Using SANs and NAS: Help for Storage Administrators [NOOK Book]

Overview

Data is the lifeblood of modern business, and modern data centers have extremely demanding requirements for size, speed, and reliability. Storage Area Networks (SANs) and Network Attached Storage (NAS) allow organizations to manage and back up huge file systems quickly, thereby keeping their lifeblood flowing. W. Curtis Preston's insightful book takes you through the ins and outs of building and managing large data centers using SANs and NAS.

As a network administrator you're ...

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Using SANs and NAS: Help for Storage Administrators

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Overview

Data is the lifeblood of modern business, and modern data centers have extremely demanding requirements for size, speed, and reliability. Storage Area Networks (SANs) and Network Attached Storage (NAS) allow organizations to manage and back up huge file systems quickly, thereby keeping their lifeblood flowing. W. Curtis Preston's insightful book takes you through the ins and outs of building and managing large data centers using SANs and NAS.

As a network administrator you're aware that multi-terabyte data stores are common and petabyte data stores are starting to appear. Given this much data, how do you ensure that it is available all the time, that access times and throughput are reasonable, and that the data can be backed up and restored in a timely manner? SANs and NAS provide solutions that help you work through these problems, with special attention to the difficulty of backing up huge data stores.

This book explains the similarities and differences of SANs and NAS to help you determine which, or both, of these complementing technologies are appropriate for your network. Using SANs, for instance, is a way to share multiple devices (tape drives and disk drives) for storage, while NAS is a means for centrally storing files so they can be shared. Preston exams each technology with a vendor neutral approach, starting with the building blocks of a SAN and how they can be assembled for effective storage solutions. He covers day-to-day management and backup and recovery for both SANs and NAS in detail.

Whether you're a seasoned storage administrator or a network administrator charged with taking on this role, you'll find all the information you need to make informed architecture and data management decisions. The book fans out to explore technologies such as RAID and other forms of monitoring that will help complement your data center. With an eye on the future, other technologies that might affect the architecture and management of the data center are explored. This is sure to be an essential volume in any network administrator's or storage administrator's library.

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Product Details

  • ISBN-13: 9780596552077
  • Publisher: O'Reilly Media, Incorporated
  • Publication date: 2/5/2002
  • Sold by: Barnes & Noble
  • Format: eBook
  • Edition number: 1
  • Pages: 226
  • Sales rank: 501,591
  • File size: 3 MB

Meet the Author

Preston has specialized in designing backup and recovery systems for more then six years, and has designed such systems for many environments, both large and small. Having designed backup systems for environments with small budgets, Curtis has developed a number of freely available tools, including ones that perform live backups of Oracle, Informix, and Sybase.

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Table of Contents

Preface
1 What Are SANs and NAS? 1
From SCSI to SANs 1
What Is a SAN? 5
Backup and Recovery: Before SANs 6
From NFS and SMB to NAS 10
SAN Versus NAS: A Summary 13
Which Is Right for You? 14
2 Fibre Channel Architecture 19
Fibre Channel: An Overview 19
Fibre Channel Ports 24
Fibre Channel Topologies 25
SAN Building Blocks 32
Fibre Channel and SANs: A Summary 39
3 Managing a SAN 40
The Different Uses for SANs 40
SAN Issues to Be Managed 42
Access to Storage Resources 45
Ongoing Maintenance 56
Using SANs to Maximize Your Storage 59
Summary 65
4 SAN Backup and Recovery 66
Overview 66
LAN-Free Backups 68
Client-Free Backups 84
Server-Free Backups 105
LAN-Free, Client-Free, or Server-Free? 112
5 NAS Architecture 114
What's Wrong with Standard NFS and CIFS? 114
NFS and CIFS Advances 118
System Architecture Advances 123
High Availability and Scalability 126
Low Total Cost of Ownership (TCO) 128
Ease of Maintenance 129
Ease of Use 131
6 Managing NAS 132
The Different Uses for NAS 132
Installing a Filer 134
Configuring a Filer 136
Applications 150
Data Migration 151
Maintenance 154
Monitoring, Analyzing, and Reporting 157
Performance Tuning 160
7 NAS Backup and Recovery 162
Snapshots and Mirroring 162
Native Utilities 166
NFS/CIFS 166
Push Agent Software 169
NDMP 170
What About LAN-Free, Client-Free, and Server-Free Backup? 183
Database Backup and Recovery 184
Benefits Summary 186
A Disruptive Technologies 189
B RAID Levels 194
Index 199
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