Reliability Functions

Data Durability

OBS provides multi-level reliability assurance for storage media, servers, cabinets, data centers, and regions by leveraging the following technologies: slow disk or bad sector detection, intra-AZ device and data redundancy, cross-AZ data disaster recovery, cross-region replication, and more. OBS delivers up to 99.9999999999% (12 nines) of data durability, and up to 99.995% of data availability, far higher than a conventional architecture would offer.

For details, see What Are the Durability and Availability of OBS?

Data Backup and Restoration

OBS can store multiple versions of an object. You can quickly search for and restore different versions or restore data in the event of misoperations or application faults.

Cross-AZ DR

When creating a bucket, you can choose multi-AZ storage to store your data in multiple AZs for higher data reliability.

Cross-Region DR

OBS provides you with disaster recovery across regions, catering to your needs for remote backup.

Monitoring

Using Cloud Eye, you can monitor requests, traffic, latency, and error responses of OBS buckets and set alarms for them.

For details, see Monitoring OBS.