Commands for giving freed space back to storage. ESA turns them on out of the box; OSA and VMFS5 require enabling them or running them by hand, while VMFS6 reclaims automatically.
Read more: Broadcom TechDocs
In the Ultra Transcenders books
Each book explains TRIM/UNMAP in context, with comparison tables and the common traps.
Terms in this definition
- General-purpose v1
The older storage account kind (
Storage), which lacks access tiers, Archive and premium file shares and retires on 13 October 2026. Converting to ZRS requires first upgrading to GPv2, a one-way change.
Related terms
- vSAN space efficiency
Features that cut how much raw capacity vSAN needs, including compression, deduplication, TRIM/UNMAP and RAID-5/6 erasure coding. What is available varies between OSA and ESA.