Challenges Of Scale; Why Suse Enterprise Storage; Suse Enterprise Storage Use Cases - HPE Apollo 4500 Reference Manual

Reference guide
Traditional infrastructure is costly to scale massively and offers extra performance features that are not needed for cold or warm data. Ceph
software defined storage on industry-standard infrastructure is optimized for this use case and is an ideal supplement to existing infrastructure
by creating a network-based active archive repository. Offloading archive data to Ceph—an open source storage platform that stores data on a
single distributed computer cluster—can reduce overall storage costs while freeing existing capacity for applications that require traditional
infrastructure capabilities.

Challenges of scale

There are numerous difficulties around storing unstructured data at massive scale:
Cost
• Unstructured and archival data tend to be written only once or become stagnant over time. This stale data takes up valuable space on
expensive block and file storage.
• Tape is an excellent choice for achieving the lowest cost per GB but suffers extremely high latencies. Unstructured and archival data can sit
dormant for long stretches of time and yet need to be available in seconds.
Scalability
• Unstructured deployments can accumulate billions of objects and petabytes of data. File system limits on the number and size of files and
block storage limits on the size of presented blocks become significant deployment challenges.
• Additionally, block and file storage methods suffer from metadata bloat at a massive scale, resulting in a large system that cannot meet SLAs.
Availability and manageability
• Enterprise storage is growing from smaller-scale, single-site deployments to geographically-distributed, scale-out configurations. With this
growth, the difficulty of keeping all the data safe and available is also growing.
• Many existing storage solutions are a challenge to manage and control at massive scale. Management silos and user interface limitations make
it harder to deploy new storage into business infrastructure.

Why SUSE Enterprise Storage?

• Leveraging industry-standard servers means the lowest possible cost for a disk-based system with a building block your organization already
understands
• SUSE Enterprise Storage provides all the benefits of Ceph with the addition of a world-class support organization
• Designed to scale indefinitely and scales from one petabyte to well beyond a hundred petabytes of data
• A flat namespace and per-object metadata means little space is wasted on overhead and the interface scales efficiently to billions of objects
• A single SUSE Enterprise Storage cluster can be configured to meet the requirements of many different storage needs all at once
• It is designed to be deployed, accessed, and managed from any location

SUSE Enterprise Storage use cases

OpenStack® cloud storage
SUSE Enterprise Storage integrates well into an OpenStack cluster. A typical setup uses block storage behind OpenStack Cinder and Ceph
object storage in lieu of Swift. Ceph can perform the dual role of ephemeral virtual machine storage for OpenStack Nova and image storage for
OpenStack Glance. For security, OpenStack Keystone can be configured to provide authentication to the Ceph cluster. In this setup, Ceph can
still be used as block and/or object storage for non-OpenStack applications.
Content repository
For a company that can't or does not want to use a publicly-hosted content repository like Box, Dropbox, or Google
Storage is a low-cost private option. The Ceph object store can be configured to meet appropriate latency and bandwidth requirements for
whatever the business need. The widespread S3 and Swift REST interfaces can both be used to access data, which means many existing tools
can be used and new tools do not require significant development work.
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