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Questions tagged [synology]

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

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Synology: Two 4TB disks. Want to use mostly for backup and code storage. Should I use RAID? [closed]

I just got a Synology NAS with two 4TB HDD. I am still exploring the features but my main intention is mostly to use it to back up my datasets, some WIP project code/resources, and TV shows. I ...
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23 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 ...
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1answer
68 views

Recover from a clean, degraded RAID-5

Good morning all, I have some NAS software which - for the most part - works great, but when something happens to the Hyper-V host it often fails spectacularly. Today is one of those days. I'm not ...
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Synology DiskStation 500 GB transferred, 4 files corrupted$@#?

Recently got a Synology NAS, copied files to it, diffed the copied files, and at least four were corrupted (out of ~500 GB). How do I figure out what is faulty? I set it up with SHR-2 (two drives ...
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1answer
27 views

Mapping a folder on Synology NAS to all Authenticated Users W2K12 Essentials

We have a W2k12 essentials server with about 10 users on it. I want to add a group policy to map to a folder on our Synology NAS drive. I believe I'm having a permissions issue, but not sure. I ...
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1answer
109 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-...
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2answers
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Synology DNS server stops responding queries after a while

I have a Synology RT1900ac router with DNS server. It has only one local master forward zone. Really simple one with a few entries, I just followed this guide. It was working fine until the latest ...
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2answers
84 views

Point a subdomain with CNAME to a DDNS subdomain?

I got a Synology NAS, with different virtual hosts, so i got a DDNS (user.synology.me), let's say the virtual hosts are server1, server2 and server3, so i can access them using server1.user.synology....
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128 views

Apache unable to create worker thread

I have Apache running on a Synology DiskStation NAS. Since the DSM update to version 6.2.1-23824, Apache won't start anymore, giving the following error: [Mon Oct 15 10:29:22 2018] [info] mod_ssl/2.2....
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2answers
63 views

How to map public domains to sites hosted in Docker on Synology NAS?

This question is about managing/administering the software of a server in a business environment, so I hope it is not off-topic. We plan to migrate some of our websites to Docker running on our ...
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99 views

Synology & HyperBackup on Google Cloud Storage via S3 fails when almost finished with “SignatureDoesNotMatchException” - too many files?

I am doing backups of a large number of files using HyperBackup from a Synology diskstation to Google S3. While backup jobs with less numbers of files work well, it always fails with the error "...
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How can I config 2nd WAN with different IP address range on Synology RT2600AC Router

I am trying to get a second internet connection running on a Synology RT2600AC. Our IP address range for the network here is 10.1.1.1-254 . The second internet connection is a 4G wireless Huawei ...
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1answer
244 views

MacOS nut client install for synology network ups

I have an APC UPS connected to my synology nas and I am trying to get my mac (10.13) to connect to the 'network ups' of synology. So far I've been trying to follow this guide: https://community....
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201 views

Synology NAS to Mac transfer: rsync creates identical folders on the same disk (NAS rsync and Mac rsync yield different hexdumps)

Summary: I use the following setup to backup data on a Synology NAS to a remote disk via rsync. First backup local: rsync initialised on the Synology NAS to the disk (mounted on the NAS). Future ...
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1answer
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Why is my Syno NAS creating a snapshot each hour instead of one per day?

[Background information] I am running a Synology DS916+ consisting of 4 disks forming 2 storage pools. Storage pool 1 is made up of 3 disks holding all my data on a SHR (Syno Hybrid RAID). Storage ...
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macOS: LDAP authentication to Time Machine Server doesn't work

I have a Synology RackStation 815+ running with its builtin "Directory Server" app as an LDAP provider. I also have a Mac Mini Server that is bound to authenticate against the Synology, using the ...
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342 views

iSCSI Target is not visible on Windows Servers

I've recently installed a synology NAS in a business environment. After setting up an iSCSI target, I went to one of the Windows Servers, launched the iSCSI initiator and could not discover the ...
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1answer
339 views

What steps should I take to make sure Synology VPN Server is secure?

We we have a remote office with a Synology NAS and we would like it to connect to the home office Synology NAS. We have setup VPN Server (Synology package) on the home office NAS and enabled OpenVPN. ...
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1answer
152 views

Configure SSL for openvpn on synology diskstation

I currently have a Synology DS218J and I have openvpn installed on it. I'm wondering how to configure SSL tunneling between the VPN server and the client. I did hear something about stunnel but I'm ...
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1answer
121 views

Synology Cloud Station Server notifications

I have multiple clients backing up to a Synology NAS using Cloud Station Server. I purchased this setup to replace my previous solution of running a local Crashplan server. One feature that I miss of ...
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1answer
102 views

Synology Route traffic to Docker

I have: +------+ +-------------+ | +NIC1 (192.168.1.100) <--> Router <--> (192.168.1.2) NIC1 + | | PC | ...
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2answers
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How to plan for buying drive capacity for a NAS? [duplicate]

I am, planning a NAS upgrade. We are currently running dozens of low capacity, cheap drives. We are upgrading to a Synology NAS with far fewer, higher capacity drives. As such, these drives will have ...
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1answer
49 views

G-sense errors in new disks

I have a Synology DiskStation. It used to contain 3xTB drives, I now have 2xTB, 2x8TB drives. The old drives were "Seagate NAS" drives, the new ones are from the same(?) series, named "Ironwolf". The ...
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Eaton 5PX managed by Windows Server 2012R2

I have just deployed Eaton 5PX UPS in my rack, set up automatic shutdown of the main server (Win-2012R2) with the 'Eaton Intelligent Power Protector' app. However I do have another device that would ...
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1answer
488 views

