Storage – 6 disk raid 1 0

I have an HP Smart Array P400i raid controller, with 6 disks, working in RAID 10. This is what it looks like:

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Mirror Group 0:
physicaldrive 1I:1:1 (port 1I:box 1:bay 1, SAS, 72 GB, OK)
physicaldrive 1I:1:2 (port 1I :box 1:bay 2, SAS, 72 GB, OK)
physicaldrive 1I:1:3 (port 1I:box 1:bay 3, SAS, 72 GB, OK)
Mirror Group 1:< br /> physicaldrive 1I:1:4 (port 1I:box 1:bay 4, SAS, 72 GB, OK)
physicaldrive 2I:1:5 (port 2I:box 1:bay 5, SAS, 72 GB , OK)
physicaldrive 2I:1:6 (port 2I:box 1:bay 6, SAS, 72 GB, OK)

If my understanding is correct, drives 1 and 2 are possible It will fail, RAID will still work.

This does not seem right to me, I am thinking about RAID 1 0, 6 drives should look like this:

< pre>Mirror Group 0:
physicaldrive 1I:1:1 (port 1I:box 1:bay 1, SAS, 72 GB, OK)
physicaldrive 1I:1:2 (port 1I:box 1: bay 2, SAS, 72 GB, OK)
Mirror Group 1:
physicaldrive 1I:1:3 (port 1I:box 1:bay 3, SAS, 72 GB, OK)
physicaldrive 1I:1:4 (port 1I:box 1:bay 4, SAS, 72 GB, OK)
Mirror Group 2:
physicaldrive 2I:1:5 (port 2I:box 1:bay 5, SAS, 72 GB, OK)
physicaldrive 2I:1:6 (port 2I:box 1:bay 6, SAS, 72 GB, OK)

The data will be striped across 3 mirror pairs.

Both configurations are possible, or is it just the first?

You cannot select the drive arrangement/pair.

Here In this arrangement, the HP Smart Array controller splits the disk into:

physicaldrive 1I:1:1 pairs to physicaldrive 1I:1:4 
physicaldrive 1I: 1:2 pairs to physicaldrive 2I:1:5
physicaldrive 1I:1:3 pairs to physicaldrive 2I:1:6

RAID 1 0 == RAID 1 pair, striped (RAID 0)Together…

You can lose one disk from each pair listed above. Or, one drive per “mirror group”.

In addition: What are the different widely used RAID levels and when should I consider them?

I have an HP Smart Array P400i raid controller with 6 disks and work in RAID 10. This is what it looks like:

Mirror Group 0:
physicaldrive 1I:1:1 (port 1I:box 1:bay 1, SAS, 72 GB, OK)
physicaldrive 1I:1:2 (port 1I:box 1:bay 2, SAS, 72 GB, OK)
physicaldrive 1I:1:3 (port 1I:box 1:bay 3 , SAS, 72 GB, OK)
Mirror Group 1:
physicaldrive 1I:1:4 (port 1I:box 1:bay 4, SAS, 72 GB, OK)
physicaldrive 2I: 1:5 (port 2I:box 1:bay 5, SAS, 72 GB, OK)
physicaldrive 2I:1:6 (port 2I:box 1:bay 6, SAS, 72 GB, OK)

If my understanding is correct, drives 1 and 2 may If it fails, RAID is still okay.

This doesn’t seem right to me, I am thinking about RAID 10, 6 drives should look like this:

Mirror Group 0:
physicaldrive 1I:1:1 (port 1I:box 1:bay 1, SAS, 72 GB, OK)
physicaldrive 1I:1:2 (port 1I:box 1:bay 2, SAS, 72 GB, OK)
Mirror Group 1:
physicaldrive 1I:1:3 (port 1I:box 1:bay 3, SAS, 72 GB, OK)
physicaldrive 1I :1:4 (port 1I:box 1:bay 4, SAS, 72 GB, OK)
Mirror Group 2:
physicaldrive 2I:1:5 (port 2I:box 1:bay 5, SAS , 72 GB, OK)
physicaldrive 2I:1:6 (port 2I:box 1:bay 6, SAS, 72 GB, OK)

Data will be striped across 3 mirror pairs化.

Both configurations are possible, or is it just the first one?

You cannot choose the drive arrangement/pair.

In this arrangement, the HP Smart Array controller separates the disks. Divided into:

physicaldrive 1I:1:1 pairs to physicaldrive 1I:1:4 
physicaldrive 1I:1:2 pairs to physicaldrive 2I:1:5< br />physicaldrive 1I:1:3 pairs to physicaldrive 2I:1:6

RAID 1 0 == RAID 1 pair, striped (RAID 0) together…

You can lose one disk from each pair listed above. Or, one drive per “mirror group”.

In addition: What are the different widely used RAID levels and when should I consider them ?

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