Questions tagged [synology]

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

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Does a Synology DS36xx have any kind of battery-backed cache for the RAID controller?

I've used Dell Perc RAID controllers in the past. In those systems, the (hardware) RAID controller usually has an onboard battery backup system that stores the cache state in the event of a sudden ...
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How to reset the resolv.conf file on a Synology Diskstation NAS?

Quick question from a newbie: Is there a way to simply reset the resolv.conf file? According to Synology support, my resolv.conf shows some strange DNS servers, which I have never specified. How can I ...
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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 ...
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Issues during Synology NAS LUN backup

I'm having an issue with my Synology DS210j, DSM 4.2-3211 version. NAS LUN backup fail issues began occurring for some time, with different backup tasks failing. Issue reported in logs for this job is:...
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btrfs - remove drive from raid array

I have 4 (3TB) drives used for backups inside my PC case I want to migrate to a NAS bay. I was wondering if the drives could be migrated over one at a time by disabling RAID. Here is the output from ...
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Wordpress on Ubuntu Server behind Synology Reverse Proxy (HTTP-HTTS) settings

I am currently setting up my website and need some help while setting the access as it should be. Here the facts: I have a static and public IPv4 address registered TLD (gear-trade.at) DNS entry ...
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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 ...
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Synology SHR Volume - Migrate from 3 disks (RAID5-ish) volume into 2 new disks (RAID1-ish)

What I have: 3 x 6TB SHR Volume with 12 TB redundant storage (1 disk recently broken) What I want: 2 x 18TB SHR volume with 18 TB redundant storage (I'll expand the volume after the migration) Of ...
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"Can't contact database" on Synology web server

I have a webpage that is trying to pull info from a database. The web services and the database are both running on a Synology server. I have the following installed on the Synology server: ...
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Establishing SSL with MariaDB10 on Synology

Can anyone please point me to a solution for enabling SSL connections for MariaDB10 on a Synology device? The device is a Synology NAS running DSM 7.0.1 (Update 2). I have: Created the recommended ...
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Transferring data between a QNAP and Synology NAS over distance

I have two NAS devices, one from Qnap, one from Synology, each in a different city and need to transfer tens of GB between them. The Synology is accessible through QuickConnect and the Qnap through ...
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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; (...
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Interactive Messages Crash Ubuntu Docker Container

Please keep in mind, I'm still learning Docker. I've only been at it for a few days. However, I'm trying to work with an Ubuntu:Latest Docker container. In the CMD line I have a shell script that runs ...
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How to make one volume with maximal capacity out of the two disks in a 2-bay NAS without striping

I have a Synology NAS with two disks which I want to combine to one large volume for backing up an other system. I don't need redundancy, so something like RAID 0 would do. However I don't need the ...
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Rsync from MacOS to Synology NAS: "@ERROR: host is denied to login"

I'm using a Synology S420j (running DSM 6.2.4-25556) to backup files from my Mac (Monterey v12.1) using the following command: rsync -avz --backup rsync-user@nas.local::backups/ This has previously ...
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Slow File Transfer Macbook to Synology/Proxmox Server using AFP

Noticed slow transfer speeds of ~35 MB/s when sending a single 5 GB file from my Macbook Pro to my NAS running on Xpenology/Synology in a Proxmox VM. The NAS is first mounted onto the Macbook Pro ...
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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 ...
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NAS rsync - delete files from destination which are not on source and are 1 week old

I have hyperbackup running from source NAS to destination NAS with the below settings Backup type - Rsync Options - reserve backup file at destination With this i have a backup method that results in ...
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How do I backup my Synology NAS to an an expansion unit to carry offsite?

My intent is to use an expansion unit (DX517) to backup my DS920+ NAS, say every week, and then carry it offsite. I hope I bought the right equipment! I'm an absolute novice at this. All I've done so ...
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How to properly setup Mullvad VPN with a Synology Diskstation

There's lots of howtos out there for this, and I've even (successfully!) followed them in the past to get my VPN setup on my Synology but for some reason, since I reset the box and wiped everything (...
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Using NGINX to Access Synology services without port numbers?

First, I apologize if this isn't the right forum as this is somewhat of a networking question. To give a brief explanation of what I want to achieve is basically have the services or apps provided by ...
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Cannot reach Synology NAS with Windows Explorer

I cannot access the office Synology NAS from one of the clients on the network, using Windows Explorer. When I click its icon in the Network section, I get an error: "Couldn't access \\...
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Recover BTRFS? bad magic on superblock on /dev/md2

so after a recent power outage my DS718+ RAID crashed. After investigation with Syno Support we also identified that my RAM was broken (already removed) and as it was not a officially supported RAM ...
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Active Backup for Business external VM

I am currently playing around with "Active Backup for Business" and an esxi Hypervisor hosted EXTERNALLY by "Hetzner", a Cloud provider. My goal is that when one of my servers fail ...
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ssh-copy-id does not update authorized_keys file

I can't configure ssh key on my Synology NAS. File ~/.ssh/authorized_keys is not created or not updated. On remote machine (NAS): $ cd $ chmod 700 . $ chmod 700 .ssh $ touch .ssh/authorized_keys $ ...
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Mount NFS error on Centos8

Mount shared folder via NFS into Synology but showing error. What did i missing here? [root@localhost ~]# mount -t nfs 192.168.1.20:/volume1/NetBackup mount: 192.168.1.20:/volume1/NetBackup: can't ...
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Synology - BTRFS volume crashed & recovered. Why did it crash?

