unmap

  1. T

    ZFS ZFS, UNMAP and VMware ESXi troubles

    Hello. I'm seeing quite a lot of UNMAP failed messages on our FreeBSD servers ever since we migrated from VMFS5 to VMFS6 datastores on our vSphere cluster. Happens on both thin and thick provisioned disks. There have been instances where servers just stopped responding after a couple of failed...
    • Tomas Engin
    • Thread
    • 12.1-release 12.2-release esxi unmap vmware zfs
    • Replies: 5
    • Forum: Storage
  2. Martin Garcia

    Solved Reclaim unused space on a virtual machine on a sparse vm

    Hello, I have this exact issue, https://blogs.oracle.com/solaris/zfs-on-disk-images-reclaiming-unused-space-v2/comment-submitted?cid=57c69e34-f90a-4064-bb6b-30a9375352a4 I have virtual machines (FTP, WEB, MySQL servers) on KVM sometime ago it was filled with some files or sites that are no...
    • Martin Garcia
    • Thread
    • kvm libvirt qemu reclaim shrink sparse thin provisioning trim unmap zfs
    • Replies: 16
    • Forum: Storage
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