The S2200 storage system offers high levels of system and data availability with the following technologies:
Dual-active RAID controllers with low latency cache mirroring
Dual-port drives (HDDs and SSDs) with automatic drive failure detection and rapid RAID rebuild with
global hot spares
Redundant hardware, including host ports, controller modules, and power supplies and fans
Hot-swappable and customer replaceable components, including controllers, power supplies with
fans, and drives
Automated path failover support for the data path between the host and the drives with multipathing
software
Non-disruptive controller firmware upgrades for dual controller configurations with multipathing
The following functions are included with every S2200:
Intelligent Real-time Tiering for HDDs: Storage tiering helps optimize storage use with intelligent
data placement to improve system performance, reduce costs, and simplify management. S2200
automatically and dynamically moves frequently accessed data to higher performing HDDs in the
system without manually creating and managing storage tier policies.
RAID levels 1, 5, 6, and 10: Provide the flexibility to choose the level of data protection that is
required.
Virtualized storage pools: Enables rapid, flexible storage provisioning and simple configuration
changes. Stored data is distributed across all drive groups in the pool (wide striping), which helps
improve performance, lower latency, and achieve higher volume capacities. When a new drive group
is added to the pool, the system performs automatic rebalancing to use all drives in the pool for
better performance.
Thin provisioning: Optimizes efficiency by allocating drive storage space in a flexible manner among
multiple applications that is based on the minimum required space by each application at any
specific time. With thin provisioning, applications use only the space they are actually using and not
the total space that was allocated to them, which allows clients to purchase storage they need today
and add storage as application requirements grow.
SSD Read Cache: An extension of the controller's cache to improve performance of read-centric
workloads.
Rapid RAID Rebuild: Helps significantly decrease the time to recover lost data by rebuilding only
the stripe where the corruption occurred, not the empty space or other stripes.
Snapshots: Enables creation of copies of data for backup, parallel processing, testing, and
development, and have the copies available almost immediately. Base software supports up to 64
snapshot targets per system.
The S2200 storage capabilities can be expanded with optional licensed functions. Each optional S2200
function is licensed on a per-system basis and covers controller enclosure and all attached expansion units.
The following optional licensed functions are available:
Intelligent Real-time Tiering for SSDs: The SSD tiering upgrade option enables the use of SSDs as
read and write data storage in the hybrid HDD and SSD storage configurations. Also, this option
makes it easy and economical to deploy hybrid storage by dynamically moving frequently accessed
data to SSDs in the system, which results in flash drive performance without manually creating and
managing storage tier policies.
Snapshots upgrade: The snapshot upgrade options increase the supported number of snapshot
targets to 256 or 512 per system.
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