Summary of changes
This topic summarizes changes to the current version of the IBM Spectrum Scale Erasure Code Edition.
The following changes are made in the current release:
- Support for online rolling upgrade with install toolkit
- Support for new types of LSI RAID Controller Cards
- Procedure for checking LSI cards disk location slots and remapping
- Added disk Key Performance Indicators (KPIs)
- Changed procedures corresponding to enhancements in the mmvdisk suspend node command
- Procedure for uninstalling/cleaning up IBM Spectrum Scale Erasure Code Edition from your cluster.
- Support for new type of LSI Fusion-MPT Tri-Mode HBAs
- Supports configuration template and new pagepool change method
- Supports reclaim disk space for declustered array of NVMe disks
- Support for setting up a secondary replica with synchronous mirroring by using GPFS replication
- Troubleshoot section is enhanced to address the following:
- Issues relating to creating recovery groups or adding nodes
- Suspended node issues during the online upgrade
- Issues relating to disks not being part of the recovery group after creating a recovery group or adding a new node
- Physical disk procedures have been revised to include the steps for determining the disks that have a problem.
- Support for adding new recovery group into the existing IBM Spectrum Scale Erasure Code Edition cluster.
- A new tool, ecedrivemapping is introduced to assist users with mapping drives from IBM Spectrum Scale Erasure Code Edition 5.0.5.5 release. For more information, see Setting up IBM Spectrum Scale Erasure Code Edition for disk slot location.