CUSTOMER STORY

Mavis Discount Tire Keeps Servers Rollingwith SIOS SANless Clusters
SIOS DataKeeper Cluster Edition Software Delivers
High Availability for Business Critical SQL Server.
"The SIOS DataKeeper
Cluster Edition software isa good technology for acompany that is growing
rapidly. It is easy to use
and eliminates the needto buy unnecessary SAN
hardware or redundantswitches."- Edward Schwartz, CIO,
Mavis Discount Tire

Mavis Discount Tire is a New York-based
tire retailer with 150 stores throughout thenortheastern US. The company relies on
business critical applications running on
SQL Server 2008 R2 Enterprise Editionand SQL Server 2012 Enterprise Edition
to manage their orders, inventory, and otherbusiness-critical processes.
For these retail stores, application
performance is a critical priority. “Our retailstores need fast, reliable access to theseapplications to operate,” said Edward
Schwartz, CIO, Mavis Discount Tire. “To keep
customer satisfaction high, we cannot afford
slow response times or downtime.”

The Challenge
The company needed a way to provide highavailability (HA) protection for its SQL Server
applications and databases that would
not impede performance. The company
considered using traditional clustering using
Windows Server Failover Clustering.

However, to implement a traditional cluster
solution and maintain the high level of
performance they needed, Mavis DiscountTire would have required multiple SANs
and both dedicated and redundant external
switches. “While a traditional WSFC
environment would have protected ourapplications from downtime, it requires SAN
storage which adds cost, complexity, andperformance overhead," said Schwartz. Since
the company does not store large volumesof data, they saw little value in the storage
beneﬁts of deploying external SANs.
They were also concerned about theperformance impact that SAN storage could
have had on the highly transactional SQL
Server databases.

The Solution
The Mavis Discount Tire IT department chose
SIOS SANless software to provide HA anddisaster recovery (DR) protection without theneed for a SAN.

“We used WSFC to create two node clusters for our SQL
environments in the same way a traditional cluster is created,"said Schwartz. "We simply added SIOS DataKeeper Cluster
Edition software to enable us to use local storage in a #SANLessconﬁguration.” The SIOS software uses performance-optimized
host-based replication to synchronize local storage on the primaryand standby nodes in the cluster, creating storage that appears to theWSFC as a SAN.

The ResultsMavis Discount Tire has been using SIOS #SANLess clusters toprotect its business critical SQL applications for more than fouryears. The SIOS software provides high availability without slowing
performance. By using SANless clusters, Mavis IT staff also eliminatedthe single point of failure risk of a shared storage cluster.
"The SIOS DataKeeper Cluster Edition software is a good technology
for a company that is growing rapidly. It is easy to use and eliminates
the need to buy unnecessary SAN hardware or redundant switches,”said Schwartz.

About SIOS
SIOS delivers innovative software solutions that provide
application availability and disaster protection for Windows andLinux environments.

Clusters Your Way.™
An essential ingredient in any cluster solution, SIOS SAN andSANless clustering software provides the ﬂexibility to build clusters
your way to protect your choice of Windows or Linux environment– and any conﬁguration (or combination) of physical, virtual andcloud (public, private, and hybrid) storage – without sacriﬁcing
performance or availability. SIOS’ unique #SANLess clusteringsolution eliminates both the cost and the single-point-of-failure riskof traditional shared-SAN storage.
Founded in 1999, SIOS Technology Corp., is headquartered in San
Mateo, California, and has ofﬁces throughout the United States,
United Kingdom, and Japan.

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