    Thank you for your understanding and patience.

    Warm regards,
    The NSCC Team

    ASPIRE 2A and ASPIRE 2A+ Scheduled System Maintenance from 29 May 2025, 1pm to 2 Jun 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 29 May 2025, 1pm to 2 June 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. PBS Pro Version Upgrade to 2025.2.
    3. Faulty Hardware Replacement.
    4. CDU Coolant Maintenance.
    5. Bug Fixes on the Utility Tools.
    6. System Health Check.
    ASPIRE 2A+ Maintenance activities:
    1. Lustre Parallel Filesystem Storage Firmware Update.
    2. DCGMI Permission Change.
    3. Nvidia GPU Driver Patch.
    4. Hardware Firmware Upgrade
    5. PBS Pro Version Upgrade to 2025.2.
    6. System Health Check.

    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. 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] if you have any questions.

    Thank you.

    Warm regards,

    The NSCC Team

    Service Disruption for Users Accessing ASPIRE 2A

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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 swirft resolution. 

    Cause of Disruption:

    • Issues with the GPFS storage system.

    Impact of the Disruption:

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

    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] if you have any questions.

    Thank you.

    Warm regards,

    The NSCC Team

    [Completed] Rescheduled to 28 March 2025: Urgent Scheduled Maintenance for ASPIRE 2A on 17 March 2025, 9AM to 7PM

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    Dear ASPIRE 2A Users,

    We are pleased to announce that the ASPIRE 2A urgent 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] if you have any questions.

    Thank you for your understanding and patience.

    Warm regards,
    The NSCC Team

    Update on Cybersecurity Enhancement: Implementation of Security Intelligence Filtering on 21 Feb 2025

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    Dear Users,

    NSCC has received numerous requests regarding access restrictions to Hugging Face services and URLs due to our recently implemented Security Intelligence Filtering. In response, we have reviewed the matter and whitelisted access to Hugging Face services.

    Users can now access the Hugging Face services and URLs without restriction from the HPC system. If you continue to experience any access issues, please contact our Helpdesk via the Service Desk Portal or email us at [email protected] for assistance.

    Thank you for your patience and understanding as we enhance our cybersecurity measures.

    Warm regards,

    The NSCC Team

    Rescheduled to 28 March 2025: Urgent Scheduled Maintenance for ASPIRE 2A on 17 March 2025, 9AM to 7PM

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    Dear ASPIRE 2A Users,

    We wish to inform you that the upcoming urgent scheduled system maintenance for ASPIRE 2A has been rescheduled to 28 March 2025 (Friday). 

    Maintenance Details:

    • Start: 28 March 2025 (Friday), 9:00 AM SGT
    • End: 28 March 2025 (Friday), 7:00 PM SGT
    • Duration: 10 hours

    Purpose:

    • To replace the faulty Cooling Distribution Unit (CDU) Pump

    Impact During the Maintenance Period:

    • Unavailable Compute Resources: 66% of CPU compute nodes.
    • Users may also experience some slight disruption or performance degradation on the storage operation for a short period of time.

    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] if you have any questions.

    Thank you for your understanding and patience.

    Warm regards,
    The NSCC Team

    Urgent Scheduled Maintenance for ASPIRE 2A on 17 March 2025, 9AM to 7PM

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    Dear ASPIRE 2A Users,

    We wish to inform you of an upcoming urgent scheduled system maintenance for ASPIRE 2A to enhance its long-term reliability, uptime, and stability.

    Maintenance Details:

    • Start: 17 March 2025 (Monday), 9:00 AM SGT
    • End: 17 March 2025 (Monday), 7:00 PM SGT
    • Duration: 10 hours

    Purpose:

    • To replace the faulty Cooling Distribution Unit (CDU) Pump

    Impact During the Maintenance Period:

    • Unavailable Compute Resources: 66% of CPU compute nodes.
    • Users may also experience some slight disruption or performance degradation on the storage operation for a short period of time.

    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] if you have any questions.

    Thank you for your understanding and patience.

    Warm regards,
    The NSCC Team

    [Completed] Urgent Scheduled Maintenance for ASPIRE 2A+ on 7 March 2025, 3PM to 6.30PM

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    Dear ASPIRE 2A+ Users,

    We are pleased to announce that the ASPIRE 2A+ urgent 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] if you have any questions.

    Thank you for your understanding and patience.

    Warm regards,

    The NSCC Team

    Dear ASPIRE 2A+ Users,

    We wish to inform you of an upcoming urgent scheduled maintenance on the ASPIRE2A+ system. This maintenance is essential to ensure the continued reliability and performance of our services.

    Maintenance Details:

    • Start: 7 March 2025 (Friday), 3:00 PM SGT
    • End: 7 March 2025 (Friday), 6:30 PM SGT
    • Duration: 3.5 hours

    Purpose:

    • To perform a service failover activity on the system.

    Impact During the Maintenance Period:

    • During this period, you may experience a slight disruption in service. Specifically, you may not be able to submit jobs for a short period while the system is being normalised.

    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] if you have any questions.

    Thank you for your understanding and patience.

    Warm regards,

    The NSCC Team