Questions tagged [synology]

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

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btrfs mount error "can't read superblock"

I have a synology nas drive in raid6 that had a drive failed. I replaced the drive and had two other drives kicked off the raid after a power failure crashing the storage pool. I was able to move all ...
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)...
1 vote
1 answer
4k views

synology docker rocket chat setup

I have a question reg. running RocketChat from a Synology NAS DS415+ The Docker is a GUI version installed from Package Center. You download the image and launch a container - then run through a UI ...
0 votes
1 answer
28 views

Total space in bkps using rsync and hardlinks: who is right between du and Synlogy web interface?

I bkp my server root partition on a Synology NAS (fs: btrfs) mounted as NFS on /mnt/bkps using this script that is based on rsync and hard links, to to have daily bkps. If I check the space using du ...
0 votes
1 answer
45 views

how to setup failover network with docker on synology

I have one synology nas with 2 nic and I have two different internet connect from 2 different ISP. and I am using cloudflare zero trust service in my docker on synology. that nas server nics connect ...
0 votes
0 answers
40 views

Synology Docker - Automatically start server with nodemon

I'm a beginner with docker. In Synology, I'm able to create a container through an image via their UI and customize it without touching any configuration file. When I configure my container to run the ...
0 votes
1 answer
171 views

Synology NAS, Nginx, php-fpm, file not found

Hello and a happy new year! I also get the very common but annoying error: "File not found". Now, i am trying to be as precise as possible and hope somebody knows what the problem is. Short ...
0 votes
1 answer
741 views

RTNETLINK answers: Cannot assign requested address

161: ovs_bond0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1 link/ether 00:11:32:xx:xx:xx brd ff:ff:ff:ff:ff:ff inet 192.168.0.20/24 brd 192.168....
7 votes
2 answers
8k views

Stop SoftEther from routing all traffic through the VPN

I have successfully set-up SoftEther on my AWS free tier machine, and put a small apache2 instance on there. I can access the webpage via VPN from windows, Mac & Linux. BUT - when the VPN client ...
1 vote
1 answer
3k views

Synology DS218+ NAS new folder can not be seen from remote log in

I am getting some odd behaviour on my client's NAS, a Synology DS218+ the TLDR is that it's not letting me see a new folder from remote. The DS218+ is a machine that is new to me, and I'm learning ...
0 votes
0 answers
181 views

Connect to Synology NAS with AD computer account

I need to access a Synology SMB shared folder with the use of a computer account. I have joined the Synology to the domain, but I only see the user accounts and even adding Domain Computers to the ...
1 vote
2 answers
6k views

How do I set up an nginx reverse proxy for Synology drive?

tl;dr I tried setting up nginx to forward a TCP connection over 6690 to Synology Drive. But when using listen 6690 ssl; the Synology Drive Client cannot find the NAS, and when using listen 6690; (...
-1 votes
1 answer
174 views

I can't start any VMs on Synology Nas 920+ Virtualization Manager

I was having trouble starting any VM on the Virtualization manager on my Synology 920+ with DSM version DSM 7.2-64570 Update 1. Nothing worked. I was trying all the Ubuntu's mainly server, but desktop ...
4 votes
1 answer
7k views

OPENVPN route all traffic - Synology

I have a synology NAS that is my OPENVPN server. I am always on the road and I want to route all of my traffic through my house. Here is my config and my log. config file dev tun tls-client ...
0 votes
1 answer
101 views

Can not read from Synology NAS from Windows OS, but Linux access works fine

So as mentioned in the title: we have a Windows machine here needing access to a samba share on a Synology NAS. This machine can not access it and Windows responds with "wrong username/password&...
5 votes
3 answers
2k views

User directory does not exist when logging in via ssh to a Synology NAS

On a Synology NAS with DSM 7.0 I have created through the Graphical UI a dedicated admin user (as recommended in Synology's setup procedure), then I have enabled ssh login and now I can ssh into the ...
0 votes
0 answers
877 views

MACVLAN Docker containers on Synology NAS with 2 VLANs cannot reach the host

I have 2 VLANs on ETH1 port on Synology DSM 7.2. I use the MACVLAN driver, so my containers look like "seperate computers" on the network. I can reach the container from the network and I ...
0 votes
0 answers
41 views

Access to SMB folder from LocalService account

this is the situation: I have a Synology server with file folder normally accessible from the windows domain computers; I also have onto the primary domain server an application built onto Apache ...
0 votes
1 answer
188 views

Is my traffic to my Synology leaving my network?

I have a Synology DS723+. I currently have it port forwarded and set up using the Synology dynamic DNS service. It works great, I can access it from outside my network with no problem. However, I ...
6 votes
1 answer
5k views

SMART - Understanding Offline Data Collection

I have two Kingston A400 120GB SSD as cache in a Synology NAS, which don't seem to support automatic offline data collection. # smartctl -d sat -c /dev/sdc | grep -i "Auto Offline data collection" ...
0 votes
1 answer
865 views

Synology join LDAP domain: failed to load user data

I'm currently trying to setup SSO on a synology nas using Keycloak and ApacheDS. I've successfully joined the domain and can finally see all users and groups in the directory and I can edit the groups ...
0 votes
0 answers
268 views

IIS_IUSRS doesn't exist to be added on Synology share

I used to have my website running on a physical Windows Server 2016 machine with IIS 10 which accessed its data files on an old Netgear NAS. I have since replaced the NAS with a Synology RS815+ ...
1 vote
1 answer
635 views

Recover Raid in Synology DSM 7

After a DSM update, an issue with Synology branded cache drives caused my pool to crash and become unavailable. The 3 dots on the bottom only had the option to remove the pool, no option to enable ...
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-...
0 votes
0 answers
495 views

