ESXi

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  • 1.  Cisco UCS server local disks - Do not support UNMAP

    Posted Jun 20, 2017 04:53 PM

    I tried the reclaimed function on Cisco UCS server local disk, but it was fail ... Any idea? Not support on Cisco UCS server?

    ~ # esxcli storage vmfs extent list

    Volume Name       VMFS UUID                            Extent Number  Device Name                           Partition

    ----------------  -----------------------------------  -------------  ------------------------------------  ---------

    ABCESXi03_local  54f6cxxxxxxxxxx7144xxxxxxxxxxb501109f              0  naa.600508e00000000020xxxxxxxxx         3

    ~ # esxcli storage vmfs unmap -l ABCESXi03_local 

    Devices backing volume 54f6cxxxxxxxxxx7144xxxxxxxxxxb501109f do not support UNMAP

    ~ # esxcli storage vmfs unmap -u 54f6cxxxxxxxxxx7144xxxxxxxxxxb501109f

    Devices backing volume 54f6cxxxxxxxxxx7144xxxxxxxxxxb501109f do not support UNMAP

    ~ #



  • 2.  RE: Cisco UCS server local disks - Do not support UNMAP

    Posted Jun 20, 2017 05:46 PM

    I'm not sure, but I don't think the VAAI commandos work with local disks, but I don't think you need them. I think when you delete something on a local datastore its really deleted, and doesn't require an unmap command



  • 3.  RE: Cisco UCS server local disks - Do not support UNMAP

    Posted Jun 22, 2017 04:10 PM

    Reclaim thin-provisioned VMs on deleted space, that cannot support on local hard disk???

    As local disk, that would release the space on thin-provisioned VM on deleted data???



  • 4.  RE: Cisco UCS server local disks - Do not support UNMAP

    Posted Jun 22, 2017 06:26 PM

    Reclaiming can be done only on supported devices. There are some work around to do if you have windows machine , worth to try

    How to free up VMware ESXi local drive VMFS datastore space after deleting data in a thin provisioned Windows VM - SDele…



  • 5.  RE: Cisco UCS server local disks - Do not support UNMAP

    Posted Jun 23, 2017 03:38 AM

    Thanks for your help~ Sureshkumar M,

    Actually, I have a Windows 7 VM, which is the thin-provisioned VM and the used space is 75.6GB.

    Current VM spaces (Used 75.6GB):

    Current datastore used space on the VM (Have the Virtual Disk of the VM used 85,829,632.00 KB  ~around 85 GB):

    Can reclaim the space of 10 GB back???... Now, I deleted more 5GB. When can it reclaim back? Local Disk cannot reclaim??