Searching for Vmfs 3 Support Thin Provisioning information? Find all needed info by using official links provided below.
https://docs.vmware.com/en/VMware-vSphere/6.7/com.vmware.vsphere.storage.doc/GUID-08CBB1F0-0CF5-4783-9A12-EB3B5A2BB830.html
The ESXi host integrates with block-based storage and performs these tasks: The host can recognize underlying thin-provisioned LUNs and monitor their space use to avoid running out of physical space. The LUN space might change if, for example, your VMFS datastore expands or if you use Storage vMotion to migrate virtual machines to the thin-provisioned LUN.
https://communities.vmware.com/thread/121987?start=0
Aug 25, 2010 · According to a statement in the following knowledgebase, ESX 3.5 does not surrpot thin-provisoined disks. I am not sure if this is for VMFS and NFS, as thin-provisioned is the default deployment method for NFS.
https://pubs.vmware.com/vsphere-50/topic/com.vmware.vsphere.storage.doc_50/GUID-08CBB1F0-0CF5-4783-9A12-EB3B5A2BB830.html
Array Thin Provisioning and VMFS Datastores. ... A VMFS datastore that you deploy on the thin-provisioned LUN can detect only the logical size of the LUN. For example, if the array reports 2TB of storage while in reality the array provides only 1TB, the datastore considers 2TB to be the LUN's size. ... ESXi does not support enabling and ...
https://www.vembu.com/blog/reclaiming-thin-provisioned-storage-space-with-vmware-unmap/
Home / Posts / Reclaiming Thin Provisioned Storage Space with VMware UNMAP. ... Once the blocks are “written” by VMFS with thin provisioning, even if the files are deleted in the guest operating system, these blocks are not automatically reclaimed without the VMware UNMAP process. ... Reclaiming Thin Provisioned Storage Space with VMware ...
https://pubs.vmware.com/vsphere-50/topic/com.vmware.vsphere.storage.doc_50/GUID-7552DAD4-1809-4687-B46E-ED9BB42CE277.html
Support of greater than 2TB storage devices for each VMFS extent. Increased resource limits such as file descriptors. Standard 1MB file system block size with support of 2TB virtual disks. Support of greater than 2TB disk size for RDMs in physical compatibility mode. ... For information, see Array Thin Provisioning and VMFS Datastores.
https://docs.vmware.com/en/VMware-vSphere/6.0/com.vmware.vsphere.storage.doc/GUID-08CBB1F0-0CF5-4783-9A12-EB3B5A2BB830.html
A VMFS datastore that you deploy on the thin-provisioned LUN can detect only the logical size of the LUN. For example, if the array reports 2TB of storage while in reality the array provides only 1TB, the datastore considers 2TB to be the LUN's size. ... ESXi does not support enabling and disabling of thin provisioning on a storage device ...
https://kb.netapp.com/app/answers/answer_view/a_id/1030691/~/how-to-enable-unmap-on-existing-thin-volumes-for-vmware-esxi-
How to enable UNMAP on existing Thin Volumes for VMware ESXi . Document ID Document ID HO862. Answer ID Answer ID 1030691. ... Note: In the case of VMware ESXi, only Thin Volumes with VMFS-5 or VMFS-3 datastores on them will support UNMAP operations directly from the VMware ESXi host. ... Verify that "Thin Provisioning Status" field for device ...
http://www.yellow-bricks.com/2011/02/25/re-vmfs-3-versions-%e2%80%93-maybe-you-should-upgrade-your-vmfs/
Feb 25, 2011 · ESX 3.5 VMFS 3.31 key new feature: optimistic locking; ESX 4.0 VMFS 3.33 key new feature: optimistic IO; The good thing about it is that you can use all features on all versions. In ESX4 thin provisioning was introduced but it does need the VMFS to be 3.33. It will still work on 3.21. The changes in the VMFS is primarily regarding the handling ...
https://www.vmware.com/content/dam/digitalmarketing/vmware/en/pdf/techpaper/VMware-DynamicStorageProv-WP-EN.pdf
thin provisioning operates with array-based thin provisioning and dynamic expansion of virtual disks, VMFS volumes, and LUNs within the array. Background Thin provisioning is a way to conserve storage resources by assigning only what is needed to back an allocation of space instead of allocating the full amount of space requested.
https://blogs.vmware.com/virtualblocks/2018/09/10/vmware-vsan-6-7u1-storage-reclamation-trim-unmap/
Sep 10, 2018 · VMware vSAN supports thin provisioning, which lets you, in the beginning, use just as much storage capacity as currently needed and then add the required amount of storage space at a later time. Using the vSAN thin provisioning feature, you can create virtual disks in a thin format. For a thin virtual disk, vSAN provisions the entire space required for the disk’s current and future ...
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