Using SANs and NAS
著者
書誌事項
Using SANs and NAS
O'Reilly, 2002
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注記
Includes index
内容説明・目次
内容説明
Data is the lifeblood of modern business, and modern data centres have 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 centres using SANs and NAS. Network administrators are aware that multi-terabyte data stores are common and petabyte data stores are starting to appear. Given this much data, how can they 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 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 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 examines 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.
目次
Preface 1. What Are SANs and NAS? From SCSI to SANs What Is a SAN? Backup and Recovery: Before SANs From NFS and SMB to NAS SAN Versus NAS: A Summary Which Is Right for You? 2. Fibre Channel Architecture Fibre Channel: An Overview Fibre Channel Ports Fibre Channel Topologies SAN Building Blocks Fibre Channel and SANs: A Summary 3. Managing a SAN The Different Uses for SANs SAN Issues to Be Managed Access to Storage Resources Ongoing Maintenance Using SANS to Maximize Your Storage Summary 4. SAN Backup and Recovery Overview LAN-Free Backups Client-Free Backups Server-Free Backups LAN-Free, Client-Free, or Server-Free? 5. NAS Architecture What's Wrong with Standard NFS and CIFS? NFS and CIFS Advances System Architecture Advances High Availability and Scalability Low Total Cost of Ownership (TCO) Ease of Maintenance Ease of Use 6. Managing NAS The Different Uses for NAS Installing a Filer Configuring a Filer Applications Data Migration Maintenance Monitoring, Analyzing, and Reporting Performance Tuning 7. NAS Backup and Recovery Snapshots and Mirroring Native Utilities NFS/CIFS Push Agent Software NDMP What About LAN-Free, Client-Free, and Server-Free Backup? Database Backup and Recovery Benefits Summary A. Disruptive Technologies B. RAID Levels Index
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