Replication
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AZURERESILIENCYREPLICATION
Two types:
- Asynchronous
- Synchronous
Asynchronous
Transactions committed on primary as created and then transferred as soon as possible 1. no real impact to primary performance 2. risk of data loss in case of unplanned failure
Synchronous
Transactions are not committed on primary until acknowledged on secondary 1. Can impact primary performance 2. No risk of data loss
Because of distance between regions, its usually asynchronous.
references:
14 Backlinks
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VSS writers in failed state
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Azure Master
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Resiliency Overview
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VM replications
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Preference for replications
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Disaster Recovery
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Azure Storage Overview
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Azure Storage Redundancy
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Azure Netapp Files
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Azure Compute Gallery
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Migrating between redundancy types in Azure Storage
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Manually cleaning DFSR folder
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How to check replication status on DC
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