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

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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 ...
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141 views

WFS/NFS Shares lagging then crashing client machines

We're running a Windows domain (2008 R2 on 2 DC's) with a Synology Rackstation hooked up with all our shares on. We have about ~100 workstations and 30 phones hooked up to the domain (the phones have ...
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239 views

Vmware Nas slow transfer rates/IOPS

I have built a test environment with a Synology RS812+ and an old HP140 server which has a gigabit nic installed. I have dedicated one nic to the network to DHCP and the direct to NAS from the server ...
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1answer
295 views

Diskstation backup tasks being deleted?

We use a diskstation as a backup destination for most of the servers on our network. Daily, these backups are sent to an external hard drive using the backup and restore tool. Drives are swapped each ...
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1answer
918 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 ...
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712 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 ...
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3answers
2k views

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: ...
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1answer
123 views

What is better: iSCSI or NFS for mysql datadir mount? [closed]

There is database server with ip-address in external zone with mysql instances and nas-storage existing in internal zone. I need that database file is located in storage. I want write in my.cnf for ...
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1answer
81 views

iSCSI opcode[89], error(-65539)

I have error iSCSI target (Synology DS1813+) used as NAS: Jan 19 12:03:55 SRV1 kernel: [23311947.266497] iSCSI: iSCSI: EPIO[/volume1/@iSCSITrg/iSCSI_3_Extent_LUN-LUN1_000], opcode[89], error(-...
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2answers
42 views

Ran smartctl on my drive, not sure if this is good or bad

I've been having problems with a drive in my Synology diskstation. I saw the following errors pop up on my /var/log/messages: ata6.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata6....
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2answers
108 views

Static IP settings wrong? Why?

I have this issue when I try to copy files over my network (from PC to NAS). The first file seems to copy without a problem until it reaches 99%. It hangs for minutes and fails eventually. Let me ...
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1answer
144 views

Join Synology to Specific OU in Domain

I am trying to join my Synology server to my Active Directory domain. I would like to limit it to a specific OU, for instance, with the following DN: ou=corporate,dc=yeack,dc=local However, I'm not ...
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1answer
189 views

vmware conflicts with physical servers

I'm running some HP Proliant DL360 G6 servers with vmware esxi, and I have a Synology Diskstation appliance, all connected to a layer3 switch "Cisco Catalyst 4500" in a specific vlan and every server ...
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1answer
831 views

How do I backup 50GB+ of files on a linux box to a remote sftp account [closed]

How do I backup 50GB+ of files on a linux box to a remote sftp account. My requirements Store several versions of the backups. Encrypted before sent to remote server. Disk and bandwidth efficent, ...
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2answers
3k views

How to make sure rsync sets proper file permissions?

I'm transfering data from a synology box to a debian box with rsync. Unfortunately the permissions of all transfered files are set to rwxrwxrwx on the debian box. I want to make sure this files can ...
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1answer
181 views

sshd block access from some host names

I want to block access from some external host to my ssh deamon. Is there something in the sshd_config file I can set? Just if this matters: I'm on a Synology 1010+ with openssh installed from ipgk, ...
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1answer
2k views

Trouble with NFS file sharing on Synology 211 NAS and Ubuntu Client

I'm attempting to set up NFS file sharing and keep getting the error mount.nfs: access denied by server while mounting 192.168.1.110:/myshared Here is the exact command I'm using to mount: sudo ...
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1answer
27 views

Deleted a Block type LUN on Synology - is this recoverable?

Following some poor doco - a block type LUN on our company Synology was accidentally deleted with some business critical data on it. This LUN wasnt replicated anywhere or backed up. Is it possible to ...
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1answer
181 views

High CPU Load on Synology by smbd

I have a Synology DS213j which I access through a VPN via the build-in VPN Server (I use OpenVPN) using Windows Explorer. Copying files to my local hard drive is very slow in the range of only ~170 ...
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2answers
188 views

FPM binary for PHP cli [closed]

The newest Synology NAS DSM 6 version has a strange PHP set up. The command line binary is PHP version 5.6.11 with almost no enabled modules and the tokenizer part is not compiled into it. But when ...
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1answer
21 views

Uniquely identify DiskStation in email report

I'm administering multiple DiskStations, each of which sends out all its status reports to me. Unfortunately, in the default configuration all of these emails look the same and I often have a hard ...
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2answers
1k 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% ...
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1answer
176 views

How to set locale for schedule task in Synology BusyBox?

I am trying to set up a schedule task to download some files from YouTube. The download script works well when I am ssh'ing as a user. However, the download filenames are wrong when started by the ...
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1answer
3k views

Synology DSM 5.2 - Gitlab with Docker SSL Connection Error

I installed Synology DSM 5.2 yesterday, because it's stable release came out. Afterwards I installed and configured Docker, MariaDB and the gitlab from the official Synology repo. Gitlab is running ...
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1answer
2k views

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,...
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1answer
178 views

iSCSI LUN, more than one intitator

I am experimenting for the first time with iSCSI. I ´ve setup a Synology DS1513+, target and LUN configured, first initiator (WS 2008) configured, copied some folders on it, everything works fine. ...
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1answer
335 views

Synology NAS performance as main disk for ESXi 5 [closed]

I'm planning on buying a Synology NAS, one of the + models. I'm wondering what the performance would be like if I use it as the main disk for my ESXi 5 server. I mainly run Debian and run web and ...
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2answers
805 views

Recovering a mdadm+lvm+ext4 partition with read error

One of disks in my NAS has failed. The NAS is running Linux, and it uses mdadm + LVM technology for its filesystems. I do have backup for most of the contents, but not for the very last changes, and ...
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1answer
537 views

How to use more than 10 block level iSCSI volumes on Synology DSM 2.3 for ESXi

We have a Synology NAS RS810RP+ running DSM 2.3-1161 and there are several block level iSCSI devices configured. Each of the devices is used as iSCSI harddrive for a different ESXi VM. (Every VM has ...
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1answer
833 views

Synology DS210j & online backup: what do people recommend? [closed]

I've just purchased a Synology DS210j for my home network and would like to backup this NAS online. I noticed that DiskStation Manager v2.3 provides various options including Amazon S3 and rsync: ...
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1answer
6k views

How to properly create a startup script for tracd on Synology DS209+II?

