Which scenario is a use case for utilizing bucket branches in NetApp StorageGRID?
Answer : D
A StorageGRID branch bucket provides access to objects from a versioned base bucket as those objects existed at a selected point or range in time. NetApp describes a branch bucket as presenting a distinct view of protected data while allowing operations on the branch to be separated from the base bucket. This makes branch buckets appropriate for use cases such as application testing, investigation, recovery workflows, development, and other activities where production data should remain undisturbed.
When creating the branch, an administrator can select a Before, After, Between, or Exclude time filter. A branch can also be configured as read-only or read-write. Importantly, object settings and objects written directly to a branch do not modify the corresponding object versions in the base bucket.
Option A is incorrect because StorageGRID is fundamentally S3 object storage; branch buckets do not provide simultaneous SMB/NFS access. Option B describes cloud tiering rather than branching. Option C describes ILM rule filtering and placement behavior, which is handled through StorageGRID ILM policies and rules, not branch buckets.
Therefore, D best represents the intended operational purpose of branch buckets: creating an isolated point-in-time data view for nondisruptive work without changing the production base bucket.
Reference topics: Tenant Manager S3 Buckets Branch Buckets Base Bucket Versioning Time Filters Read-only/Read-write Branches
Your customer is working in a secure environment and will not allow the StorageGRID nodes to connect directly to the internet. The customer wants to take advantage of NetApp AutoSupport capabilities and automatic case creation.
How does the customer have to configure AutoSupport?
Answer : D
The correct configuration is to route StorageGRID AutoSupport traffic through an Admin proxy server. NetApp states that when AutoSupport packages are transmitted using HTTPS, the primary Admin Node requires outbound access to NetApp Technical Support either directly or through a proxy server. This is specifically intended for secure environments where StorageGRID nodes cannot establish unrestricted direct internet connections.
The administrator configures this under Configuration > Security > Proxy settings > Admin, enables the Admin proxy, and specifies the proxy server hostname or IP address and port. Authentication credentials can also be supplied when required. Once configured, AutoSupport traffic from Admin Nodes to NetApp Technical Support is routed through this controlled proxy path.
This preserves normal AutoSupport functionality, including periodic and event-triggered AutoSupport packages, which support proactive monitoring and automatic support-case workflows. Manually uploading bundles, as in A, would not provide the desired automated behavior. Option B does not solve the connectivity restriction. Option C is also incorrect because AutoSupport On Demand is intended primarily for active troubleshooting and itself requires HTTPS connectivity; it does not replace normal automated AutoSupport delivery.
Therefore, D provides the required secure outbound connectivity while retaining automated NetApp support capabilities.
Reference topics: Grid Manager AutoSupport Admin Proxy HTTPS AutoSupport Event-Triggered AutoSupport NetApp Technical Support Connectivity
An enterprise is expanding a single-site StorageGRID deployment and is adding new nodes on a new subnet.
What is a requirement for configuring the Grid Network?
Answer : C
When an existing StorageGRID deployment is expanded with nodes whose Grid Network IP addresses are on a subnet that has not previously been used, that subnet must be added to the Grid Network subnet list before the expansion is started. StorageGRID maintains this list so that every grid node can correctly route internal Grid Network traffic to the other participating subnets. NetApp StorageGRID 12.0 documentation explicitly states that if any new node uses a new Grid Network subnet, the administrator must add that subnet first; otherwise, the expansion must be cancelled, the subnet added, and the expansion restarted.
The configuration is performed in Grid Manager Maintenance Network Grid Network, where the administrator selects Add another subnet and enters the network in CIDR notation. StorageGRID then distributes the routing configuration throughout the grid.
Option A is incorrect because routes do not need to be configured manually on every node. Option B is incorrect because a StorageGRID Gateway Node provides client load-balancing functions and is not an IP router between Grid Network subnets. Option D is also incorrect; StorageGRID explicitly supports multiple Grid Network subnets, provided they are routable through the configured Grid Network gateway.
Reference topics: StorageGRID Expansion Grid Network Grid Network Subnet List Adding Nodes on New Subnets Grid Network Routing
A customer wants to expand their existing StorageGRID system, which currently serves only cold data via FabricPool, to maximize usable object storage in a single-site installation.
Which actions achieve this?
Answer : A
For a capacity-focused FabricPool repository containing predominantly cold object data, the most efficient expansion method is to add a data-only Storage Node. StorageGRID 12.0 supports combined, metadata-only, and data-only Storage Nodes. A data-only node is dedicated to object-data storage and does not participate in Cassandra metadata storage, making it particularly appropriate when the primary objective is to maximize usable object capacity rather than increase metadata capacity. NetApp specifically describes data-only, high-capacity Storage Nodes as appropriate when dedicated capacity is required.
