Newest synology Questions

Q&A for system and network administrators

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,...

Synology VPN server limits the maximum number of concurent connections on DS216j with DSM 6.0

In Synology DiskStation DS216j with DSM 6.0 in the settings of VPN server for PPTP, OpenVPN and L2TP, there is a line "Maximum connection number" with possible options just 3 or 5. According to ...

Backups of my backups. Advice needed [closed]

I am in the process of creating a custom build NAS/mini-server. This will be an i3 processor, 6x 4tb raid 1 computer. Although about 4TB is actually used so far. I have been researching creating an ...

Small VMDK file

I have a brand new VMWare ESXi 6.5 standalone host. I created a VM and installed Ubuntu 16.04.1 server onto it. I noticed that the VMDK file is only 549 bytes after installation. The VM runs just fine....

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 ...

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 assigned ...

Let's Encrypt: use Subject Alternative Name for internal domain

My Synology NAS is capable of running the web interface via HTTPS. By default, you access the NAS via its name (say, mynas) so http(s)://myname:5001 or http(s)://myname.local. It defaults to an SSL ...

Synology File System Errors

I have an RS2414RP+ in my office and it's giving off File System Errors. We received a replacement from Synology last week and swapped the boxes. I ran the File System Check and a Parity Check from ...

Synology Cloud Sync : How to read encrypted files in the cloud?

I own a Synology NAS which i synchronised with Google Drive using the 'Cloud Sync' feature. For security reasons, i used the Synology built-in feature to encrypt the files on the NAS before sending ...

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 ...

Initial delay when browsing SMB share from Windows

We have a NAS (Synology, running DSM 6) which is connected to our Active Directory on a Windows 2016 server. The NAS has 7 shared folders which are shared using SMB2. When browsing to the NAS using ...

With OpenVPN how can I only let LAN go through the VPN?

So I have the following setup: Now from home I like to make a connection through OpenVPN to access my LAN from work. So I edit the config of the OpenVPN client on my home computer to: remote 180.135....

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(-65539)...

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 ...

Migrating Raid 1 to Raid 10, data loss?

I would like to ask if my method of migrating from existing Raid 1 to Raid 10 will cause any data loss. I currently have a Synology DS 1515+, 5 Bays with 2 HDD in placed. 1st bay : 5Tb 2nd bay : ...

Using different MailServer for special Users in the same domain

I'm new to this topic, so please have forbearance, if this is a dumb question. At the Moment, we use GMail for all Mailaddresses. To save some money, the idea is, to use an own mailserver for the ...

Import emails via IMAP from local server

I have tried for a few days now to connect my local server to my laptop and import my emails on the server to my mail program. The reason I am doing this is because I have recently purchased a hosting ...

Accessing synology DSM behind nginx reverse proxy

I'm trying to access my synology nas web ui behind a nginx reverse proxy running on my raspberry. Nginx reverse proxy is working for other stuff, like my ghost blog. I copy/pasted the settings to ...

Proxmox marked as down on monitoring platform

I have 3 Proxmoxs (ve 4.1) setup in a Cluster. They had an NFS storage attached to them (synology cluster) with an active and a passive node. I decided to cut them out of the proxmox just after i ...

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 ...

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 ...

Moving from internal raid to nas for video editing [closed]

I've got a two drive raid 0 in my main desktop for 9tb of usable storage. I actively use premiere pro and the adobe suite to produce videos that I am paid for and I do web development. I backup to ...

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 ...

Synology 712+ Added larger drives but available space not showing

I have a Synology 712+ with a SHR volume on the system. I had two 4tb drives and replaced them with 8tb drives. The system shows both drives as 7.28 tb but do not allow me to use more than 4tbs of ...

Permission denied mounting NFS volume on raspberry PI with Synology [closed]

on my diskstation: /volume1/Blockchain 192.168.1.27(rw,async,no_wdelay,insecure,no_root_squash,insecure_locks,sec=sys,anonuid=1025,anongid=100) /volume1/BigStore *(rw,async,no_wdelay,root_squash,...

