Questions tagged [synology-diskstation]

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Cannot Stop /dev/md2 in DSM (Synology Xpenology)

In the process of resizing the (Proxmox) disk used by DSM, I am trying to stop /dev/md2 on my DSM Proxmox VM (Xpenology) admin@NAS:/$ syno_poweroff_task -d admin@NAS:/$ sudo mdadm --stop /dev/md2 ...
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15 views

Recover Synaptics Raid 6 after Mainboard Fail

I have a Synology DS415+ NAS with four drives setup as RAID 6. The device is rather old and the soldered-on CPU has had some problems before (specifics don't matter to this question), so I don't know ...
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1answer
52 views

Windows 7 Backup on Synology: Smartcard Certificate Authority Untrusted

On setting up a backup for the NAS on W10 Pro 20H2, get the following COM error 0x80090352: An untrusted certificate authority was detected While processing the smartcard certificate used for ...
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20 views

Rebuild RAID with Old HDD in Synology NAS

From a Synology NAS with two bays, one of the HDDs has been removed. The remaining HDD is working fine as remaining part of the degraded RAID 1. Is it possible to re-add the once removed HDD in the ...
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9 views

Which files are kept during upgrades of Synology NAS OUTSIDE of user data like “/volume1”?

For historical reasons, some NAS of my customers have customizations in /etc/crontab to regularly execute things and in /etc/profile to provide customized login shells for SSH/PuTTY. Additionally, ...
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9 views

How to prevent docker container from accessing my local network?

I have some website in Docker containers running on my NAS and exposed to the outside world via port forwarding. I thought that is rather save, because even if the container gets hacked, no big deal. ...
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1answer
20 views

After RAID sync can I be sure disks are exact copy?

I have a 2-bay Synology NAS with SHR (synology hybrid RAID) configuration. I replaced old disks with 2 larger new by making 2 RAID re-sync as described in this article by synology: turned off the nas ...
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2answers
834 views

Accidentally changed an IPv4 setting on Synology NAS Cannot access it anymore

I have a Synology NAS which was working fine - for the usage I was making of it : backup - but it wasn't connected to the internet. I was able to access it via the browser GUI or in windows (via \...
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49 views

Xpenology Not Using Additional Space After Resizing HDD in Proxmox

I have Xpenology running using Proxmox and recently the 1TB storage capacity is almost used up, so I resized the 1TB disk to 2TB using Proxmox. After restarting Xpenology, even though the 1 TB is now ...
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32 views

Network disruption when notebook attached to ethernet is suspended

I have been having this issue for a couple of months now where, if I suspend my notebook, while it is attached to the router via Ethernet, the entire network basically stops working (wired and ...
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1answer
182 views

Swapping disks with a higher capacity in a NAS

I have a Synology NAS with 3x 3TB in Raid 1. One of the disks is in failure mode and the other one is "not happy" (a few smart errors appeared and disappeared). I am replacing the disk that ...
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76 views

2-bay NAS - start with a single 8TB drive and get a second later?

Just ordered a Synology DS220+ NAS and a Seagate 8TB Ironwolf NAS drive to go inside. I'm hoping to start with this and get a second drive later for Raid 1 (mirroring) or perhaps Synology Hybrid RAID. ...
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59 views

Synology NAS drive failing, downtime when replace drive?

My companies Synology NAS (DS1618+) has 6 12TB drives in a RAID5 array. One of the drives went from abnormal to failing. We do not have a "hot spare". Co-workers depend on this on a daily ...
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1answer
65 views

File based backup in Synology NAS

I've a Synology NAS with two HDD in it. One main HDD and one for the backup of the main. I want to backup a folder from the main HDD to the backup HDD. Using the HyperBackup App (or package) it copy ...
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43 views

NAS and Synology Drive Client - initialize backup from hard drive?

I have recently purchased a Synology DS220j 2-Bay NAS fitted with two 8 TB Toshiba N300 HDDs. My intention is to use this NAS as an off-site backup station for my research data. I have set this up ...
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1answer
70 views

SHR 1 Redundancy

I'm setting up my Synology NAS but I'm doubting between using RAID5 (which I'm familiar with) or using SHR1. From what I can tell, SHR 1 divides the drives up in smaller portions so you can mix sizes. ...
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241 views

How to set default owner/group/permissions for new files created in windows explorer on synology?

