-Zone-redundant storage (ZRS) disks synchronously replicate data across three availability zones, which are separated groups of data centers in a region that have independent power, cooling, and networking infrastructure. With ZRS disks, you can [force detach](https://learn.microsoft.com/rest/api/compute/virtual-machines/attach-detach-data-disks?view=rest-compute-2024-03-01&tabs=HTTP#diskdetachoptiontypes)(in preview) your ZRS data disks even in the event of a zonal outage. ZRS disks have limitations, see [Zone-redundant storage for managed disks](disks-redundancy.md#zone-redundant-storage-for-managed-disks) for details.
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