After the node is added, erasure-coded data can be rebalanced so that existing EC fragments are redistributed across the original and newly added Storage Nodes. NetApp states that EC rebalancing redistributes erasure-coded fragments among Storage Nodes at the site, allowing newly added capacity to be utilized by an existing EC protection scheme.
Option D adds usable capacity, but a combined node also provides metadata/Cassandra functionality that is unnecessary when the goal is specifically to maximize object-data capacity for a cold FabricPool workload. Options B and C are not supported StorageGRID capacity-expansion strategies; appliance RAID/DDP configuration and SANtricity LUN sizing must not be arbitrarily changed to enlarge StorageGRID object storage.
Reference topics: StorageGRID Expansion Data-only Storage Nodes Object Capacity Erasure Coding EC Rebalancing FabricPool Capacity Planning
A company is scaling its StorageGRID environment to support a massive increase in object count, aiming for trillions of objects over the next few years. They need an appliance model that can handle this significant increase in scale and performance demands.
Which NetApp StorageGRID appliance model takes advantage of the increased scaling limits?
Answer : D
The SG6160 is the best match for environments designed for very large-scale StorageGRID deployments. StorageGRID 12.0 substantially increases overall platform scalability, supporting up to one trillion objects, more than twice the previous platform limit. This increase is enabled in part by a newer Cassandra version that stores object metadata more efficiently, allowing considerably larger object populations to be maintained.
The SG6160 is NetApp's higher-scale disk-based StorageGRID appliance. Its SG6100-CN compute controller provides 48 CPU cores and 256 GB of RAM, providing substantially more compute and memory resources for StorageGRID services than capacity-oriented SG5800 models. It also supports a 60-drive base shelf plus as many as two 60-drive expansion shelves, for a maximum of 180 drives per appliance. NetApp specifically positions the SG6160 and its expansion configuration for large-scale deployments, transactional small-object workloads, and data lakes.
The SG5812 and SG5860 are positioned primarily as cost-optimized secondary-storage platforms. The SG1100 is a services appliance used for Admin Node and Gateway Node functions and does not provide object-storage capacity.
Therefore, D. SG6160 is the appropriate selection for this scale-oriented requirement.
Reference topics: StorageGRID 12.0 Scalability One-Trillion-Object Limit Cassandra Metadata Scaling SG6100 Series SG6160 Large-Scale Deployments
A StorageGRID site has virtual and physical Storage Nodes of several different sizes.
The metadata capacity is sized based on which node?
Answer : A
StorageGRID distributes object metadata evenly across the Storage Nodes participating in metadata storage at a site. Consequently, when Storage Nodes have different metadata capacities, the smallest Storage Node becomes the limiting factor for the site's usable metadata capacity. NetApp explicitly states that when a site contains Storage Nodes of different sizes, the smallest node at that site determines the site's metadata capacity.
The underlying consideration is particularly tied to volume 0, because StorageGRID stores Cassandra object metadata on volume 0. NetApp recommends configuring comparable volume 0 sizes across Storage Nodes whenever possible. If different sizes are used, the node with the smallest volume 0 establishes the effective per-node metadata ceiling. Because metadata is evenly distributed, excess metadata space available on larger nodes cannot compensate for insufficient capacity on the smallest participating node.
Therefore, the largest, newest, or oldest Storage Node has no special role in determining metadata sizing. Hardware generation or installation age is irrelevant to this calculation; usable metadata capacity is constrained by the node with the least available metadata capacity.
Reference topics: Grid Manager Storage Settings Metadata Reserved Space; Storage Nodes Volume 0; Object Metadata Capacity and Cassandra Distribution
Your customer wants to add a tenant for a new backup workload to an existing grid. The backup software automatically sets a seven-year retention period on the objects, during which time the object must be immutable. After the retention period, the backup software must be able to clean up the objects as required.
Which two steps will ensure this behavior on the new tenant? (Choose two.)
Answer : A, D
The backup workload requires time-based immutability, so the tenant must be permitted to use S3 Object Lock. StorageGRID S3 Object Lock protects individual object versions from deletion or overwrite until their configured retain-until date. When an Object Lock-enabled bucket is created, StorageGRID automatically enables bucket versioning. A backup application can then assign its seven-year retention period to each object as it is written.
For the new tenant, the grid administrator should also configure the maximum retention period as seven years. StorageGRID allows administrators to define a tenant-level maximum retention period, and any bucket default retention or object-level retain-until date must remain within that limit. The current StorageGRID tenant-creation workflow specifically provides S3 Object Lock advanced permissions for configuring this maximum retention period.
After an object's retain-until date expires, S3 Object Lock no longer prevents its deletion, allowing the backup software to perform normal expiration or cleanup operations. Platform Services are unrelated; they provide functions such as CloudMirror and event notifications. A 7-TB quota controls capacity, not retention duration or immutability.
Reference topics: Tenant Accounts S3 Object Lock Maximum Retention Period Object-Level Retention Immutable Backup Data