Release Notes

Table 8. SCv2000 Series Features and Licenses (continued)
Licenses or Bundles Licensed Features
● Local Data Protection
○ Data Instant Replay (Snapshots)
○ Manual Replay (Snapshots)
● Remote Data Protection (Asynchronous replication only)
New features
The following features have been added in this release:
Table 9. New features in Storage Center 7.5.1
Feature Feature Description
Custom port for Syslog server Added the ability to specify a custom port for sending Storage Center logs to a syslog
server.
Deletion of virtual ports from fault
domains
Added the ability to delete unused virtual ports from a storage system.
Removal of all ports from fault
domains
Added the ability to remove ports from a fault domain and delete a fault domain without
any ports.
NOTE: This feature is not supported on SCv2000 Series and SCv3000 Series
storage systems.
Changed features
The following features have been changed in this release:
Table 10. Changed features in 7.5.1
Feature Feature Description
Controller name in Storage Center
alerts
Added the controller name to Storage Center alerts to help customers identify the
storage system to which an alert applies.
Deduplication and Compression
Thread Offload
Deduplication and compression can now use more CPU without impacting front-end
I/O on the storage system, which increases the effectiveness of deduplication and
compression background operations.
Distributed sparing Added the ability to see the progress of disk optimization for Distributed Sparing from
the Disks view.
Enhanced Disk Fault Management
(EDFM)
Enhanced the drive fault processing behavior to reduce the extremely low risk of drive
faults negatively impacting storage system performance.
General performance improvements Improved the performance of supported storage systems.
RAID and Distributed Spare
Enhancements
Enabled the recovery of data from RAID stripes with offset media errors that are
unrecoverable without smaller sized read attempts.
RAID overhead reporting Added System RAID Overhead Ratio and Estimated Usable Space to Available Space
Usage on the Storage Center Summary page. Added the RAID Overhead Multiplier
value to the automated storage reports Disk Folder, Volume, and Volume Folder.
Enhanced space reporting Improved the reporting of usable space on a Storage Center.
Volume Advisor Added the ability to lock a volume to a Storage Center to prevent Volume Advisor from
recommending that the volume be moved.
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