Dell EqualLogic Master Glossary PS Series Firmware Version 10.0 FS Series Firmware Version 4.
Notes, cautions, and warnings NOTE: A NOTE indicates important information that helps you make better use of your product. CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. Copyright © 2018 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries.
About This Manual . Dell EqualLogic PS Series arrays optimize resources by automating capacity, performance, and network load balancing. Additionally, PS Series arrays offer all-inclusive array management software and firmware updates. Dell EqualLogic FS Series appliances, when combined with PS Series arrays, offer a high-performance, high-availability, scalable NAS solution.
Glossary Definitions This master glossary defines the storage technology terminology that is specific to Dell EqualLogic. If a term has unique meaning in the context of hardware or of a specific software application, that context is indicated. See the SNIA Dictionary (http://www.snia.org/education/dictionary/) for definitions of any industry-standard storage terms used in this manual.
2. (Group Manager) A volume that has snapshots. Snapshots depend on the base volume; if the base volume is destroyed, the snapshots are removed. C cloning The process of creating a new copy of an object such as a volume. The new object is the same type and has the same contents as the original. Contrast with thin clone. control module (Hardware) The processor and interface component in a PS Series array.
H Host Integration Tools for Linux (HIT for Linux) A suite of tools that integrate Linux systems with PS Series storage arrays. It includes the Remote Setup Wizard Command Line Interface (RSWCLI), the EqualLogic Host Performance and Configuration Tuning Suite (eqltune), and EqualLogic Log Gathering Facility (eqllog). Host Integration Tools for VMware (HIT/VMware) A suite of tools that integrate ESX systems with PS Series storage arrays.
NAS controller (Group Manager) One of two redundant, hot-swappable controllers in a NAS appliance. Together, the controllers are sometimes referred to as a NAS controller pair. NAS data reduction (Network-attached storage) Process that analyzes files to determine if multiple copies of an individual file or portions of a file, or blocks, can be saved in a more efficient format. NAS data rehydration (Network-attached storage) Restores data that was reduced during the data reduction process.
replica A point-in-time representation of a PS Series volume. The original volume and its replica are located on different PS Series groups (replication partners) potentially separated by some geographical distance to facilitate disaster tolerance. replica collection (Group Manager) The set of replicas resulting from each replication of a volume collection. replica collection set (Group Manager) The set of replica collections for a volume collection.
• Extends the existing snapshot and local replica borrowing capability to enable borrowing from unused delegated space • Provides borrowing to remote replicas so that they can borrow space beyond their replica reserve (similar to snapshot borrowing) SupportAssist An optional component of SAN Headquarters that enables you to collect, and optionally upload, PS Series group configuration diagnostic data to Dell Technical Support for analysis and diagnosis.
