You are designing a highly available Azure Data Lake Storage solution that will include geo-zone- redundant storage (GZRS). You need to monitor for replication delays that can affect the recovery poin

The correct answer is D. Last Sync Time. Because geo-replication is asynchronous, it is possible that data written to the primary region has not yet been written to the secondary region at the time an outage occurs. The Last Sync Time property indicates the last time that data from the primary region was written success

Submitted by jakub_pl· Mar 30, 2026Secure, monitor, and optimize data storage and data processing

Question

You are designing a highly available Azure Data Lake Storage solution that will include geo-zone- redundant storage (GZRS). You need to monitor for replication delays that can affect the recovery point objective (RPO). What should you include in the monitoring solution?

Options

A5xx: Server Error errors
BAverage Success E2E Latency
Cavailability
DLast Sync Time

How the community answered

(46 responses)

A
7% (3)
B
11% (5)
C
2% (1)
D
80% (37)

Explanation

Because geo-replication is asynchronous, it is possible that data written to the primary region has not yet been written to the secondary region at the time an outage occurs. The Last Sync Time property indicates the last time that data from the primary region was written successfully to the secondary region. All writes made to the primary region before the last sync time are available to be read from the secondary location. Writes made to the primary region after the last sync time property may or may not be available for reads yet. https://docs.microsoft.com/en-us/azure/storage/common/last-sync-time-get

Topics

#GZRS#Last Sync Time#replication lag#RPO monitoring

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