I'm running tracd on a Synology DS209+II NAS. For that purpose, I have created a script in /opt/etc/init.d called S81trac: myserver> ls -l /opt/etc/init.d -rwxr-xr-x 1 root root ...
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34 views

VPN tunnel via nas (synology) - how to route

I have two NAS (Synology) at two different locations, there is a PPTP tunnel between them. I also want to use the tunnel now for my other clients to connect to a server. Bridging the all of the ...
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20 views

Synology NAS ssh key auth not working

I follow the directions here on how to setup ssh key auth on my synology NAS. These are typical linux configurations so nothing special; I include the link for reference. This gets me ssh root@ ...
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20 views

Synology DS1815+: Hot spare can't be assigned to Group

I'm running a DS-1815+ with one Disk Group configured as SHR-1, containing 5 Disks: Bay 1: 3TB Bay 2: 3TB Bay 3: 3TB Bay 4: 3TB Bay 5: 4TB I added another 3TB-Disk as Hot-Spare in Bay 6 and ...
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30 views

Synology aut run glassfish/payara (as user)

I'd like to run a Glassfish / Payara JavaEE application server on my NAS as a service when booting the device etc. (I can't use the provided Tomcat AS, because i need Servlet3.1). Running asadmin ...
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74 views

How to change IP-address of the Synology NAS-station when using VPN-connection?

I have set up VPN-connection (L2TP/IPSec) at our office lately. The main thing is that our employees could access Synology NAS-station from their home. VPN-connection works great, but the problem is ...
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89 views

Synology DS1813+ RAID 5 with iSCSI IO wait perfomance issue

I'm have RAID 5 on Synology DS1813+ (DSM Version: DSM 5.0-4493 Update 4) with 8 ST4000DM000-1F2168 disk, usind as NAS and iSCSI/NFS targer for ESXi. In low read/write rate from disk have more io wait,...
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120 views

Windows 7 Pro is unable to mount Synology Share

I have a disconnected lab that has a Synology system for sharing files throughout. We have many Windows XP machines and two Windows 7 laptops. Recently the two Windows 7 laptops were updated and are ...
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18 views

Browser connection ok - CloudStation is not connecting

I'm not sure if I 'm in the right forum here...but it seems that I've to modify the network connection for a local Synology NAS client (Cloud Station) for getting it work... Since last week, I'm a ...
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226 views

Mount a Synology hard drive in another Synology

I have a DS112 with a hard drive that started failing. The device cannot boot from the drive. I inserted it into my DS415+. The drive is recognized but has the status uninitialized. When I connect ...
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1answer
736 views

Synology disk mirror SHR or RAID 1

I created a mirrored volume on my Synology DS415+ created with two equal disks. The default mode was Synology Hybrid RAID (SHR) but I see that I could also could have chosen for 'regular' RAID 1. As ...
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1answer
101 views

How to lock file from system changes using BusyBox (on a Synology NAS)

I have a specific file that an app is randomly changing and that I need to be immutable. I.e. stop the system from rewriting the file. Considering that the NAS has BusyBox for ssh access, how can I ...
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638 views

php open_basedir not working as expected on synology nas

I'm trying to install gitlist on my synology NAS (DSM 5.2). I downloaded and configured gitlist in config.ini and pointed it to my repositories folder (/var/services/homes/git/repo). But when I try ...
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135 views

How do I disable password authentication Synology DSM sshd in a persistent way?

How do I disable password authentication Synology DSM sshd in a persistent way? Note: while I do know do to edit the /etc/ssh/sshd_config and to change PasswordAuthentication no I observed that ...
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980 views

Synology open for Cloud Station even if blocking 6690 port

I have a NAS Synology beyong my Internet Box. On the Internet Box, I have UPnP not activated and I have only activated on Port Transfer the following ports : 1701/UDP, 500/UDP and 4500/UDP which are ...
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2answers
54 views

Synology swap hard drive size

I have a Synology DS212, with 2 1TB drives. I'd like to purchase two 5TB drives (a lot cheaper now), right now I am only using 700GB on a RAID 0. Whats the best way to copy the data over to the new ...
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2answers
167 views

HD crashed in Synology DS411+ (RAID5)

Today I got notified by email as one HD (out of 4 identical 2TB HDs) in my Synology NAS was "disconnected". I don't have any physical access to the NAS at the moment, but tomorrow someone will replace ...
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1answer
652 views

Mount NFS Share Windows Server 2012

I'm trying to mount an NFS share setup on my Synology Server to my Windows Server 2012 server. Here's what I've tried: net use Z: \[ip address][share folder] /user:xxxxx [password]' mount -user:...
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1answer
58 views

Issue accessing drive from RAID array via USB caddy

I'm having a problem accessing the data from a drive that was in my NAS but is now plugged in via a USB caddy. This drive was not in a RAID array as it was a volume with a single disk. Although it ...
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1answer
368 views

DFS initial replication - not enough storage is available to process this command (target on Synology NAS)

On a Windows 2003 SBS server, I am trying to replicate a share via DFS to a Synology File Server. In the Configure Replication Wizard, the target has a red X across it with the message "Unknown: Not ...