I'm thoroughly confused. I have a headless Ubuntu 18.04 server that I use primarily for media purposes I have a synology NAS for storing the media files I generally do my work from a Windows 10 ...
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28 views

Chromium - Synology Surveillence station, unlimited timeout

I´ll describe my situation. I have a Synology NAS that manages my surveillence system via Synology Surveillance station (4 cameras). I have a Raspberry Pi 4B with some monitor with startup command ...
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104 views

Can the reporting range of Synology's Storage Analyser be limited?

I have a weekly disk usage report via storage analyser to keep an eye on my free space / catch any mass deletion, or more likely goofups where I mess up a script and copy the same data several times. ...
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31 views

Synology - Degraded storage pool, repairing didn't work, data still accessible

I'm having the following issue. On my Synology nas three hdds failed at once. I immediately ordered replacement disks. Then I replaced one of the disk and started repairing the file system. During the ...
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1answer
197 views

Synology RAID 1 Recovery - Accidentally formatted a BTRFS as ZFS - next steps?

Would really appreciate someone pointing me in the right direction. Today at work we found out our Synology box had its motherboard go. From what I can tell, it was set up with two 8TB drives in RAID ...
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236 views

Slow synology transfer - in one direction

I got a Synology Diskstation (220+) and in setting it up, tried copying files to and from it. I was surprised to see ~500KB/s when transferring files to it from my laptop. I can copy files from the ...
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1answer
2k views

Install other OS than DSM on Synology DiskStation DS16SE — possible?

The DS216SE will eventually reach its end of support. [EDIT: it is not as soon as triggered this question originally,* but that only postpones the issue. Also I'd prefer a less restricted access.] Are ...
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438 views

How to connect to iscsi target with iscsiadm from Synology through SSH

Since we want to back up our Synology NAS internally with a rotation system, I'm trying to connect to an iscsi target on my tandberg/overland Quickstation 4 from my Synology NAS (SA3400). I've tried ...
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20 views

Can I use docker safely on Synology NAS without accepting app-store terms?

I don't really want to agree to Synology's terms when using software from their "app store" because it is not clear to me what data they use and exchange when I agree to the terms. As there ...
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1answer
179 views

How to live sync files between syonology NAS 713+ and Ubuntu server 18.04

I need some way to sync data from synology diskstation to ubuntu server 18.04 and back. I use Synology drive for windows machines and Ubuntu desktops but I have not found any way to install and ...
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1answer
21 views

Backup data to NAS and Cloud

I have a local workstation (Windows Server) and I want to backup 2 of its data drives nightly for a total of about 2.5TB. I also have a NAS (DS218+) connected to the network with 2 HDDs in RAID. I ...
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1answer
483 views

Degraded Synology volume even though all drives report normal

I recently upgraded two hard drives on my Synology DS-412+. When the volume expansion completed, DSM now reports that the volume/storage pool is degraded but all three drives in the storage pool ...
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0answers
722 views

Synology NAS Hibernation issues due to SMB broadcasts

I'm another user going around this merry-go round again. I purchased a Synology NAS DS718+, installed Plex and Docker (calibre-web-server), and have found the NAS is never sleeping. After looking at ...
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2answers
191 views

RAID 5 rebuild failed after removing and reinserting a disk

I have a Synology Diskstation 414j at my home that runs RAID 5 across 3 drives. I was curious to see what Diskstation looked like on the inside, so I unscrewed the back, took out the drives, and put ...
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1answer
48 views

Should I put all four HDDs into NAS even if I do not need the their full capacity right now?

