Hello guys,
yesterday i created my first NAS with OMV 
I started the "RAID Creation" over night.
I have 2x 4TB WD HDDs in mirror raid 1 build now.
But in "RAID Administration" i have 4x rows to this raid 1 build. 
Which row is the right and which one i should use for bind in and what does it mean with the 4 rows.
I put the screenshots to the attachements.
Thanks 
This is weird, from pictures i visualize:
sda st2000lm 2TB not mounted so far.
sdb Your booting device with 108 GiB in sdb1. It is not shown in HDD list, why ?
sdc wd 4TB unit 1 for your mirror.
sdd wd 4TB unit 2 for your mirror.
Filesystems:
/dev/md0p2 ext4, it seems your mirror, but without size information !!
/dev/sdb1 ext4, Your booting device.
RAID:
This is really extrange. I assume your want a RAID (mirror) of the full disk, so you don't need to partition it before. I think here there should be only the entry md0.
I would wait for others opinion, I'm new with OMV, but it seem like there were some errors and it is misconfigured.
I would delete RAID entries and recreate the mirror from scratch.
Sorry for my bad english and thanks for your answer. 
Yes forget the first Screenshot. I forgot to screenshot the boot device a 128GB SSD, too.
I have mounted the 2TB device now.
The boot device is mounted too, ofc.
All fine.
My problem now are the 2x 4 TB devices.
I created over night the mirror raid but now i have 4 partition of the raid (screenshot 3).
Now i wanna mount this raid to my omv but i dont know which partition i should take.
Partition 1 with 3.64TB oder partition 3 with 3.63TB?
In Filesystem list OMV suggest me the md0p2 with 3.63TB but i am not sure if this is right.
I can go over create button and chose the 3.64TB too.
Are there errors or is this right and what should i choose?
My other question is md0p3. Its 7.66GB big. What does it means?
And what does the 977 Kib Partition means?
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