Dell FluidFS Version 6.0 Release Notes
FluidFS Version 6.0.300135 New Features and Enhancements
Version 6.0.300135 provides the following new features and enhancements:
- Ability to manage FluidFS systems using Dell Storage Manager version 2018 R1
- FTP command support for the size request
SCSI Unmap Enhancement
SCSI Unmap is a FluidFS attribute that controls the way deleted file space is handled. When disabled, the SCSI Unmap setting will keep deleted file storage within the FluidFS storage pool. This means that when files are deleted, their storage pages remain “used” for the Storage Center management tools. When SCSI Unmap is enabled, deleting files also frees the storage pages at the block level and the storage will be marked as white space and able to be utilized by the Storage Center system for other block clients. SCSI unmap is now enabled by default when installing a new appliance.SCSI unmap is now enabled by default when installing a new appliance.
NOTE If you have any systems that were deployed using a version earlier than 6.0.300135,ensure that SCSI Unmap had been enabled to prevent unnecessary space from being consumed.
To enable SCSI unmap:
- In the Storage view, select a FluidFS cluster.
- Click the File System tab.
- In the NAS Pool Advanced Status area, click Edit Space Reclaming Settings.
- To enable SCSI Unmap, select the Enable SCSI Unmap (TRIM) checkbox.
- Click OK
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