What are the access tiers offered by Azure storage for storing blob data?
Azure storage offers three access tiers: Hot tier, Cool tier, and Archive tier.
What is the hot tier optimized for?
The hot tier is optimized for storing data that is accessed or modified frequently.
What is the cool tier optimized for?
The cool tier is optimized for storing data that is infrequently accessed or modified.
What is the archive tier optimized for?
The archive tier is optimized for storing data that is rarely accessed and has flexible latency requirements, on the order of hours.
What are the storage costs for the hot tier?
The hot tier has the highest storage costs, but the lowest access costs.
What are the storage costs for the cool tier?
The cool tier has lower storage costs and higher access costs compared to the hot tier.
What are the storage costs for the archive tier?
The archive tier has the lowest storage cost but the highest data retrieval cost with higher latency compared to the hot and cool tiers.
What type of data is best stored in the hot tier?
Data that's in active use or that you expect will require frequent reads and writes is best stored in the hot tier.
What type of data is best stored in the cool tier?
Short-term data backup and disaster recovery, older data sets that aren't used frequently, and large data sets that need to be stored cost-effectively are best stored in the cool tier.
What type of data is best stored in the archive tier?
Long-term backup, secondary backup, archival datasets, original data that must be preserved, compliance and archival data that needs to be stored for a long time and is hardly ever accessed is best stored in the archive tier.
What is an early deletion penalty for a blob in the cool tier?
If a blob in the cool tier is deleted or moved to a different tier before 30 days has elapsed, an early deletion penalty will be charged, prorated based on the number of days the blob was stored in the cool tier.
What is an early deletion penalty for a blob in the archive tier?
If a blob in the archive tier is deleted or moved to a different tier before 180 days have elapsed, an early deletion penalty will be charged, prorated based on the number of days the blob was stored in the archive tier.
How long does it take to rehydrate a blob in the archive tier?
Data in the archive tier can take up to 15 hours to rehydrate, depending on the priority specified for the rehydration operation.
What are the supported operations for blobs in the archive tier?
The following operations are supported for blobs in the archive tier: Copy Blob, Delete Blob, Undelete Blob, Find Blobs by Tags, Get Blob Metadata, Get Blob Properties, Get Blob Tags, List Blobs, Set Blob Tags, Set Blob Tier.
What storage configurations support moving blobs to the archive tier?
Only storage accounts configured for LRS, GRS, or RA-GRS support moving blobs to the archive tier, the archive tier isn't supported for ZRS, GZRS, or RA-GZRS.