Remotely accessing SVN server installed on a Synology DiskStation

I recently purchased a Synology DiskStation and installed an SVN server on it. I can access it fine from anywhere inside my home network, however now I would like to be able to expose it externally. ...
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Synology DSM - DS Get from remote access

I can't connect from remote access (4G) to DS Get (or DS File) to my Synology with a private domain. For information, I can connect to the main dashboard with a navigator and access to Download ...
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245 views

Errors when backing up Windows server to NAS

I'm trying to backup several Windows servers to a Synology NAS using the 'Active Backup for Server' package available on the Synology Package Center. The specifics of the package probably aren't too ...
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51 views

rsync to much upload data

I have an issue with an incremental backup using rsync. My issue rsync that it sends 150 GB of data to the backup server, however only 10 GB maximum have been changed on the server. I can't figure out ...
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618 views

Synology: How to restore data from an accidentally deleted volumeX (BTRFS)?

The Synology in question has a RAID6 configured via mdadm which features a BTRFS filesystem mounted to /volume1. This path was mounted into a Debian chroot. The unmount was configured in the chroot ...
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349 views

Is it possible to manage synology ACLs on the client machine?

We currently have a central server that hosts some shared folders, to be exported via NFS and/or samba within our facilities. In addition to regular posix file permissions, we use posix ACLs. Our new ...
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1answer
468 views

How to use .htaccess in a non open-basedir path of Synology/DSM 6.1

I am trying to use the trick described by Rob Van Aarle here to execute php pages in "paths not allowed" by default for Synology's web server... The purpose is to create packages which do not depend ...
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Routing over Synology VPN Server PPTP tunnel

I have a couple of LANs I'm trying to connect over the internet by way of a PPTP tunnel between a Unifi USG on one side and a Synology NAS running DSM on the other. Update: it's been helpfully ...
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3answers
95 views

What if I don't replace failing disk in Raid1

I have a home server on Synology DS716+ running Raid1. Currently Disk1 S.M.A.R.T. status is Failing and also Bad Sector Count displays 2. So obviously I should replace this hard drive, but I am ...
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Parts of Synology down or a local issue?

I have a Synology NAS DS214+ appliance, which lately has started working wierdly. I started looking into this, after seeing problem with Synology Package Center, same as in this question: Impossible ...
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1answer
81 views

Copy Windows files to SMB share (Synology) and keep all properties

I have a network drive with files that need to move to a new Synology NAS SMB network share. I'd like to transfer the files while keeping as much properties as possible. I tried robocopy and fastcopy,...
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247 views

nginx use subfolder and 'A record'

I'm really stuck here, and could not find help in related posts and it's the first time I'm dealing with nginx. I have a 'Moodle' installation running with nginx on my Synology NAS and would like to ...
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1answer
108 views

Remove OWA https redirection

I have two servers connected to the same IP address. One is an Exchange Server, the other one is a Synology. I would like to set up a redirection so when users go to https://server.domain.com they ...
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4answers
2k 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 ...
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287 views

Synology DNS stops responding after a while

I've setup my Synology DS212J to be a local DNS server. I'm doing so because I have a couple of URL's that I'm routing to machines within this network via reverse proxy (incoming traffic from the ...
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2answers
111 views

copy ssh key from windows to synology disk

I'm trying to set up a git server on my synology following this tutorial. The step I'm stuck at is this: copy public rsa key from local computer to gituser account on server I use following command: ...
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231 views

RAID 6 array much faster than my RAID 10 array?

How come my RAID-6 outperforms my RAID-10? Docker container on Synology with 8x4TB RAID-10: [root@centos Files]# bonnie++ -d /Files/tmp -r 16G -s 32G -n 1 -f -b -u root Using uid:0, gid:0. Writing ...
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1answer
452 views

./composer.json is not readable when running on Synology NAS

I asked the same question a while ago on the stackoverflow site, with no results. As it clearly has something to do with configuration of our Synology NAS maybe the expertise of you guys here suits ...
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59 views

Avoiding same batch of drives being mirrored in a mdraid 10 Linux array

root@RS3617RPxs:~# cat /proc/mdstat Personalities : [linear] [raid0] [raid1] [raid10] [raid6] [raid5] [raid4] [raidF1] md3 : active raid10 sde3[8] sdl3[7] sdk3[6] sdj3[5] sdi3[4] sdh3[3] sdg3[2] sdf3[...
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1answer
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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, ...
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746 views

Synology HA active-passive performance and failover

I have two Synology boxes (DiskStation DS1817+) that are running in Synology HA mode filled with WD Black 4TB drives in RAID10. They are connected to my cluster over iSCSI providing mainly backup ...
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1answer
766 views

Synology DS216J coming, can I start with one disk and expand to a bigger size later?

I'd like to start with a 3TB disk I have and add a second 3TB disk later (couple of months). I should end up with 1 6TB volume (no redundancy - I backup elsewhere anything important). What are the ...
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1answer
117 views

CPU speed related with disk io?

I planning to purchase a NAS. https://www.synology.com/en-global/products/RS815+#overview According their site say, speed was only 398MB/s read and 361MB/s in writing. What I going to do is I'll put ...
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1answer
1k 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 ...
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1answer
406 views

How to change DNS resolution order with OpenVPN on Synology?

I have a Synology DSM which is configured to use VPN clint to connect to company intranet. OpenVPN connection is stable but the DNS servers are not added to the top of the resolve list. Instead it ...
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2answers
427 views

Why is my iSCSI MPIO Setup not working?

I'm running Windows Server 2012 R2 and want to connect a Synology Rackstation via iSCSI to my server. The connection is done via four seperate LAN ports. The iSCSI part works fine, but if I copy stuff ...