In his how-to piece on managing the ZFS Storage Appliance with JavaScript Peter Brouwer covers three approaches: grouping CLI commands in a file to perform batch processing; executing user-defined scripts; and using workflows. Brouwer writes that his article primarily provides details on how to use JavaScript programming features within the Sun ZFS Storage Appliance, as well as providing detail on the Sun ZFS Storage Appliance script architecture, the JavaScript interface into the appliance, and methods for executing scripts. The piece is not, he cautions readers, a tutorial for the JavaScript language nor the appliance's CLI command language.
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Working from the assumption that there are DBAs with MySQL sitting idle on their corporate servers, Patrick Hurley was written "MySQL: An Introduction for Oracle DBAs," which employs a comprehensive approach that begins with connecting to MySQL and extends through such necessaries as determining which sessions are currently connected to MySQL; which users are defined and what is the scope of their authority; what are the techniques for backup and restore; and how does one install MySQL. This is truly introductory but nevertheless useful material, especially for DBAs who have not wet their feet in the mysterious MySQL waters.
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In his post on dtrace.org Adam Leventhal summarizes the 10th anniversary celebration of the creation of ZFS. The post includes three videos on the subject, the first of which is with Matt Ahrens, co-creator of ZFS, who discusses the new stable ZFS interface designed for programmatic consumers of the solution. John Kennedy explains his work on the ZFS test suite, and Chris Siden of Delphix discusses his work on ZFS feature flags and Async Destroy, which allows datasets to be destroyed asynchronously in the background, which is especially helpful when gigantic datasets need to be erased, Leventhal observes.
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" Lots of IT shops use data deduplication for backups, but far fewer use the technology with primary storage. For what types of data does deduplication make sense with primary storage? ..."
We all know abut the dramatic savings that dedupe can have on backup space and data is not often accessed. Serious questions need to be asked before we move dedupe into Tier 1 storage. There may be a place in "Primary Storage Deduplication Helping with VMs and Virtual Desktops." The questions have to do with rebuild times and vendor change.
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MySQL Enterprise Backup 3.7.0 (MEB 3.7.0) is available with several advanced features that include:
Redo Log only Incremental Backup
Incremental Backup without specifying LSN
Validation of Backup Image using checksums
Hot Backup of InnoDB .frm files
Performance Improvements and
Enhancements for Third-Party Media Managers
Users can download the MEB 3.7.0 package from the Oracle Software Delivery Cloud web site. MySQL Enterprise customers can deploy MEB 3.7.0 immediately, while users without a MySQL Enterprise license can evaluate MEB 3.7.0 free for 30 days with the request send feedback to mysql-backup_ww@oracle.com.
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