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LSI StoreAge SVM™ — Storage Virtualization Manager
Product Brie
With its innovative, “Split-Path” architecture, StoreAge SVM provides
centrally managed storage pooling and virtual volume allocations for theentire SAN.
H i g H l i g H t s
n Split-Path Architecture
n Centralized SAN Management
n Storage Provisioning
n Reduced TCO
n Extremely Scalable
n High Per ormance
n Highly Available
n Plat orm or Advanced data
management applications
n SAN Security
n Policy-Based
In rastructure Readyn Administrators and
users management
Product description
Storage Virtualization is the technology that
separates the logical representation o storage
rom the actual physical storage components.
This delivers the true bene ts expected rom
Storage Area Networks (SAN).
With its innovative, “Split-Path” architecture,
StoreAge SVM™ provides centrally managedstorage pooling and virtual volume allocations
or the entire SAN.
SVM enables independent scalability, top
per ormance, and high availability o all SAN
resources. It brings substantial improvements
to managing enterprise-class storage networks,
reducing administration costs and improving
utilization o expensive storage resources. SVM
also enables the implementation o advanced
disaster recovery and back up applications.
SVM operates in a heterogeneous SAN environ-
ment, which can include servers and storage
devices rom various vendors. Storage can be
exibly allocated to the servers and value-add-
ed storage applications using SVM. Managed
via a web-based GUI, storage can be organized
into stripe sets, storage pools, and then selec-
tively allocated to one or more servers. The
SVM appliance is connected to a Fibre Channel
loop or switched abric, and is capable o moni-
toring the status o physical devices connected
to the SAN. The SVM manages storage using
split-path architecture, serving the volume
maps to distributed virtualization agents run-
ning on a Data Path module appliance thatper orms the mapping with wire-speed. This
design enables ull utilization o SAN per or-
mance and provides superior scalability and
reliability. SVM is a key enabler or advanced di-
saster recovery strategies and other enterprise
storage applications, implemented above the
virtualization layer.
Principles o operation
The SVM provides a central point o storage
management across the entire SAN without
imposing a per ormance penalty.
By separating the control path and the
handling o metadata rom the data path, the
SVM provides centrally managed mapping
and other SAN unctions while maintaining
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LSI StoreAge Storage Virtualization Manager Product Brie 2
LSI SVM Architecture (above) the distributed nature o servers, Data Path
Module and storage devices. This architecture
enables the ull bandwidth o the SAN abric to
be utilized.
The Data Path Module retrieves the volume in-
ormation rom the SVM appliance and routes IO
rom the servers directly to the physical storage
devices or read/write operations.
SAN monitoring and operation can be per-
ormed by administrators via the SVM’s web-
based GUI. This monitoring may be integrated
with policy based storage management so t-
ware on various servers in the SAN via SVM’s
SAN Application Programming Inter ace (API)
and Command Line Inter ace (CLI).
Architecture
n Single or active-passive stand-alone SVM
server(s), connected to one or two
SAN abrics
n Servers are connected to the SAN with industry
standard HBAs, using standard, vendor-suppliedHBA drivers
n Data Path Module(s) are connected to the SAN
n Failover drivers in each server supporting ail-
over and load balancing across multiple HBAs
n Supports a wide variety o storage arraysn Web-enabled management
Key Bene tsSAN Management
The SVM provides a central point o management
or all enterprise SAN resources. The Web-enabled,
intuitive GUI is accessible through a standard web
browser.
Reduced TCO
Central point o management, e cient usage o
storage resources, ability to purchase the most
cost efective storage device when needed,
reduced load on storage administrator person-
nel — all contribute to a signi cant reduction
in Total Cost o Ownership o the enterprise
storage system.
SAN Scalability
The split-path design o SVM enables virtu-
ally limitless independent growth in terms o
number o servers, Data Path Modules, storage
capacity, IO per ormance and bandwidth.
High Performance
With SVM, data is trans erred between serversand storage resources, through “wire speed”
Data Path Modules. Striping across RAID arrays
urther increases total storage per ormance, and
is especially efective in providing cost-efective
video solutions.
Storage Virtualization Manager
Point of Translation
Volumes
C o n t r o l P a t h
D a t a P a t h
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LSI StoreAge Storage Virtualization Manager Product Brie 3
High Availability
Complete redundancy is supported by the SVM.
