Non-tiered virtual disk possible in a pool with tiered storage? RRS feed

  • Question

  • I have a Server 2019 Datacenter with 6 SAS HDD disks (4x 6TB, 2x 8TB) and 4 NVMe disks (4x 1TB).

    I have created a storage pool with all the above disks and created 2 storage tiers:

    New-StorageTier -StoragePoolFriendlyName Pool1 -FriendlyName SSD_Tier -MediaType SSD
    New-StorageTier -StoragePoolFriendlyName Pool1 -FriendlyName HDD_Tier -MediaType HDD

    I plan to create a 2-way 2-column mirror with tiered storage (all of the NVMe capacity + 10TB HDD storage):

    $ssd_tier = Get-StorageTier -FriendlyName SSD_Tier
    $hdd_tier = Get-StorageTier -FriendlyName HDD_Tier
    New-VirtualDisk -StoragePoolFriendlyName "Pool1" -FriendlyName "2wMirrorTiered" -StorageTiers  @($ssd_tier, $hdd_tier) -StorageTierSizes (Get-StorageTierSupportedSize $ssd_tier.FriendlyName).TierSizeMax, 10TB -ResiliencySettingName  Mirror -PhysicalDiskRedundancy 1 -NumberOfColumns 2 -WriteCacheSize 10GB
    Can I then still create a non-tiered 3-way 2-column mirror with the remaining HDD capacity in the HDD_Tier ?
    Friday, September 20, 2019 4:30 PM


  • I can reply to my own question: yes, this is possible.
    • Marked as answer by AGij Sunday, September 22, 2019 5:58 PM
    Sunday, September 22, 2019 5:57 PM

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