Kernel panic on my Synology NAS; kernel 3.10.77

I've been debugging an issue with my Synology NAS, where the kernel panics (or what I think what is happening). When that happens, the NAS does not respond to ping and the only way to recover it is to ...

How do I make SMB faster on Windows?

My problem is the throughput of FFmpeg is severely limited by the speed of SMB performance. Using Wireshark I found out that FFmpeg writes are sent to my Synology SMB share in 500 byte packets with ...

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 ...

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 ...

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 ...

How do I renew letsencrypt SSL certificates on Synology DSM?

It seems that for some reason the certificates generated with LetsEncryp are note renewed automatically by latest Synology DSM. I tried the CLI, but it fails sudo syno-letsencrypt renew-all -v ...

ipsec VPN Client (Synology) is connected to server (Ubiquiti EdgeRouter), but cannot access remote LAN

I've setup an ipsec/l2tp VPN on a Ubiquiti EdgeRouter using https://www.youtube.com/watch?v=3Q_n78MD0-I as a general guide. I've setup NAT Traversal on the Ubiquiti so that (theoretically), VPN ...

No internet connection on Synology DSM and no connection between diskstations (using active directory)

I have connected our new Synology Diskstation to our active directory according to the FAQ/tutorial. It gets connected and seems to work fine. I can ping the machine in the network and I can see the ...

Migrating Windows Server 2008 share permissions to synology NAS

A customer has a Synology RS815+, using DSM 6.0.2-8451 Update 3. It has a btrfs volume. We want to migrate an existing CIFS share including timestamps and permissions. Timestamps are no problem, but ...

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@ ...

Synology blue led of death (led blinking)

My Synology (10 disks) suddenly doesn't reboot. Connecting it with the serial port, I could manage to boot on "Synology 1" and "Synology 2" Synology 1, is a kind of "recovery partition" allowing ...

Five-disk RAID configuration for media/archival server

I manage the media archival server for a small photography and graphic design business. We use a five-bay Synology DiskStation 1512+ to archive completed projects and to store TimeMachine backups. I ...

Synology NAS X-Fer Speed Possible Issues

I recently purchased a Synology DS1815+ 8-Bay NAS for my organization and I have been running benchmarks all morning. I purchased: 4 x 4TB 7200RPM HGST NAS (Enterprise) drives & 2 X 256GB ...

Recover the file system from a corrupted RAID1

TL;DR How to recover the ext4 file system from a corrupted RAID1 partition? My situation I have one failed disk that belonged to an RAID1 array on a Synology DiskStation, the other one is lost. ...

Synology - How to grant terminal access to a user without adding them to administrator group?

I am managing a Synology DS1813+ NAS server that holds data and files for a few dozen users. I was told by Synology support team that the only way to grant a user terminal access is by giving them ...

Lost Net Shares from Synology under Windows 7

we have a little problem with one network from our customer. We have there 4 Windows 7 Clients a Windows 2012 Server with AD & DNS and a Synology. We created some net shares on the synology and ...

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 ...

Synology Cloud Sync and Encryption

i would like encrypt data on my Synology NAS and allow bidirectionnal sync with Google Drive. Which means the data on the NAS itself would be encrypted then sent to Google Drive encrypted, but still ...

rsync - use another user in “uid” than root

I'm trying to define a RSync Backup Job in Hyper Backup of Synology DS to backup my files from Synology DS to a Linux Server running Ubunut 14.04. Here is a copy of my rsync.conf file use chroot = ...

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....

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 ...

iSCSI target stuck reconnecting after server reboots

I've been having some ongoing issues with my iSCSI connection not reconnecting itself after the server reboots, as shown below: OS is Windows Server 2008 R2. The iSCSI device is for my SQL Server ...

Synology VPN Server behind router + tethered mobile hotspot

I would like to connect to my Synology VPN Server from an external location. I was able to successfully setup the Synology VPN Server and connect it through the local LAN. However, I'm unable to ...

Synology volumes vs shared folders

What is the benefit of making more than 1 volume on disk group on Synology DiskStation? Or, in another words, what is the benefit of organising data into a) many volumes vs b) many shared folders on ...

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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