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NexSAN NST5000 Unified
- SAS, NL-SAS and SATA Drives
The Nexsan NST5000™ storage systems, a part of Nexsan’s
Flexible Storage Platform, is Nexsan’s unified storage line offering SAN, NAS or
both. They have been purpose-built for midsized organizations looking for
enterprise-class features without the enterprise-class price.
The NST5000 boasts a robust feature set including
FASTier™ acceleration technology for 3X performance as well as snapshots,
replication, quotas/thin provisioning, no single point-of-failure configuration
and much more
The NST5000 Family of NAS storage systems scale from 8TB up
to 1080TB of capacity and feature new FASTier™ cache technology for blazing
performance, snapshots, replication, quotas/thin provisioning and online
Zebi line of hybrid storage arrays is up to 5 times faster than all
hard disk-based arrays and significantly less expensive than all
solid-state disk-based arrays. The usable capacity of a Zebi is up to
5 times its raw capacity because of Tegile’s on-the-fly data
compression and de-duplication technology
Tegile’s Zebi array
Models: HA2100, HA2100EP HA2400 HA2800
- EMC Isilon Platform Nodes and Accelerators:
Scale-out NAS storage that delivers increased performance for file-based
data applications and workflows—from the highest performance
I/O-intensive applications, to primary and secondary storage, to
nearline archives—all from a single file-system architecture.
Provide ultra-fast primary storage for
mission-critical, IOPS-intensive file-based applications.
Manage big data effectively with scale-out
network attached storage for high-concurrent and sequential-throughput
Bridge the gap between costly, high-performance,
primary storage and inexpensive off-line storage.
EMC Isilon Performance Accelerator
Accelerate cluster operations—disk and node
rebuilds, file striping, and Isilon SyncIQ file-based replication—for
demanding performance environments.
EMC Isilon Backup Accelerator
Deliver performance across four concurrent
streams, reducing the cost, complexity, and downtime associated with
traditional back-up operations.
Gain high-performing unified storage with
unsurpassed simplicity and efficiency, optimized for virtual
Deploy an affordable unified storage
platform for smaller businesses, with solution-focused software that's
easy to manage, provision, and protect.
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The advantages of
over conventional server-attached storage can be summed up in three words:
economy, speed, and ease. The NAS
device sits on the network and is optimized for a single purpose: to pump data
to users efficiently without the overhead and complexity of general-purpose
devices can produce improved file access performance at a substantially lower
cost than general-purpose network servers. When factoring in the additional cost
savings generated with plug-and-play installation that literally takes just
minutes and ongoing reduced management costs.
contrasted with SANs, but NAS
is actually under the "storage network" umbrella.
The major difference is that the SAN is channel attached, and the NAS is network
attached. Adding or removing a NAS system is like
adding or removing any network node.
NAS -Primarily designed to provide access at the file
level. Organizations working on LANs consider NAS the most economical addition
DAS or SAN - Optimized for high-volume block-orientated data
What is a NAS, SAN, RAID,
Logical Drive ....
NAS: File-Level Data Sharing
Across the Enterprise
NAS is a special purpose device, comprised of both hard disks and management
software, which is 100% dedicated to serving files over a network. A server has
the dual functions of file sharing and application serving in the DAS model,
potentially causing network slowdowns. NAS relieves the server of storage and
file serving responsibilities, and provides a lot more flexibility in data
access by virtue of being independent.
NAS is an ideal choice for organizations looking for a simple and cost-effective
way to achieve fast data access for multiple clients at the file level.
Implementers of NAS benefit from performance and productivity gains.
In recent years, NAS has developed more sophisticated functionality, leading to
its growing adoption in enterprise departments and workgroups. It is not
uncommon for NAS to go head to head with storage area networks in the purchasing
decision, or become part of a NAS/SAN convergence scheme. High reliability
features such as RAID and hot swappable drives and components are standard even
in lower end NAS systems, while midrange offerings provide enterprise data
protection features such as replication and mirroring for business continuance.
NAS also makes sense for enterprises looking to consolidate their
direct-attached storage resources for better utilization. Since resources cannot
be shared beyond a single server in DAS, systems may be using as little as half
of their full capacity. With NAS, the utilization rate is high since storage is
shared across multiple servers.
NAS is an attractive investment that provides tremendous value, considering that
the main alternatives are adding new servers, which is an expensive proposition,
or expanding the capacity of existing servers, a long and arduous process that
is usually more trouble than it's worth. NAS systems can provide many terabytes
of storage in high density form factors, making efficient use of data center
space. As the volume of digital information continues to grow, organizations
with high scalability requirements will find it much more cost-effective to
expand upon NAS than DAS. Multiple NAS systems can also be centrally managed,
conserving time and resources.
Another important consideration for a medium sized business or large enterprise
is heterogeneous data sharing. With DAS, each server is running its own
operating platform, so there is no common storage in an environment that may
include a mix of Windows, Mac and Linux workstations. NAS systems can integrate
into any environment and serve files across all operating platforms. On the
network, a NAS system appears like a native file server to each of its different
clients. That means that files are saved on the NAS system, as well as retrieved
from the NAS system, in their native file formats. NAS is also based on industry
standard network protocols such as TCP/IP, FC and CIFS.
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