Backblaze: Elevated Errors for B2 Cloud Storage in US East
Timeline of updates
- updateDeleted by the vendor
Cluster 005 Cassandra disk space issues causing upload failures and Cooper task processing errors
- updateDeleted by the vendor
We continue to investigate an issue causing some B2 Cloud Storage uploads to fail. Our team is working to restore normal operation. We will provide updates as more information becomes available.
- update
Since about 10:00 UTC on November 6, some B2 Cloud Storage requests in our US East region have been failing at elevated rates. Uploads and downloads are affected, and some customers may also see slower responses. Some Backblaze services that depend on this region may be affected too. Our engineers are working to restore full service. Data already stored is not affected. We will post another update within 60 minutes.
Changes Rewindex caught on this incident
- Major incident: 005 Cassandra node down causing with cooper
- Incident updated: B2 Cloud Storage Upload and Download issues
- Incident updated: Elevated Errors for B2 Cloud Storage in US East
Archive proof
Rewindex commits each version of an incident it captures to a daily checkpoint, chains it to the day before, and has the checkpoint timestamped by FreeTSA and DigiCert.
How the archive is checked, and what it cannot prove.
Rewindex captured this after the last checkpoint; the next run () commits it.
Impact, status and times are the vendor’s own, as last archived. View on status.backblaze.com (opens in new tab).
Cite this
Status incident (vendor impact label: major) posted by Backblaze, started 2026-11-06 14:51 UTC, not resolved, 3 update(s); edited after publishing.
- Title
- Elevated Errors for B2 Cloud Storage in US East
- Vendor
- Backblaze
- Date
- URL
- https://rewindex.com/company/backblaze/incidents/157902cc-8e5f-4001-b445-5ccf26519c70
Backblaze profileRecent Backblaze incidentsAll outages on November 6, 2026Backblaze in November 2026MarkdownJSON