# Aiven: Aiven Dynamic Disk Sizing (DDS) failures

- Impact (vendor’s label): major
- Status: resolved
- Started: 2026-07-29 14:29 UTC · Resolved: 2026-07-29 17:07 UTC · Duration: 2.6 h
- Updates: 3 · Affected components: Aiven
- [Vendor status page: https://status.aiven.io/incidents/01KYQ4F5YRVX37CD90CPZMBZZJ](https://status.aiven.io/incidents/01KYQ4F5YRVX37CD90CPZMBZZJ)
- [Company: Aiven](https://rewindex.com/company/aiven.md)

## Summary

Aiven reported a major Dynamic Disk Sizing (DDS) incident: resize operations could fail for a small subset of newly created nodes. It ran from 2026-07-29 14:29 UTC to 2026-07-29 17:07 UTC, lasting 2 h 37 min. Aiven mitigated all impacted nodes and deployed a fix to prevent recurrence. _(machine-written, sol)_
## Timeline of updates

- **investigating** 2026-07-29 14:29 UTC: We are investigating an issue affecting Dynamic Disk Sizing (DDS), where resize operations may fail for a small subset of newly created nodes. Mitigations are currently underway.
- **identified** 2026-07-29 15:17 UTC: Issue has been identified and fixes are being applied. Thank you for your patience.
- **resolved** 2026-07-29 17:07 UTC: Our team has successfully applied the appropriate mitigation to all impacted nodes, and the fix has been deployed to prevent future occurrences.

## Rewindex changes for this incident

- 2026-07-29 14:29 UTC: [Major incident: Aiven Dynamic Disk Sizing (DDS) failures](https://rewindex.com/change/i9d98fb589e9e68.md)


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Canonical: https://rewindex.com/company/aiven/incidents/01KYQ4F5YRVX37CD90CPZMBZZJ · Markdown: https://rewindex.com/company/aiven/incidents/01KYQ4F5YRVX37CD90CPZMBZZJ.md · JSON: https://rewindex.com/api/v1/companies/aiven/incidents/01KYQ4F5YRVX37CD90CPZMBZZJ · Generated 2026-10-18T10:41:46.211Z