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Copyright NoticeCopyright NoticeCOPYRIGHT © 2007

THE REGENTS OF THE UNIVERSITY OF MICHIGAN ALL RIGHTS RESERVED

PERMISSION IS GRANTED TO USE, COPY, CREATE DERIVATIVE WORKS AND REDISTRIBUTE THIS DATA AND SUCH DERIVATIVE WORKS FOR

NONCOMMERCIAL EDUCATION AND RESEARCH PURPOSES, SO LONG AS NO FEE IS CHARGED, AND SO LONG AS THE COPYRIGHT NOTICE ABOVE,

THIS GRANT OF PERMISSION, AND THE DISCLAIMER BELOW APPEAR IN ALL COPIES MADE; AND SO LONG AS THE NAME OF THE UNIVERSITY OF

MICHIGAN IS NOT USED IN ANY ADVERTISING OR PUBLICITY PERTAINING TO THE USE OR DISTRIBUTION OF THIS DATA WITHOUT

SPECIFIC, WRITTEN PRIOR AUTHORIZATION.

THIS DATA IS PROVIDED AS IS, WITHOUT REPRESENTATION FROM THE UNIVERSITY OF MICHIGAN AS TO ITS FITNESS FOR ANY PURPOSE, AND WITHOUT WARRANTY BY THE UNIVERSITY OF MICHIGAN OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE

IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE REGENTS OF THE UNIVERSITY OF MICHIGAN

SHALL NOT BE LIABLE FOR ANY DAMAGES, INCLUDING SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, WITH RESPECT TO ANY CLAIM ARISING OUT OF OR IN CONNECTION WITH THE USE OF THE DATA, EVEN IF IT HAS BEEN OR IS HEREAFTER ADVISED OF THE

POSSIBILITY OF SUCH DAMAGES.

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NAS Gateways: NAS Gateways: Engineering Storage EfficiencyEngineering Storage Efficiency

Karl Lewis

Storage Administrator

University of MichiganCollege of Engineering

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Overview of CAENOverview of CAEN

CAEN provides a comprehensive set of computing and networking technologies supporting instructional, research and administrative computing for the College of Engineering at the University of Michigan.

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Overview (cont.)Overview (cont.)

CAEN staff manage the backbone network infrastructure, public computer laboratories and building networks within the College to accomplish the aforementioned goals.

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Efficiency: Do More With LessEfficiency: Do More With Less

• Consolidation– Use fewer servers or no servers, whenever possible– Use consistent server software images

• Virtualization– Use appliances when appropriate– Use logical presentation of resources (Windows DFS,

virtual servers, .)

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10GE core/ data center switches

1GE departmental switches

1GE lab switches

The CAEN NetworkThe CAEN Network

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Windows-native Windows-native Network StorageNetwork Storage

Goals:

• Provide 1GB Windows-native home directories

• Consolidate Windows fileservers

• Centralize Windows storage for Exchange and SQL

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• Highly-available NAS home directories and departmental Windows file servers

• High-performance network interfaces and disk storage solution

• Integrated, user-accessible snapshots• Weekly full backups to tape library in

separate campus building

Dell|EMC SAN SolutionDell|EMC SAN Solution

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Dell|EMC SAN ComponentsDell|EMC SAN Components

Exchange SQL

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• Low-cost alternative to EMC NAS

• High-capacity storage (20TB or more)

• Features are targeted at departmental needs

• No regular tape backups*

Departmental Storage InitiativeDepartmental Storage Initiative

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Departmental Storage SolutionDepartmental Storage Solution

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ONStor NAS FeaturesONStor NAS Features• NFS for Mac or UNIX clients• Windows CIFS for Mac or Windows clients• Storage capacity – 40PB (40,000 TB)• Filesystem capacity – 100TB

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ONStor CIFS accessONStor CIFS access

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ONStor CIFS access (cont.)ONStor CIFS access (cont.)

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U of MCAMPUS

LAN

U of MCAMPUS

LAN

Many Possibilities…Many Possibilities…

CAEN CAEN LANLAN

CAEN CAEN LANLAN

CAEN NASCIFS

CAENDepartmental NAS

NFS and CIFS

ICPSR NASNFS and CIFS

MSIS NASCIFS

Remote NDMP

Replication?

Rem

ote ND

MP

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Lessons LearnedLessons LearnedNAS/SAN gateway appliances….

Reduce labor costs• Software intelligence and automation• Self-service user restores• Leverage enterprise directory services like LDAP, Active Directory or NIS

Reduce hardware costs• Purpose-built appliances• Software license consolidation• Leverage existing hardware and infrastructure

Improve availability and performance• Hardware virtualization• Remote backups and replication for Disaster Recovery

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Questions?Questions?

Email klewis@umich.edu !