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Incident affecting Google Compute Engine

Issues with PD-SSD in us-east1-b zone

Incident began at 2019-12-07 10:46 and ended at 2019-12-07 13:53 (all times are US/Pacific).

Date Time Description
7 Dec 2019 13:53 PST

The issue with SSD Persistent Disk has been resolved for all affected volumes as of Saturday, 2019-12-07 13:51 US/Pacific.

We thank you for your patience while we've worked on resolving the issue.

7 Dec 2019 13:03 PST

Description: Mitigation work is still underway by our engineering team.

Current data indicates that approximately 0.01% of PD-SSD volumes in us-east1-b are affected by this issue, from a peak of approximately 8.45%.

At this time, the issue is contained, and we can confirm that this is only impacting us-east1-b.

We will provide more information by Saturday, 2019-12-07 14:02 US/Pacific.

Diagnosis: High IO wait times, failed IO operations, or IO Operations taking over 2 seconds to complete

Workaround: None at this time

7 Dec 2019 11:55 PST

Description: Mitigation work is currently underway by our engineering team.

We do not have an ETA for mitigation at this point.

We will provide more information by Saturday, 2019-12-07 12:42 US/Pacific.

Diagnosis: Seeing High IO wait times, failed IO operations, or IO Operations taking over 2 seconds to complete

Workaround: None at this time

7 Dec 2019 11:30 PST

Description: We are experiencing an issue with SSD Persistent Disk and SSD Regional Persistent Disks,beginning at Saturday, 2019-12-07 06:45 US/Pacific.

Symptoms: High IO wait times, IO operations failing or taking over 2 seconds to complete.

Self-diagnosis: Seeing High IO wait times, failed IO operations, or IO Operations taking over 2 seconds to complete

Workaround: N/A

Our engineering team continues to investigate the issue.

We will provide an update by Saturday, 2019-12-07 12:00 US/Pacific with current details.

We apologize to all who are affected by the disruption.

Diagnosis: Seeing High IO wait times, failed IO operations, or IO Operations taking over 2 seconds to complete

Workaround: None at this time