Dell EqualLogic PS6610ES EqualLogic Group Manager Administrator s Guide PS Ser - Page 164
Convert a Template Volume to a Standard Volume, About Data Center Bridging
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The following restrictions apply: • You cannot detach a thin clone if replication is enabled for the thin clone. • If you detach a thin clone from a template volume, the thin clone is converted to a standard volume and no longer shares space with the template volume. • The volume reserve for the thin clone increases by the amount of space the thin clone shares with the template volume. • When you detach a thin clone from a template volume that is bound to a member or has a RAID preference, the resulting volume does not inherit the binding or the RAID preference. To detach a thin clone from a template volume: 1. Click Volumes. 2. Expand Volumes and then select the thin clone. 3. Click Detach from template. 4. Confirm that you want to detach the thin clone. Convert a Template Volume to a Standard Volume You can create template volumes and then later convert them to standard volumes, with the following restrictions: • You cannot convert a template volume to a standard volume if thin clones are attached to the template volume. • If a template volume is configured for replication, you must disable replication before you convert a template volume to a volume. • Space used to store template replicas on the secondary group becomes unmanaged if you convert a template volume to a standard volume. To convert a template volume to a standard volume: 1. Click Volumes. 2. Expand Volumes and then select the volume name. 3. Click Convert to volume. 4. Confirm that you want to convert the template volume to a standard volume. About Data Center Bridging Data center bridging (DCB) is a set of extensions to IEEE Ethernet standards, intended to improve the performance, controllability, and reliability of the Ethernet fabric. DCB can make Ethernet the unified fabric for different types and priorities of data traffic in the data center. The DCB enhancements are aimed to: • Improve Ethernet performance • Reduce or eliminate lost packets for lossless traffic classes • Provide the ability to define classes of traffic, which can have differing bandwidth, priority, and frame loss characteristics, enabling: - Pause per class - Ability to independently pause based on user priorities or classes of service - Bandwidth allocation or traffic class prioritization - Ability to provide different service characteristics to traffic classes - End-to-end congestion management - Ability to notify sender of rate limiting transmission to avoid frame loss • Enable deterministic performance during congestion • Provide a unified fabric for converged SAN and LAN for improved scalability and performance. NOTE: • All group members must be running PS Series firmware version 6.0 or later to use DCB. • All group members must be 10Gb-based arrays. Mixed groups of 1Gb and 10Gb arrays are not supported. 164 About Volumes
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