By Steven Nelson
Solid backup and restoration thoughts are key to the future health of any association. Medium- to very-large-scale structures directors need to defend quite a lot of serious information in addition to layout backup recommendations which are scalable and optimized to fulfill altering stipulations. professional information Backup and restoration will hide many of the extra universal backup purposes, corresponding to Symantec NetBackup / BackupExec, EMC NetWorker, and CommVault, however the major dialogue will concentrate on the implementation of twenty first century architectures that permit the backup software program to be a commodity merchandise. The underlying structure offers the framework for assembly the necessities of knowledge security for the association.
Read Online or Download Pro Data Backup and Recovery PDF
Best storage & retrieval books
The Semantic internet is a imaginative and prescient – the assumption of getting information on the internet outlined and associated in this type of manner that it may be utilized by machines not only for demonstrate reasons yet for automation, integration and reuse of information throughout quite a few purposes. Technically, even though, there's a common false impression that the Semantic net is basically a rehash of present AI and database paintings involved in encoding wisdom illustration formalisms in markup languages resembling RDF(S), DAML+OIL or OWL.
Because the ubiquity of the web has fostered extra curiosity in enterprise open air the U.S., the necessity for firms to determine their industry and aggressive setting in an international standpoint has compelled extra companies to imagine the world over. This booklet asks the specialists to bare their recommendations for locating foreign enterprise info on the internet.
Information mining encompasses a wide selection of actions equivalent to class, clustering, similarity research, summarization, organization rule and sequential trend discovery, etc. The publication specializes in the final formerly indexed actions. It presents a unified presentation of algorithms for organization rule and sequential trend discovery.
Many pros and scholars in engineering, technology, company, and different software fields have to boost Windows-based and web-enabled details structures to shop and use information for selection help, with no aid from expert programmers. besides the fact that, few books can be found to coach pros and scholars who're no longer specialist programmers to strengthen those info platforms.
- Data and Databases. Concepts in Practice
- Fundamentals of Music Processing: Audio, Analysis, Algorithms, Applications
- Google Power Search
- Digital Libraries. Integrating Content and Systems
- Advanced Database Systems
- Storage Area Networks: Designing and Implementing a Mass Storage System
Extra info for Pro Data Backup and Recovery
For very large environments, the SQL Server can be migrated to a separate server that is specifically tuned for database performance, thus gaining backup performance for full maximization. By using specifically tuned servers within a SQL Server farm, you can take advantage of standard SQL perf tuning techniques and gain performance out of the CommServe. Separating the SQL database backend of the CommServe also provides the additional benefit of giving the CommServe some resiliency. This separation allows the database to be protected with standard SQL utilities, such as log shipping or database replication, independent from the functions running on the CommServe.
In addition, disks do not suffer from any type of shoe-shining, so there is no minimum speed. The difference between disk and tape media targets can be summed up in this maxim: Tape operates at the speed of the slowest client, whereas disk operates at the speed of the fastest client up to the speed of the disk itself. What does this mean? As you saw previously, tape must maintain a transfer rate above a specific threshold in order to maintain efficient throughput. If the throughput falls below this threshold, the tape drive must stop and wait until the data can be pushed to the tape.
The initial LTO-1 provided 100 GB of native storage and 15 MB/sec, with current LTO-4 systems providing 400 GB of native storage at 160 MB/sec. LTO-5, just recently released, provides 800 G of native storage capacity, at the same 160 MB/sec. Sun/StorageTek T10000 (T10k) The Sun/StorageTek T10000 (T10k) represents a leader in proprietary tape storage technology in terms of capacity. The T10k is a proprietary format only produced by StorageTek and is typically found in environments where previous STK technologies (9840/9940) have been deployed either for open systems or mainframe.