Traefik on Synology: LetsEncrypt says it has DNS issues but the certificate file looks valid

My curent Network: Router - 192.168.1.1 (static) Windows PC - 192.168.1.10 (static) Synology NAS - 192.168.1.11 (static) DockerPihole - 192.168.1.12 (macvlan-static) DockerUnbound ...
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 ...
1 vote
0 answers
394 views

Logging into DSM7 NAS hangs after entering password

My network is based on Ubiquiti Unifi devices and has some printers and assorted clients, and a Synology NAS running DSM7. A few days ago the network suddenly developed problems. It's beginning to ...
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 ...
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 ...
0 votes
1 answer
2k views

I can only connect to OpenVPN server with IPv6, not IPv4

I've setup an OpenVPN server on my Synology Router and have trouble getting both an IPv4 and and IPv6 connection working correctly. Initially I was having huge headaches figuring this out but I've ...
1 vote
1 answer
1k views

Growing a RAID-10 on Synology NAS?

I was hoping to add two additional disks to my Synology NAS. Currently it is configured as a four disk RAID-10, no SHR, BTRFS, single volume system. Unfortunately extending a RAID-10 is not possible ...
0 votes
1 answer
177 views

Can't make http requests upon an OpenVPN connection to a Synology NAS

I have a working OpenVPN Server on a Synology NAS. All works fine if I try to connect with Tunnelblick. However, if I use the OpenVPN client on a mobile device, I can't perform any http request. My ...
0 votes
1 answer
63 views

Access to specific domain from specific IP in local network

I have in my local network some docker containers with firefox that running on different ports like 5801, 5802, etc. So that only the device from which the launch was requested was accessible, i used ...
0 votes
2 answers
3k views

Expanding synology virtual machine disk - disk space not recognized

I've created a Virtual Machine in Synology Disk Station Manager (an ubuntu server) with a specific amount of storage space in a virtual disk, but I have depleted it. Went to Synology Disk Station / ...
1 vote
4 answers
5k views

SFTP login accepted, SSH login denied by Synology NAS

On a Synology NAS, I want to enable SFTP and SSH for some non-admin users. (SSH mainly for pushing to git repos on the NAS.) What works I was able to make SFTP work with different clients on Mac ...
9 votes
2 answers
17k views

How to set the default shell when chsh is not present

I've a Synology DS412+ NAS box running Busybox, which has a default shell of ash. Previously, ipkg install optware-devel was run and it installed bash and set it as the default shell. Running ipkg ...
0 votes
1 answer
2k views

How to use public certificates with OpenVPN on Synology DSM?

I have set up my Synology DSM to acquire and renew certificates from Let's Encrypt using acme.sh. The problem is as follows: Synology's VPN Center package automatically picks up the default ...
3 votes
1 answer
3k views

How do I renew letsencrypt SSL certificates on Synology DSM?

It seems that for some reason the certificates that are generated with LetsEncrypt are not renewed automatically by latest Synology DSM. I tried the CLI, but it fails sudo syno-letsencrypt renew-all ...
-1 votes
1 answer
262 views

What are the required networks (physical and virtual) for a 3-node VMM cluster?

I'm setting up a 3-Node Synology Virtual Machine Manager cluster and I am unclear on how to properly setup the dedicated cluster network vs other networks. I've read through all of Synology's guides ...
0 votes
1 answer
1k views

Removal of one HDD (2TB) from a storage pool gives me warnings (2TB+8TB+8TB SHR)

I have 3 drives in Storage Pool 1 and want to remove one of the drives (2TB). I went to Storage Manager and deactivate the small drive and now gives me warnings. I plan to later add another 8TB but in ...
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 ...
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 ...
0 votes
1 answer
2k views

Synology docker, how to "not set" exposed ports when using dockers in a network

When I add a docker to a bridge network, normally (when doing it on my local pc) I can leave exposed ports "open" without connecting them to an external port. This has as advantage that the port ...
0 votes
1 answer
3k views

Pushing local DNS server through openVPN on mobile connection

I have an OpenVPN server running on my Synology NAS on local IP 192.168.9.36. I have an application on the NAS running on local IP 192.168.9.36:1234 and I have a reverse proxy that allows me to access ...
0 votes
1 answer
2k views

Synology DSM shared folder deleted but still showing on network

I created a shared folder on DSM and used it for Folder Redirection with a Windows GPO. Then I deleted the GPO and deleted the Shared Folder on the Synology. It doesn't show up anywhere on the DSM, ...
1 vote
1 answer
2k views

Removing chroot jail on Synology Diskstation 4.1

I'm administrating a Synology Diskstation 412 with DSM 4.1 and I need to be able to upload files to the filesystem via SFTP. However, when I enable the built-in SFTP server in the DSM, it always jails ...
0 votes
1 answer
363 views

Synology DS420+, mariadb permission denied in /volume1/logs/mysql

I would like to put the MariaDB logs in an easily accessible place (without having to go through the ssh), but I couldn't do it. My current configuration is as follows: [mysqld] general_log ...
3 votes
1 answer
2k views

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 ...
0 votes
1 answer
2k views

Rails 3 passenger nginx application spawner server error on Synology NAS

Question updated, please read UPD2. I'm trying to deploy app through passenger nginx module on DS710+ (ruby 1.9.2p0 installed). There is syntax error relative to has_and_belongs_to_many_association....
1 vote
0 answers
793 views

UPS network shutdown for Synology and ESXi, USB UPS

I have had a USB UPS for a while now and although I've never had a power outage with it and my Synology NAS, in testing it's worked great connected just with USB to the NAS. Now I've added an ESXi ...

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