Terramaster File size discrepancy.

[Yottabyte_AVD1]

Hello there,

 

I was about to purchase another NAS as my current one is almost full, then I noticed a size discrepancy on my NAS Server, and I am very confused on what exactly is going on.

 

I am running a Tettamaster F5-422

x4 4TB IronWolf in Raid 10 (1+0)  = 8TB Usable 8TB (as Personal Storage)

x1 8TB IronWolf in JBOD (as my Steam Library)

I have included a photo if it is any help.

 

Have a few questions.

One

I have example (on windows)

• size = 5TB
• Size on disk = 6TB

What is the cause of this?

 

Two

I have calculated my Steam Library as shown on image as Blue.

TOTAL of all files are only at:

 

Size: 1.99TB

Size on Disk: 2.26TB

 

On a 8TB single Disk it should have 6TB Free, but it reports as 1.31TB Free

What is this random 5.74TB of data? Where is it? What is it?

 

Three

On my personal Storage which is four 4TB drives on Raid 10 shown in Red.

Split up into 7 Shared folders as a category (acts as its own drive)

 

Why is it that the Toal file size is:

 

Size: Approx 4.5TB Big

Size on Disk: Approx 5.5TB Big

 

Is this a cause of Raid 10? Or the machine itself?

What is this random TB's of data? Where is it? What is it?

 

Either way I am quite confused, thankfully I noticed this before spending $3,000 Canadian bottles of maple syrup on a new NAS Solution.