I have new four-bay NAS (Synology DS418play) and four new 4TB HDDs (WD40EFRX). Is it advisable to put all disks into NAS right away, even if I do not need the full storage capacity? Or should I put ...
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127 views

docker using btrfs on lvm2 mount

I've modified my synology DS918 (DSM 6.2.2-24922 Update 4) to run docker-19.03.8. Unfortunately, while the main mount /volume1 is btrfs, and docker supports btrfs as a storage driver, it requires a ...
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0answers
2k views

File Transfer to Synology DS414 Painfully slow

We have a Synology DS414 it has 4 x 4TB Drives in Raid 5 for a total capacity of 10.9Tb We used to have a single volume with an iSCSI LUN and mounted on to a server then mapped to everyone as mapped ...
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1answer
21 views

Synology RS818+ and 2 internet connections

We have an RS818+ in our small home based office. There are 2 incoming internet connections - one at 250/10 and one at 250/250. We run backups from the RS818+ to Backblaze B2. Obviously, I want to use ...
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1k views

Wildcard cert on Synology NAS

I'm running Synology DSM 6.2.2-24922 Update 4 and I wish to setup a wildcard cert with Let's Encrypt. It has been over a year since I've tried this and that time it didn't go so well. I can remember I ...
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194 views

Prevent PC from using Wifi over Ethernet to access Synology NAS

Im having a small issue that I thought would be easy to solve but is proving difficult. I have a synology nas connected to a router via Ethernet. My PC (Win10) connects to the NAS via ethernet and to ...
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1answer
179 views

Why do mac and synology report different file sizes? [duplicate]

I have files on my MacBookPro that I copy into Synology. I have noticed that Finder and FileStation show different file size. I have attached a screenshot for both these. Finder on MacBookPro. And ...
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1answer
3k views

How to create and connect subdomain to Synology

I have a Synology DS1812+ and a domain from Hover, let's call it example.com. How can I create a subdomain, like nas.example.com, connect it to my Synology, then use it outside my home network? ...
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1answer
3k views

Very Slow Data Transfer between two Internal Volume on Synology NAS

I tried both File Copy within File Station, both Move to and Copy to had the same results. I try changing Shared Folder location to a different volume. The results were the same. Even with Multiple ...
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0answers
1k views

Synology NAS with two chained routers

As seen in the picture above, I have two routers and a Synology NAS. The first router is provided by my ISP and also has wi-fi. The second one, my own, it connected to the first by cable. It also has ...
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1answer
247 views

Synology: understanding the group service permission

Let's say I have a user group A and user group B. I want A to have access to the FTP service and nothing else. I want B to have access to the cloud drive service and nothing else. Now if I add a ...
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0answers
299 views

Configure a synology NAS reverse proxy to not replace URL

I'm a little confused about how to configure subdomains to multiple servers on the same physical machine. Currently, I have a domain name which is setup to use DDNS. I have the built in reverse ...
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1answer
851 views

FFMPEG (Synology) : Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or height

I'm trying to convert my avi files into mp4 so that Plex doesn't need to transcode them. I want to run it from my Synology NAS which has ffmpeg installed. When I run this command ffmpeg -i Pilot.avi ...
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1answer
438 views

APC Smart UPS, Synology DS918+ and Mac mini

I have a new APC Smart-UPS C 1000, a 2018 Mac mini, and a Synology DS918+. I am trying to figure out if there is a way that when the battery gets low, the Mac and the Synology can both safely shut ...
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0answers
53 views

Strange shared folder issue

Same laptop. When I log in, a shared folder on our network is accessible. But when another user logs in, the same shared folder is not accessible. The shared folder is public. The laptop has Windows ...
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0answers
608 views

How do I share internet connection in Synology Diskstation?

My Synology Diskstation has 2 LAN ports. LAN 1 is directly connected to my laptop's LAN port. (IP Address 169...*) LAN 2 is connected to the home router with internet. (IP Address 192.168..) How ...
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4answers
3k views

Synology DSM 6.2.x: How to SSH as non-admin user

Since DSM 6.2.2 we have troubles connecting to a Synology NAS as non-admin user via ssh. Before this was possible by simply changing the login shell in /etc/passwd from /sbin/nologin to /bin/sh. This ...
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2answers
46k views

User ID mapping with NFS on Synology NAS

I have a Synology NAS box (running DSM 5.1), and I've exported a directory via NFS. I'm attempting to mount it on my Ubuntu box. It mostly works fine, but I'm having issues with user and group ...