Veritas Access is a software-defined, scale-out network-attached storage (NAS) solution for unstructured data that works on commodity hardware. Veritas Access provides resiliency, multi-protocol access, and data movement to and from the public or the private cloud based on policies.
Figure: Veritas Access architecture
You can use Veritas Access in any of the following ways.
Table: Interfaces for using Veritas Access
Interface
Description
GUI
Centralized dashboard and quick actions with operations for managing your storage.
See the GUI and the online Help for more information.
RESTful APIs
Enables automation using scripts, which run storage administration commands against the Veritas Access cluster.
See the Veritas Access RESTful API Guide for more information.
Command-line interface (CLI or CLISH)
Single point of administration for the entire cluster.
The following functionality is provided for a scale-out file system:
File system that manages a single namespace spanning over both on-premises storage as well as cloud storage, which provides better fault tolerance for large data sets.
Veritas Access supports adding a cloud service as a storage tier for a scale-out file system. You can move data between the tiers based on file name patterns and when the files were last accessed or modified. Use scheduled policies to move data between the tiers on a regular basis.
Veritas Access moves the data from the on-premises tier to Amazon S3, Amazon Glacier, Amazon Web Services (AWS), GovCloud (US), Azure, Google cloud, Alibaba, Veritas Access S3, IBM Cloud Object Storage, and any S3-compatible storage provider based on automated policies. You can also retrieve data archived in Amazon Glacier.
Veritas Access's built-in SmartTier feature can reduce the cost
of storage by moving data to lower-cost storage. Veritas Access storage tiering also
facilitates the moving of data between different drive architectures and on-premises.
Veritas Access supports snapshots for recovering from data corruption. If files, or an entire file system, are deleted or become corrupted, you can replace them from the latest uncorrupted snapshot.
You can compress files to reduce the space used, while retaining the accessibility
of the files and having the compression be transparent to applications. Compressed files look and behave almost exactly like uncompressed files: the compressed files
have the same name, and can be read and written as with uncompressed files.
With IP load balancing, a single virtual IP is used to act as a load balancer
IP, which distributes the incoming requests to the different nodes in the Veritas Access cluster for the services that are run on an active-active cluster.
Veritas Access as an iSCSI target can be configured to serve block storage. iSCSI target as a service is hosted in the active-active mode in the Veritas Access
cluster.
Built-in NetBackup client for backing up your file systems to a NetBackup master or media server. Once data is backed up, a storage administrator can delete unwanted data from Veritas Access to free up expensive primary storage for more data.
With support for partitioned directories, directory entries are
redistributed into various hash directories. These hash directories
are not visible in the namespace view of the user or operating
system. For every new create, delete, or lookup, this feature
performs a lookup for the respective hashed directory and performs
the operation in that directory. This leaves the parent directory
inode and its other hash directories unobstructed, which
vastly improves file system performance.
By default, this feature is not enabled. See the storage_fs(1)
manual page to enable this feature.
Isolated storage pools
Enables you to create an isolated storage pool with a self-contained configuration. An isolated storage pool protects the pool from losing the associated metadata even if all the configuration disks in the main storage pool fail.
Workload-based tuning for the following workloads:
Media server - Streaming media represents a new wave of rich Internet content. Recent advancements in video creation, compression, caching, streaming, and other content delivery technology have brought audio and video together to the Internet as rich media. You can use Veritas Access to store your rich media, videos, movies, audio, music, and photos.
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