Modi cations to system con guration (e.g., add
or delete servers or storage resources; create or
reallocate volumes) are done on the y without
system re-boot. SVM Agent on each server sup-ports multiple paths with automatic ail-over.
Storage Applications
The SVM provides a plat orm or advanced en-
terprise recovery, back-up and other SAN-aware
storage applications.
Improved Storage Utilization
SVM can dramatically improve storage utiliza-
tion. The improvements are done at the volume
level where thin provisioned volumes allocate
just the amount o storage actually needed by
the application. This also applies to the array
level where sharing storage rom several arrays
makes it no longer necessary to keep spare on
each array.
SAN Security
Servers are zoned only with the Data Path Mod-
ules and have no direct access to the storage.
Additionally only volumes that are explicitly
allocated to servers are accessible by them
through the Data Path Modules.
SVM also includes pro le based application to
manage storage administrator, ensuring that
each administrator can operate according to his
assigned privileges only.
Policy Based Infrastructure-Ready
The SVM enables third-party applications to
automate storage pooling, volume manage-
ment, and backup procedures using the SVM
SAN API and CLI.
Features
Storage Pooling
The SVM enables the allocation o virtual
volumes rom any SAN storage device to any
server. Volumes can be expanded over various
diferent mixed breed storage devices. Theutilization o storage resources can be maxi-
mized with storage pooling. The creation o
several pools according to site-de ned Quality
o Service (QoS) criteria allows uni orm alloca-
tion o storage with necessary characteristics to
application needs.
Striping
Striping a volume over several devices can
substantially increase per ormance, especially
with large stripe sizes, a megabyte or more, thatmatch application IO sizes.
Virtual Volume Management
Volumes are created rom storage pools and
stripe sets. Each volume can be allocated to
one or more servers and is not accessible to all
others.
When a volume needs to be expanded, more ca-
pacity can be added “on the y” rom one o the
storage pools. Creating, expanding or deleting a
volume does not require a server reboot.
Thin Provisioning Volumes
The SVM allows volumes to be thinly provi-
sioned. Such volumes are seen by the operating
system and the application according to their
virtual size, while allocating storage only or the
blocks that are actually used by the applica-
tion. Thin provisioned volumes prevent over
allocation o storage as well as downtime during
volumes expansions.
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For more in ormation and sales ofce locations, please visit the LSI web sites at: lsi.com lsi.com/contacts
LSI, the LSI logo design, StoreAge, StoreAge multiCopy, StoreAge multiView, and StoreAge SVM are trademarks or registered trademarks o LSICorporation. All other brand and product names may be trademarks o their respective companies.
LSI Corporation reserves the right to make changes to any p roducts and services herein at any time without notice. LSI does not assume anyresponsibility or liability arising out o the application or use o any product o r service described herein, except as expressly agreed to inwriting by LSI; nor does the purchase, lease, or use o a product or service rom LSI convey a license under any patent rights, copyrights,
trademark rights, or any other o the intellectual property rights o LSI or o third parties.Copyright ©2008 by LSI Corporation. All rights reserved. 0708
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Centralized Storage Management
The SVM provides a central point or managing
all storage devices connected to the SAN.
Seamless Integration into Existing SAN
The SVM can be easily integrated into an exist-
ing SAN. It will not afect user’s data and the
administrator can select which o the physical
devices will be managed via the SVM, gradu-
ally migrating legacy SANs to a ully virtualized
environment, without copying the data.
Booting from the SAN
The SVM enables servers to boot rom virtual
volumes presented by the SVM.
Scripting and API
SVM provides SAN API and CLI, while enablingadministrators to automate procedures. Users
can write scripts or third-party applications
while accessing SVM unctionality via its API.
Interoperability and Sharing
Volumes can be allocated to multiple servers,
enabling storage sharing or cluster manage-
ment so tware, SAN le systems, and shared
database managers. Volumes can be reassigned
rom server to server, without copying the data.
Data Management Applications
The SVM includes top class data management
applications:
n multiView or low capacity snapshots
n multiCopy or ull size replications
n multiMigrate or online data migration
n multiMiror or synchronous and asynchronous,
local and remote mirror
Plat orms Supported
n Microso t Windows 2003, 2008
n UNIX — Sun Solaris, HP-UX, IBM AIX
n Linux
n Novell Netware
n Irix