Trouble with Array setup

[king1153]

Just recently installed unRAID on a completely new custom built setup with 4 6TB drives. I installed 6.3.3 and registered the 30 day trial.

 

I went to the array, added one as a parity, and the rest as disks. It is saying the configuration is valid, so I hit start, and the page begins to load something. I am not getting any messages on the bottom left of the browser like most people get about the progress of the array startup. The page finishes loading and loads the exact same array configuration page I had in the first place.

 

I rebooted with only 1 drive and no parity. I launched the array and the same exact thing happened. I attached the log for the 1 drive test.

 

I'd be great if it worked!

tower-syslog-20170406-2239.zip

Edited April 8, 2017 by king1153

[Squid]

Try Settings - Display Settings - Display world-wide-name in device ID - Automatic

Edited April 9, 2017 by Squid

[JorgeB]

You have at least one 4kn disk (ST6000NM0004), those are currently not supported by unRAID, support is expected soon but not before v6.4.

[skylark]

You have at least one 4kn disk (ST6000NM0004), those are currently not supported by unRAID, support is expected soon but not before v6.4.

Can i ask what the perceived problem is with this particular drive and why?

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[JorgeB]

Most disks emulate 512byte sectors, but there are increasingly more 4kb native disks, these are not yet compatible with unRAID.

 

Usually both variants are available, e.g.:

 

ST6000NM0004 - 6TB - 4kn

ST6000NM0024 - 6TB - 512e

 

Only the latter currently works wit unRAID.

 

[Zonediver]

Thats the reason why i am using only WD-REDs, when i change a disk - they have all 512e - even the 8TB.

Edited April 9, 2017 by Zonediver

[king1153]

Thanks for the help, I would've never thought that would be the issue.

 

I'm mainly concered about the disadvantages the 512byte sectors would cause on a 6tb drive vs the 4k sectors. I've looked a bit online but all the info I'm getting is from 2010, so it'd be nice if I could get a more modern opinion. Also, most of the individual files on the server will be around 20-30gb, so I'm thinking 4k sectors might be better?

 

It seems the 4k sector trend began around 2011. How come its taken that much time for unRAID to get support?

 

I'm thinking for the time being, I should probably use a different os that supports 4k sectors, and then switch back to unraid once support arrives.

 

 

Edited April 9, 2017 by king1153

[JorgeB]

4k disks with 512 Byte emulation (aka 512e, aka advanced format) appeared around 2010 and IIRC are supported by unRAID since v4.7.

 

4k native disks (aka 4kn, aka advanced format 4kn) are much less common and AFAIK don't have any real advantages compared with 512e disks for the common user (as long as the partition is properly 4k aligned like in unRAID).

 

There's always a label on the disk:

 

AF supported since v4.7, AF 4kn currently not supported.

 

Edited April 9, 2017 by johnnie.black

[king1153]

Just ordered the ST6000NM0115 (the modern version of the ST6000NM0024).

Datasheet is here: http://www.seagate.com/www-content/datasheets/pdfs/ent-cap-3-5-hdd-data-sheetDS1882-3-1610US-en_US.pdf 4th page

 

These should be okay, right?

[JorgeB]

8 hours ago, king1153 said:

These should be okay, right?

 

Yes, those will work.

[skylark]

Thanks for the explanation jb.

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