power down the VM; SSH into your host and use the vmkfstools --punchzero command on the VMDK, which will convert your disk from thick to thin and clear out zeroed blocks. Resolution.
The procedure uses the vSphere Client and vCenter Server to perform this task.

Running ls -la can be misleading as it reports the new disks size as being its maximum possible size, in this case 5GB: It will start to clone to virtual hard disk in Thin Provision method. Its probably easier to explain using the following example. In the recent past of thick provisioned storage as the only option (still common in non-virtualized, local storage environments), administrators made educated guesses about the amount of disk space their systems would need. The allocated spaces of a thin provisioned virtual disk is equal to the used space plus a bunch of bytes while with a thick provisioned virtual disk the maximum capacity will be allocated despite the usage of the drive.


From Thick to Thin: vmkfstools –i "Thickdisk.vmdk" -d thin "Thindisk.vmdk". Using SDelete and vmkfstools to Reclaim Thin VMDK Space Using thin provisioned virtual disks can provide many benefits. To totally unlock this section you need to Log-in. Buenas, Hoy quiero añadir otra forma de convertir los discos de Thick a Thin y de Thin a Thick. Howto Shrink a Thin Provisioned Virtual Disk (VMDK) Posted by fgrehl on November 24, 2014 Leave a comment (25) Go to comments. 18 Comments . Thick-to-thin and thin-to-thick virtual disk provisioning conversion is one of the most common operations performed by the IT staff administering a virtual environment.

En capítulos anteriores utilice VMware Converter, Migrando la vM, con inflate desde el vSphere Client… hoy toca la ultima opción que conozco o recuerde de convertir los discos, hablamos del comando vmkfstools. This may depend on how the Thick is applied: - If you have applied an SP (Storage Policy) to the VMs/Disks with OSR=100(Object Space Reservation) then applying an identical SP with OSR=0 should Thin these instantly. When extending a VMDK which is EagerZeroedThick, the extended part is only LazyZeroed. vmkfstoolsは、VMFS ボリューム、ストレージ デバイス、および仮想ディスクを管理するための ESXi Shell コマンドの 1 つです。vmkfstoolsコマンドを使用して多くのストレージ操作を実行できます。たとえば、物理パーティションで VMFS データストアを作成および管理する、または VMFS または NFS … Option … To create a thin provisioned virtual disk we need to use the diskformat option, vmkfstools -c 5G –diskformat thin testdisk2.vmdk. I do not know a single system where you do not have at least 10GB of free space for OS disks. By default this will create a thick disk using a Bus Logic virtual adapter. Thin provisioning of virtual disks has been a quiet benefit to IT administrators working in virtual environments. If there is, most likely something like a backup program has gone wrong and you'll need to repair the virtual disk/s first.

Thick Disk to Thin Disk. Conclusion: vSphere 5.5 storage vMotion can convert thick VM to thin …