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SLA for Storage

Last updated: May 2015

  • We guarantee that at least 99.99% of the time, we will successfully process requests to read data from Read Access-Geo Redundant Storage (RA-GRS) Accounts, provided that failed attempts to read data from the primary region are retried on the secondary region.
  • We guarantee that at least 99.9% of the time, we will successfully process requests to read data from Locally Redundant Storage (LRS), Zone Redundant Storage (ZRS), and Geo Redundant Storage (GRS) Accounts.
  • We guarantee that at least 99.9% of the time, we will successfully process requests to write data to Locally Redundant Storage (LRS), Zone Redundant Storage (ZRS), and Geo Redundant Storage (GRS) Accounts and Read Access-Geo Redundant Storage (RA-GRS) Accounts.

Version History

1.2 Last updated: April 2017
Release notes: Updated SLA to reflect guarantees for Azure File Storage.

1.1 Last updated: April 2016
Release notes: Updated SLA for the newly introduced Blob Storage Accounts with the Cool Access Tier.

1.0 Last updated: May 2015