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Multiple friendly names in storage tiering

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Hello everyone,

I recently managed to setup the following:
1 raid1 with 2 ssd drives for the hypervisor
1 raid1 with 2 ssd drives for storage tiering
1 raid5 with 4 hdd drives for storage tiering

I successfully manged to create a storage tiering by create a storage tiering pool and virtual disk with the letter D.
I moved my virtual machine to the D drive.
Now I would like to configure the VHDX file of the virtual machine to be pinned to the SSD part( just for testing purposes ) and later on move it to the HDD part.

If I enter the following powershell cmd:
get-storagetier | select friendlyname
the result is:
Microsoft_HDD_template
Microsoft_SSD_template
Storage tiering_Microsoft_ssd_template
Storage tiering_Microsoft HDD_template

Could someone explain me why there are 4 storage tiers as I only expect to see 1.
I must add that the size of the first 2 mentioned is 0 and the other 2 are the size of my ssd drive and the size of my harddrives.

Furthermore I would like to know how it could be possible to create a 65GB VHDX manually put it on the SSD tier and after running the scheduled optimization task it states completely on tier while the SSD disk in the tier is only 60GB.... I would expect it to say partially on tier... What am I missing.

Many thanks in advance.


Andre




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