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[resolved] 2.06.03.cdv to...
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Official NAS Application ...
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extra extensions in Apac...
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Is thecus deied?
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[ Nextcloud ] OwnCloud fo...
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OS7 Firmware update 3.02....
Forum: N5550
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How to connect N5550 to L...
Forum: N5550
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11-16-2018, 05:07 AM
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Redundant file sharing ar...
Forum: N7700PRO v2/N8800PRO v2
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  SAS disks in N12910SAS or N16910SAS
Posted by: Baliste - 04-26-2018, 12:19 AM - Forum: N12910SAS/N16910SAS - Replies (1)


It seems obvious than N12910SAS or N16910SAS support SAS disks, but in the comparison sheet, they only suport "SATA for internal, support SATA II / SATA III hard disk".

So do those NAS ending in SAS support SAS disk drives ?



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  N8200XXX - shares not accessible by IP AND Domain but else
Posted by: Kaspato0 - 04-10-2018, 06:26 PM - Forum: N5200XXX/1U4200XXX/N8200XXX - Replies (2)


some weird situation.
The thecus (N8200XXX, FW: is added to Domain such that we can access FileShares by our domain accounts.
I am logged in on a server with my domain credentials where from I now want to access the thecus shares.

When opening Windows Explorer and typing "\\123.456.7.8" I get asked for credentials.
a) Typing in my Domain credentials do not work.
b) Typing in "admin" credentials do work, share is shown.

When opening Windows Explorer and typing "\\thecus.mydomain.local" I get NOT asked for credentials. Shares are shown directly.

So it seems that domain-function is not available in combination with using the thecus' IP.
A colleague and me often used the IP access in the past few years and it ever worked before.

There havnt been any known changes on thecus in the near past but on domain (fresh newly installation a year ago).
Pinging "thecus.mydomain.local" from any machine resolves to "123.456.7.8".
All colleagues do have the same behaviour, access tries from any other machine also.

So my question is: what could had happen to change this behaviour?
Any help would be greatful.

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Exclamation N8800Pro encryption key failed
Posted by: bertieuk - 04-09-2018, 07:03 PM - Forum: N7700PRO/N8800PRO - Replies (1)

I have an N8800Pro with 8 x 1Tb drives. An old unit but has worked ok until now.

2 weeks ago we suffered a power outage. This caused 1 failed drive on powering on the N8800, so left system rebuilding (I have RAID6). Once complete, rebooted (to load encryption key) and another drive failed. Replaced 1st failed drive and let rebuild. Replaced 2nd failed drive and let rebuild. Now raid is fully healthy.

However, the encryption key for the raid fails every time. I have the key backed up and tried this, still fail. Different USB drive, still fails.

Has the encryption on the unit somehow corrupted with the failure of the drives / power outage?

Because all the modules are on the RAID, I can't connect via ssh, etc. either.

p.s Unit has Firmware 5.02.02

p.p.s I have a second N880Pro unit, exactly the same but Firmware, can I move all the drives to this unit and try the key?

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  The RAID array collapsed.
Posted by: AlexKasatkin - 04-09-2018, 12:58 AM - Forum: N5550 - Replies (2)

I'm using an N5550 with
I have a RAID5 setup with five disks - 4 disks are combined in RAID5 and one in hot-swappable mode.
The access to the data on the network has disappeared.
I decided to check the disks for bad blocks.
On all discs launched "Start Scan Blokk"
For a long time the discs were checked.
The state of the RAID array has become "Destroyed"
Restarted the NAS.
The status of the RAID array is "Building: 0.0%" and does not change over time.
You can not see the piles of the array either.

Tell me how to restore the work of NAS?
And that my data is all gone?

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Posted by: Beasty Boy - 03-31-2018, 04:54 PM - Forum: Third party modules - No Replies

Is it possible to use Virtualbox on N5200XXX?
If yes, how to...


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  Active Directory Share Folder User ACl login with space not working
Posted by: ruimota - 03-26-2018, 10:19 PM - Forum: N4910U/N4910UPRO - Replies (3)


We have 5 Thecus Linux NAS and recently we received 2 new N4910U-R.
These 2 new systems have a problem on the Shared Folder USER ACL, when editing permission for Active directory users with space on the login name.
For example:

Share Folder - TEST
Username1 (active directory): andrew neville
Username2 (Active directory): John.Smith

After aplying READ or WRITE or DENY a message informs "Success Edit Folders Sucessful" but no permissions are saved on Username1.

This error does not happen on the Thecus Linux NAS with older firmware

Both systems have the following Firmware:
N4910U-R version: 3.02.03

Is there any workaround or fix for these issues?


Rui Mota 

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  N2810PRO als ROON Server ?
Posted by: heesters - 03-26-2018, 06:13 AM - Forum: General [German Support] - Replies (1)

wie kann ich in Erfahrung bringen, ob es in Planung ist, daß THECUS NAS-Geräte als ROON Server benutzt werden können.
Für QNAP und SYNOLOGY gibt es bereits diesbgl. eine APP.


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  Bad performance N5550
Posted by: commy - 03-25-2018, 06:28 PM - Forum: N5550 - Replies (4)

Hi all!

I have a Thecus N5550 and would like to sync 1 TB over Network to it (over SMB interface).

The issue is the bad performance I get. Only 30 MBit can be transfered (around 3,0-3,5 MB per second).

I tried the following to increase the performance:

- LAN connection on PC (1 GBit)
- Network Link aggregation on Thecus (2 x 1 GBit - not only one port than before)
- Stopping all unnecessary services on Thecus Interface
- Firmware Upgrade on Thecus to newest version (

Nothing changed on the bad performance.

Installed are five ST3000VM002 (3 TB Seagate) hdd and at the moment I used 9000 GB of available 11079 GB.

Do you have any idea how to get a better performance?

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  Raid is healthy but all files gone?
Posted by: Hixbot - 03-25-2018, 11:14 AM - Forum: N5550 - Replies (1)

I have a 10tb drive as JBOD in my first raid volume.  4x4tb Raid 5 in my second raid volume.   Two raid volumes, the jbod 10tb drive is dev/md0, i gave it the identity "Drive 1" and is the "master raid" with all the modules and system folders.

I tried enabling NFS on "drive1" experimented with it and then decided I didn't want it so I removed the nfs share.  I rebooted the NAS and discovered all the data on "drive 1" is gone!  The master raid system folders and modules etc are still there, but my "drive 1" share is empty.
It's like it was all deleted when I removed the NFS share!  Funny thing is as soon as I removed the share I heard the drive start spinning and seeking for like 5 minutes before the removal action finished, I thought it was removing nfs permissions or something, but I guess it was deleting everything!

I had 8 terabytes out of 10 terabytes, now its 6 gigabytes out of 10 terabytes!  Raid volume appears healthy.  of course I'm not going to write any files, because I need to find a way to recover my data.  unfortunately my transmission torrent module automatically wrote a downloads folder as it autostarted on boot up and tried to resume my torrents.

I have backups of alot of the data but not all.   I could use testdisk to recover deleted partitions but that would mean I'd have to remove the drive and add it to a linux computer.  Although, the jbod raid volume is intact on the NAS, and I would lose that also if I removed the drive and installed it on a linux machine.  

so I feel like it would make more sense to run testdisk on the NAS directly via commandline.  having trouble building testdisk for the n5550.

any help or advice would be appreciated!

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