VolumeCopy Chapter Command-line interface and Script Editor Chapter Advanced maintenance Appendix A. Additional instructions for FlashCopy logical drives. Subscribe to newsletter. LinkedIn RSS. United States. Note: This is publication is now archived. For reference only. Published 06 March View online Download PDF More options Permanent link Rate and comment based on 4 reviews Tell us what you think.
Technical Paper DS 1. Email US! Click on Image for rear view of the DS Back to Top. Step 2: Add EXP enclosures. Many options are available to uplift this protection to higher levels. Back to Top Step 3: Add Drives. Step 4: Add Host Kit. A FlashCopy logical drive is a point-in-time image of a logical drive. It is the logical equivalent of a complete physical copy, but you create it much more quickly than a physical copy. Plus it requires less disk space. In DS Storage Manager, the logical drive from which you are basing the FlashCopy, called the base logical drive, must be a standard logical drive in the Storage Subsystem.
Typically, you create a FlashCopy so that an application for example, an application to take backups can access the FlashCopy and read the data while the base logical drive remains online and user-accessible. When the backup completes, the FlashCopy logical drive is no longer needed it is usually disabled rather than delete. This feature is designed as a system management tool for tasks such as relocating data to other drives for hardware upgrades or performance management, data backup, and restoring snapshot logical drive data.
A VolumeCopy creates a complete physical replication of one logical drive source to another target within the same Storage Subsystem. The target logical drive is an exact copy or clone of the source logical drive.
Because VolumeCopy is a full point-in-time replication, it allows for analysis, mining, and testing without any degradation of the production logical drive performance.
The Enhanced Remote Mirroring is a redesign of the former Remote Volume Mirroring and now offers three different operating modes: Metro Mirroring Metro Mirroring is a synchronous mirroring mode. Any host write request is written to the primary local Storage Subsystem and then transferred to the secondary remote Storage Subsystem. The remote storage controller reports the result of the write request operation to the local storage controller which reports it to the host.
This mode is called synchronous, because the host application does not get the write request result until the write request has been executed on both local and remote storage controllers. This mode corresponds to the former RVM functionality. Your email address will not be published. Save my name, email, and website in this browser for the next time I comment. Really thank you! Really Cool. Leave a Reply Cancel reply Your email address will not be published.
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