This is a post mortem, I'm putting the info out there for people who may have this issue in the future. This happened on a Synology RS2818RP+ running Synology DSM 6.2-25556. The system contains a Xeon ...
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Restore AWS glacier data created with synology hyper backup

I'm using Synology Hyper backup to backup my NAS to AWS S3. To reduce cost I added a lifecycle to the S3 bucket, that moves the data to AWS glacier after a couple of days. Now I want to restore the ...
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Recovering a file by mounting a Synology RAID1 disk in Ubuntu (mount, mdadm, and losetup issues)

I'm working with a Synology RAID1 system and deleted a file that wasn't yet backed up. To recover the file, and since an undelete approach seems to be impossible, my idea is to mount a single RAID1 ...
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Run Multiple Commands on Docker Container Startup on Synology NAS

Due to the way the existing folder permissions are structured via ACL I need to assign additional groups to the user inside several Docker containers I'm running. Unfortunately the containers by ...
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Synology NAS Volume Crashed - SHR RAID

I have synalogy DS414j with 4 WD disk ( each of size 3726 GB ). I have 1 volume with Synology Hybrid RAID with capacity of 10.82 TB ( 10.67 TB Used) One of the disks (Disk 1) was not being detected ...
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Synology Open VPN Server to Client connection

I have a 2 sites: Synology A (192.168.1.100) - running VPN Server (10.8.0.1) Synology B (192.168.2.100) - running VPN Client (connecting with 10.8.0.10) I'm trying to setup Hyper Backup from ...
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Join windows 10 professional to a domain NetpDoDomainJoin: status: 0x52e

I am using ethernet cable and I have a Synology Nas acting as Active Directory Domain controller. My computer has the Nas inserted in the Dns records and can resolve the Nas, for example I can ping ...
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Docker with Traefik reverse proxy under Synology DSM 7 // free port 80 and 443

To run docker with the reverse proxy Traefik v2 on a Synology NAS, I need to be able to use port 80 and 443 on the host system. The Operation System of the NAS DSM uses its own reverse proxy, nginx, ...
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What GUI file explorers exist (Mac or Windows) to browse folders with wildcards?

I use a synology NAS, and have snapshots enabled. This creates a bunch of timestamped copies of folders in a #snapshots directory for each share. For instance, if I have the folder homes/alex/my/...
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Mount a HDD from a RAID to recover some data

I'm struggling to mount a HDD from a Synology DS214 RAID1 on my computer to backup some data from it. I can't mount directly because this HDD come from a raid mount /dev/sda1 /mnt mount: unknown ...
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Rsync : Preserve date after copying

I have an issue with files attributes since I changed my company's file system from an old ubuntu 12 to a Synology NAS. I initially mounted NFS shares on my old file system, then with cp I copied ...
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How to make an 8TB protected SHR from a 4TB unprotected SHR (Synology Hybrid RAID)?

I have a 2-bay Synology Disk Station (DS220j) with a single 4TB Drive in it. There is a SHR Volume 1 on the system. It's currently without protection but it was prepared for another 4TB drive to be ...
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How can 2TB drive give protection for 12TB of data in a SHR (Synology Hybrid RAID)? [duplicate]

I used the Synology RAID calculator to model a scenario of a mix of a bunch of 1TB and 2TB drives. Could someone explain to me how is it possible that 2TBs of redundant space give protection for 12TBs ...
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Connection to Synology VPN server not working

I own two Synology NAS (at different places). The first one is set up as an OpenVPN server. All my devices(android mobile, windows pc, mac) work fine when connected to the synology VPN server but when ...
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Apache 2.4 PHP 7.4 Include and Require don't include PHP files, but others files types are correctly included

I have a weird and quite difficult to understand problem I have a micro PHP app that has index.php ad a couple of others files *.php that are included in the index.php, let's call the two to be ...
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Synology DS2415+ no ssh logs

as the title says, my synology sshd service appears to not be producing any ssh logs. I've tried this guide: https://sites.google.com/site/benbriedis/ssh-on-synology without success. I need the logs ...
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Need to acquire Cinder drivers

I am looking to integrate some NAS systems into Openstack, and am having some real problems. Reading Openstack and other documentation, I know that there exist Cinder drivers for the brands of NAS ...
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Shutdown NAS Synology after backup

We have 2 NAS Synology Disk Station 1618+ with DS1618+ OS' version. The first one (NAS1) receives backups from multiple servers and the second one (NAS2) is supposed to be the backup of that NAS. So, ...
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Can a currupt backup cause a hardrive failure?

I have a script that runs each time Windows 7 starts up that backs up an MS SQL database to a Synology NAS loaded with 12 Seagate ST4000NM002A-2HZ101 hard drives. Everyday at 3am the backed up ...
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Synology, trying to bring back a failed RAID array

so I manage to destroy some of my data... I have a ds916+ and would like to recover the data from the drives, I ordered a new drive because one was failing, and another one failed during resync... so ...
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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 ...
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Why atop shows high CPU but sum of individual processes %CPU far smaller?

How can the sum of processes' CPU-% usage be lower than the total CPU load, according to atop and top, please? I have a CPU reaching very high load (87%, for several hours) even though the sum of the ...
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HAProxy send-proxy to Nginx

I am trying to reverse proxy clients to a web server through HAProxy and Nginx with SSL traffic using SNI. With the standard configuration, the web server sees the HAProxy IP and connects. When ...
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Setting up an OpenVPN client to connect to the Synology diskstation VPN Server without redirecting all the traffic

I followed official Synology documentation and I created an OpenVPN Server to connect remotely to a NAS, that is in a LAN with its NAS_LOCAL_IP_ADDRESS. The VPN server configuration is like the ...
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