Monitoring - With the implementation of a new autocleaning process on the scratch/nobackup filesystem last month we have now resolved the associated storage capacity issues related to this incident.
Unfortunately, some workloads will still be experiencing reduced read performance depending on other activity on the system - if you notice highly variable or poor IO performance then please report it to support as we may be able to assist with workarounds.
There are several pieces of work in progress to improve IO performance on the new platform based on learnings from the first 6 months of operations, including an expansion of SSD/NVMe capacity. We will make an announcement soon providing some additional details on this and also update documentation to reflect important considerations for users.
Jan 15, 2026 - 11:57 NZDT
Unfortunately, some workloads will still be experiencing reduced read performance depending on other activity on the system - if you notice highly variable or poor IO performance then please report it to support as we may be able to assist with workarounds.
There are several pieces of work in progress to improve IO performance on the new platform based on learnings from the first 6 months of operations, including an expansion of SSD/NVMe capacity. We will make an announcement soon providing some additional details on this and also update documentation to reflect important considerations for users.
Jan 15, 2026 - 11:57 NZDT
Update - There has been a period of IO stalls this morning as we've dealt with some storage hardware failures. That issue is now resolved, however space reclamation continues in the backend and is having a detrimental impact on read performance. We are working with WEKA support to look at mitigation options. Apologies for the performance impact - if your jobs are impacted and need a runtime limit extension then please reach out to support.
Nov 24, 2025 - 12:44 NZDT
Nov 24, 2025 - 12:44 NZDT
Identified - Our storage system is currently very full and this is forcing the backend object storage to undertake some urgent administration by way of defragmentation. This increased load is having a detrimental affect on I/O performance, especially read I/O, and this is likely to continue for some days. We are urgently looking at ways to mitigate this. Researchers could help alleviate this in the short term by cleaning up any unwanted files and data as soon as possible please.
Nov 21, 2025 - 12:29 NZDT
Nov 21, 2025 - 12:29 NZDT
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This page shares the system status of REANNZ's advanced computing platform and storage services.
To view the status of REANNZ's network services, visit: https://reannz.status.io
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Automatic cleaning launched for scratch filesystem (/nesi/nobackup) - Announcement Nov 20, 2025 09:00 - Nov 21, 2025 09:00 NZDT
Update -
The scratch autocleaner is now underway, doing its first round of file deletions. The next deletion run will start on Dec 17th,, once that is completed we will suspend the autocleaner over the Christmas holiday period. Then it will start again with a scan on Jan 14th, followed by the file deletions two weeks later. From there it will run every two weeks. If you have any issues please contact support @nesi.org.nz.
Dec 05, 2025 - 10:43 NZDT
Dec 05, 2025 - 10:43 NZDT
Scheduled -
As announced earlier, we’ve re-activated an automatic cleaning process for temporary data stored on our scratch filesystem (/nesi/nobackup). Project members with files scheduled for deletion were notified by email (Subject to their my.nesi.org.nz Notification preferences. To confirm or adjust what notifications you receive, follow these instructions: https://docs.nesi.org.nz/Getting_Started/my-nesi-org-nz/Managing_notification_preferences/)
Files will be deleted on Wednesday 03 December (two weeks from yesterday's email notification). For more details on how the auto-deletion process works, visit:
https://docs.nesi.org.nz/Storage/File_Systems_and_Quotas/Automatic_cleaning_of_nobackup_file_system/
If you have files identified as candidates for deletion that you need to keep beyond the scheduled expiry date, you can move them to your project directory or to Freezer, our long-term storage service. However, if you plan to move more than 2 TB of data or if you need to increase your project directory quota, email support@nesi.org.nz so that we can discuss your storage needs and assist you.
Nov 20, 2025 - 08:44 NZDT
Files will be deleted on Wednesday 03 December (two weeks from yesterday's email notification). For more details on how the auto-deletion process works, visit:
https://docs.nesi.org.nz/Storage/File_Systems_and_Quotas/Automatic_cleaning_of_nobackup_file_system/
If you have files identified as candidates for deletion that you need to keep beyond the scheduled expiry date, you can move them to your project directory or to Freezer, our long-term storage service. However, if you plan to move more than 2 TB of data or if you need to increase your project directory quota, email support@nesi.org.nz so that we can discuss your storage needs and assist you.
Nov 20, 2025 - 08:44 NZDT