Datacore SANsymphony-V 10 Release

Nach mehreren Vorankündigungen ist Datacore SANsymphony-V 10 nun offiziell verfügbar.

Neben zahlreichen Fehlerkoorekturen wurden auch neue Funtionen hinzugefügt. Die interessanteste hiervon ist meiner Meinung eine Erweiterung des Auto Tiering. Ab Version 10 werden nicht nur Read-IO für die Heatmap verwendet sondern auch Write-IO. Ein sehr wichtiges Feature, das in der V9 noch fehlte. Die Funktion ist erreichbar über den „Create Storage Profile“ Tab und ist bisher noch als experimentell eingestuft, jedoch mit vollem Support durch Datacore

Hier ein Auszug aus den original Releasenotes von Datacore (Login erforderlich).

Virtual SAN Technology

  • Changes to support host-side installation of SANsymphony-V software.
  • Improved the way virtual disks that are served to a DataCore Server are displayed.
  • Added the ability to configure automatic login of iSCSI ports.

Auto-tiering Enhancements

  • Include write, as well as read, IOs when building the heat map. This feature is configurable via the Create Storage Profile tab. (Experimental)
  • „Intelligent rebalancing‟ ensures uniform distribution of virtual disk Storage Allocation Units (SAUs) across disks in a tier.
  • Ability to specify a percentage of reserved space per tier to be available for new SAU allocations.

Performance Improvements

  • Increased the minimum number of poller threads that are dedicated to servicing I/O from 1 to 2 (providing the system has more than 4 logical CPUs) to improve throughput.
  • Improved the algorithm to increase the number of threads dedicated to servicing I/O as the load increases.
  • Added additional performance counters for poller operations.

Disk Pool Optimizations

Provide a way to repair only failed SAU’s from a pool. This eliminates the need to rebuild the entire pool and selects only the required recovery mode (full or log-based) for disks in the pool.

Performance Visualization Improvements

  • Improved the disk pool heat display in the Allocation View by grouping together allocated SAUs and sorting by temperature, to more accurately depict the state of SAU allocation in disk pools.
  • Added new performance counters, including the maximum latency per I/O for physical disks and maximum I/O size per mapping. Added corresponding columns in various lists and alert monitors.
  • Added Host port counters for maximum I/O size and pending/outstanding commands per Initiator/Target nexus.
  • Display aggregated performance information for a whole server group in one view.
  • Added a Bandwidth Display in the System Health tab displaying latency and throughput for components in a tree view.

Transport Optimization

  • Qualified 40/56 GigE Ethernet
  • Added support for additional Qlogic 16 GB models.
  • Qualified Microsoft Windows 2012 or 2012 R2 NIC teaming (LBFO)

Large Configuration Support

Support for large configurations (32 DataCore Servers per Server Group), including disabling auto- login of iSCSI ports for configurations with more than 6 DataCore Servers in a Server Group.

Note on Experimental Features

Experimental features will be clearly labeled as such in the management console. These features have been implemented as experimental in order to gain an understanding of their continuing contribution to the software as case studies, analysis, and benchmarking continue to be developed. Features that carry an experimental label have been fully implemented and tested and are safe to use in production; however, the feature functionality is subject to change. Experimental features are supported and comments, suggestions, and issues may be reported to DataCore Technical Support as usual.

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