❗ Important
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What happens to an existing backup set created using File Gateway?
What happens to an existing backup set created using File Gateway?
No impact on the existing backup sets. However, if you want to adopt an S3-based vendor, then create a new backup set. The backup set will be treated as new and no deduplication will be provided.
What happens if S3 permissions (IAM) are not provided?
What happens if S3 permissions (IAM) are not provided?
AWS S3 discovery, backups, and restores will all fail.
What happens if you attach an S3 backup set with a pool that has non-S3-based NAS agents?
What happens if you attach an S3 backup set with a pool that has non-S3-based NAS agents?
The AWS S3 backups and restores will fail.
What are the implications of combining NAS agents with older agents in the same pool for an S3 backup set?
What are the implications of combining NAS agents with older agents in the same pool for an S3 backup set?
Mixing agent types in a pool is not advisable; a dedicated pool with only NAS agents (supporting AWS S3 vendor) is required for S3 protection.
What operating system is required for the S3 agent?
What operating system is required for the S3 agent?
Only Linux-based proxies are currently supported. For more information, see System requirements and prerequisites for AWS S3 buckets.
Which AWS S3 APIs are being used for backups and restores?
Which AWS S3 APIs are being used for backups and restores?
The following are the APIs:
NewListObjectsV2Paginator: List objects in the configured folder to detect the changes. The number of calls is equal to the number of directory/folder backup sets (buckets).GetObject: Reads the AWS S3 objects that were changed. Objects under 16MB require a single API call. For larger objects, the number of API calls (per object) is equal to object-size/8MB.HeadObject: Gets the metadata of the object. For each object being backed up, a single API call is required.GetObjectAcl: Performed only if the bucket-level ACLs are enabled. For each object being backed up, a single API call is required.GetObjectTagging: Gets the tag of the object. For each object being backed up, a single API call is required.GetBucketOwnershipControls: A single API call is required for each backup set.
For deducing the approximate cost of a single backup/restore job that you might incur, refer AWS S3 Pricing.
Refer to the below AWS API link for optimizing the S3 backup / restore performance with the NAS agent: