Questions tagged [synology]

Synology is a company best known for its Network Attached Storage (NAS) product line.

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Synology NAS - rsync messing up versioning / deduplication

Is it true that Synology DSM 4.3's default rsync implementation is not able to handle "vast" amounts of data and could mess up versioning / deduplication? Could it be that any of the variables (see ...
Ambidex's user avatar
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3 votes
3 answers
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NAS synology cannot join to domain

I have problem with my NAS synology, 2 days ago my storage are disconnected from the domain, and since then I am not able to connect it back. When I try connect to the domain I see this error: Below ...
Mick's user avatar
  • 347
3 votes
2 answers
6k views

TLS from Radius for Wifi is rejected by Win7

We do have the following Setup at our company Synology RS812+ hosting LDAP, RADIUS, DNS (Version DSM 5.0-4458 Update 2) 2*Cisco Wifi APs WAP561 (Firmware 1.0.3.4) Cisco Router ISA500 (Firmware 1.2.19)...
pfried's user avatar
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2 votes
2 answers
4k views

Recover the file system from a corrupted RAID1

TL;DR How to recover the ext4 file system from a corrupted RAID1 partition? My situation I have one failed disk that belonged to an RAID1 array on a Synology DiskStation, the other one is lost. ...
Jakub's user avatar
  • 123
2 votes
4 answers
6k views

Let's Encrypt: use Subject Alternative Name for internal domain

My Synology NAS is capable of running the web interface via HTTPS. By default, you access the NAS via its name (say, mynas) so http(s)://myname:5001 or http(s)://myname.local. It defaults to an SSL ...
Jurian Sluiman's user avatar
2 votes
3 answers
22k views

Will expanding my Synology Hybrid RAID delete the data on the initial disk?

As the title states, I currently have my Synology NAS with a single 4TB drive in it. I now wish to expand this with another 4TB drive. If I expand the volume (it's currently setup as SHR) will the ...
Jovin J's user avatar
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2 votes
2 answers
7k views

Synology NAS: hdd hibernation and disk life [closed]

I've a Synology NAS with 2 WD Red hard drives. I've enabled the hibernation for the drives, so they stop after 20 minutes inactivity. However, we use the NAS a lot and the disks get powered up very ...
ItalyPaleAle's user avatar
2 votes
3 answers
11k views

Impossible to use the Package Center after upgrading DSM

I have just updated the DSM of a Synology Nas. DSM 5.2-5644 Update 2. It seems now I can no longer use the Package center. But, as I have not used the Package Center for a long time, I'm not 100% ...
Stephane Rolland's user avatar
2 votes
2 answers
3k views

fail2ban error on setting iptables on Synology NAS

I setup fail2ban 0.9.1 on my Synology NAS to handle failed SSH attempts. When I startup the jail I get the following errors in fail2ban.log: 2015-02-01 17:22:52,394 fail2ban.jail [30576]: ...
perelin's user avatar
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2 votes
3 answers
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2-way synchronisation across WAN - DFS, Synology?

our office is soon to get a little sister-office in another location. I'm struggling to understand how for example DFS could help get a proper 2-way-synchronisation done between the two locations - ...
ExternalUse's user avatar
2 votes
1 answer
973 views

How to load modules on Synology NAS on boot?

I have a Synology NAS (DSM 6.2.4) and I would like to load usbserial.ko and cp210x.ko on boot. When I run: sudo insmod /lib/modules/usbserial.ko sudo insmod /lib/modules/cp210x.ko The drivers work ...
guttermonk's user avatar
2 votes
1 answer
4k views

Synology Storage Manager rejects healthy disks as "Critical" because of "reset commands"?

I am trying to install a new HDD in my DS1515+. The hard drives are brand new Seagate Exos X. I have bought 3 of these drives, and 1 of them works fine and is now part of my storage pool, but the ...
Esben von Buchwald's user avatar
2 votes
2 answers
8k views

Multiple hostnames for a Synology NAS in local network

Is it possible to set up a Synology DS918+ NAS (which is just a Linux system) to be accessible via http://diskstation.local and http://laura.local at the same time? I have set up a reverse proxy on ...
Lukas's user avatar
  • 121
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1 answer
7k views

Synology VPN server limits the maximum number of concurent connections on DS216j with DSM 6.0

In Synology DiskStation DS216j with DSM 6.0 in the settings of VPN server for PPTP, OpenVPN and L2TP, there is a line "Maximum connection number" with possible options just 3 or 5. According to ...
FreekouT's user avatar
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2 votes
1 answer
2k views

NUT UPS-Dummy driver in repeater mode for Synology NAS

I have a NUT client that requires the UPS it monitors to be named ups. The client (a Synology NAS) does not provide a method to change this configuration. My setup consists of multiple UPSes monitored ...
Jon's user avatar
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1 answer
3k views

Synology QuickConnect Relay: Not Secure?

I was reading the QuickConnect whitepaper and was overall pretty impressed. But on page 10 it explains how the Relay service works and it’s implied (but not explicitly stated) that packets are ...
Hilydrow's user avatar
2 votes
1 answer
95 views

Hook second router to internet wirelessly?

I have a router hooked up to a modem, and I have another router. What I want to do, is have the router broadcast a completely different network than my other router, but still have my second router ...
whoff's user avatar
  • 123
2 votes
2 answers
4k views

NIC Team not achieving full Throughput

I'm trying to achieve 4Gbps throughput between my computer and my Synology Nas. Unfortunately I am only getting 1Gbps speeds between these systems. My setup is below: Synology DS1515+ with 4 NICS ...
Jaxian's user avatar
  • 169
2 votes
4 answers
16k views

Name resolution for Synology servers sometimes not working

I'm not really sure if this is a Synology issue or a Windows issue. I'm running all Windows 10 Pro machines on a Windows Server 2012 R2 domain. With somewhat disturbing frequency (let's say 5% of the ...
Daniel's user avatar
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2 votes
2 answers
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Cannot connect to my L2TP IPSec VPN

I am trying to get my VPN (L2TP IPSec PSK) to work. I have a Synology NAS where I have setup everything as it says on the Synology support page. In my Asus RT-N66U router I have opened UDP ports 500,...
Rox's user avatar
  • 441
2 votes
2 answers
4k views

VPN Access to a Synology NAS Behind a Firewall

I have a box that I want access to from outside the office (Synology NAS). I don't need access to the rest of the subnet, just that box. For the moment it's to use a git repo, but some day maybe file ...
Hounshell's user avatar
  • 121
2 votes
2 answers
15k views

Mount FTP folder on Synology (not CIFS)

I am trying to mount folder using the FTP protocol on my Synology. What I managed to do so far is to use the option mount remote folder of the file station, but you can only mount folders with CIFS ...
Brewal's user avatar
  • 128
2 votes
1 answer
4k views

Rsync: windows 7, synology: login error and permission denied error

Good day to all of you all, I'm running into strange/stupid errors, and I hope anybody would be so kind to help me out. I have to admit, I am by no means a guru, so please bear with me :-) Situation:...
loonboon's user avatar
2 votes
2 answers
8k views

How to add Synology NFS share to ESXi?

I have created an nfs share on a synology NAS. I want to add the share to an ESXi host, but without success. Configuration of the nfs share: I inserted the IP of the ESXi host, allowed read/write ...
mit's user avatar
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2 votes
1 answer
2k views

NFSv4.1 mount is extremly slow until remount

I have an issue that I don't know how to debug. I hope you can help me further with this. In my group, I administer a Linux compute cluster that consists of multiple compute machines and a Synology ...
Homan's user avatar
  • 21
2 votes
2 answers
7k views

How can I make synology reverse proxy work inside my local / private network and/or over VPN (and do I need to?)?

I have a Synology NAS accessible inside by local network over direct IP and URL: https://192.168.5.10 https://cloud.local I have docker running inside my synology NAS with some applications working ...
BMM's user avatar
  • 191
2 votes
1 answer
3k views

SFTP error on Synology DSM

I created a user (no root), I can connect with him over ssh, I can send files over scp but when I'm using sftp I get this error: subsystem request failed on channel 0 I checked /etc/ssh/sshd_config: ...
jootl's user avatar
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1 answer
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Unable to SSH to Synology NAS

Here is the sequence of events: I added my RSA key to .ssh/[my admin user], updated permission, and disabled SSH authentication by password months ago. I formatted my desktop and I forgot to re-...
HCSF's user avatar
  • 245
2 votes
1 answer
360 views

Strange routing behavior, Synology combined with OpenVPN

Essentially the setup I've got is WAN <-> OpenVPN running on OpenWRT running on WRT3200ACM <-> LAN -> Gigabit Switch -> RPI and synology The openVPN tun is working fine and dandy. I get an IP ...
ThomasRB's user avatar
2 votes
1 answer
3k views

Linux: rsync to mirror SMB mount to local disk is very slow

I try to mirror a share mounted via SMB to a local dir. The share is hosted on a Windows 2016 server on which I have no access nor can I install any tools. All I have therefore is an SMB share. The ...
TylerDurden's user avatar
2 votes
1 answer
113 views

Five-disk RAID configuration for media/archival server

I manage the media archival server for a small photography and graphic design business. We use a five-bay Synology DiskStation 1512+ to archive completed projects and to store TimeMachine backups. I ...
Bradd Szonye's user avatar
2 votes
1 answer
6k views

With OpenVPN how can I only let LAN go through the VPN?

So I have the following setup: Now from home I like to make a connection through OpenVPN to access my LAN from work. So I edit the config of the OpenVPN client on my home computer to: remote 180.135....
Mark's user avatar
  • 123
2 votes
1 answer
1k views

ESXI 5.5 NFS to NFS copy is slow

i'm running esxi 5.5u2 standalone with 3 datastores , (local , netapp (nfs) and synology (nfs ) There are two Gigabit network adapters configured. One per vswitch. One for storage and the other for ...
Max's user avatar
  • 482
2 votes
1 answer
7k views

synology ds212j slow transfer speed

I have Synology DS212j and I'm getting REALLY slow transfer speed, about ~10MB/s. I used following knowledge base in order to troubleshoot it: What should I do if file transfers are slow? - FAQ - ...
alexus's user avatar
  • 13.4k
2 votes
1 answer
1k views

VMware ESXi <> Synology NFS Share (Physical Switch Redundancy)

This is my storage network: ESXi Host(Dual 10gb NICs) >> 2xNetgear xs712T >> Synology RS10613xs+ (Dual 10gb NICs) ESXi vmnic1 >> NG Switch 1 >> Syn NIC 1 ESXi vmnic2 >> NG Switch 2 >> Syn NIC 2 ...
TSfotec's user avatar
  • 21
2 votes
3 answers
15k views

NAS shares cannot be accessed by name in a domain

I have a NAS (Synology DS411, DSM 4.3) that was configured to be joined to an AD domain. Privileges were appropriately set on the shares and everything was fine. I (foolishly) changed the name of the ...
Mac's user avatar
  • 318
2 votes
0 answers
3k views

Access local network via Synology OpenVPN

I'm trying to access my LAN via a Synology NAS with the OpenVPN package. My router IP is 192.168.1.1 and my Synology NAS IP is 192.168.1.100. They are both connected to a managed Netgear switch ...
user563844's user avatar
2 votes
2 answers
7k views

Will I be able to expand Synology later without losing data with regular RAID

I just got Synology 918+ and bought 2x10 TB Hard drives. Before I set up, I just want to avoid getting into trouble in the future. I don't want to use SHR (Synology hybrid raid) because of several ...
Bhavesh G's user avatar
  • 135
2 votes
0 answers
5k views

How to re-enable DSM web interface

I managed to disable my DSM web interface and now I struggle to re-enable it. I am on DS716+. This is what I did: From still working DSM console I disabled php 7.0 (I wanted to install version 7.2). ...
callmebob's user avatar
  • 143
2 votes
0 answers
113 views

Synology NAS DS216+II 8TB SHR with data protection to non data protection without losing data

I have an 8TB Synology NAS in SHR with data protection, which is about to be full. As data protection takes up 4TB, I would like to make use of it as a normal drive. As I have my data backed up ...
zaw's user avatar
  • 121
2 votes
1 answer
2k views

Suspicious ssh log entries (“Accepted none for anonymous”)

I got this log entry chain (and similar repeatedly) on my server: Nov 24 07:38:59 server sshd[28676]: SSH: Server;Ltype: Version;Remote: 54.38.81.12-40482;Protocol: 2.0;Client: OpenSSH_7.2p2 Ubuntu-...
Cigydd's user avatar
  • 21
2 votes
1 answer
1k views

Small VMDK file

I have a brand new VMWare ESXi 6.5 standalone host. I created a VM and installed Ubuntu 16.04.1 server onto it. I noticed that the VMDK file is only 549 bytes after installation. The VM runs just fine....
jackbean818's user avatar
2 votes
2 answers
3k views

Best RAID config for Data Backup NAS?

Currently looking in to a NAS backup solution which will primarily be used for storing images of a few employees laptops and also storing some internal data. Most likely going to go with the Synology ...
DanBarber's user avatar
2 votes
0 answers
6k views

How to setup/overcome file size limitation/"file too large" error in samba/cifs 2.1 on Synology DS214 with DSM 5

I'm mounting a samba share with some sparse files over cifs with -o username=user,gid=999,uid=999,rw,vers=1.0. The NAS has 3TB capacity and 500 GB free disk space, creating a 4TB sparse file with ...
Kalle Richter's user avatar
2 votes
0 answers
1k views

Trac standalone reading htpasswd file, but still says Authentication information not available

I am having some problems correctly configuring my trac server. I'm running Tracd 0.12.1 on a Synology DS411. I've followed this guide, I can browse the issues in trac, but if I try to log in, it ...
Frederik's user avatar
  • 121
2 votes
5 answers
11k views

Why do my backup fail when I target a network share hosted by a Synology DS211 disk station?

My backups are failing when I try to use a network share hosted by a Synology DS211 disk station. They work fine if I target a different network share (i.e. \server1\data\larry). When I run the ...
Larry's user avatar
  • 235
1 vote
4 answers
5k views

Windows 10 Pro workstation can no longer access Synology File Share

Note that I have also cross posted this to Synology forums. I'm posting here because I'm not sure if the problem is with Windows or with the Synology server: Background Dozens of workstations with ...
Daniel's user avatar
  • 1,614
1 vote
2 answers
218 views

NAS Hard drive configuration advice?

Just got a 4 bay NAS. I want to set it up as optimal as possible. I was thinking of getting 3 x 1TB hard drives and setting up as RAID 5. The disk usage will probably be around 1TB max but there is ...
user915831's user avatar
1 vote
1 answer
5k views

On synology dsm, add a specific nginx config to a specific virtual host

On a synology dsm we use an nginx webstation. On this webstation we have (several) virtual hosts. One example is that we wish to redirect all incoming traffic on port "282" (which is beyond ...
paul23's user avatar
  • 203
1 vote
1 answer
118 views

NAS storage comparison for Synology vs Overland [closed]

We are looking for NAS solution that will be used as secondary storage to hold large amount of data. We have received following proposals that are under our pre allocated budget. SnapServer XSR120 / ...
iBBi's user avatar
  • 367

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