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Questions tagged [synology]

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

Synology is a Taiwanese company which mainly produces NAS for consumer, prosumer and business.

The Synology's NAS are basically small form factor computers (ARM or Atom based) with a small Linux OS embedded.

More information on Wikipedia: Synology article

Synology web site: www.synology.com

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Btrfs: Remove a large file takes long

I'm running a synology nas DS1817+ with DSM 6.2.2-24922 with a RAID5 volume formatted with BTRFS. Deleting a large file either with DSM FileStation or directly in an ssh session with "rm filename" takes a long time. bash-4.3# ls -al total…
Klaus
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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.me, etc. I pointed my example.com to…
Spider351
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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 them to the cloud. However now, i can't read them…
diabl0
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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 one volume? I'm interested in any considerations…
Krzysztof Przygoda
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Can't attach iSCSI with multipathing in Citrix XenServer

Dear people of the world. I have a problem reattaching an iSCSI target on XenServer after a reboot. Whenever I try, I get several errors. Here's me in the attach screen on the redundant storage after it failed to…
Refalm
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Is there any downtime when expanding a volume on an iSCSI setup using Synology Hybrid RAID?

The subject sums up the scenario. I believe the answer is there is no downtime but the system might simply be slower during the rebuild. Which is fine. But if there is downtime, how long? A small blip for a short maintenance window is acceptable.…
Giacomo1968
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How to configure Synology to use only standard HTTP ports 80 and 443 instead of 5000

I want to reconfigure a Synology running latest DSM 5 to work on normal HTTP ports. The default configuration is to use port 5000 and 5001 for HTTPS and I do not like these because they are quite often blocked by most firewalls (in addition to the…
sorin
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Understanding the S.M.A.R.T. values from a Synology 1812+ device

I have a Synology 1812+ NAS with 8 3TB drives configured as RAID 5. Its running DSM 4.1. It was purchased to replace USB drives, consolidate storage and short term OS X backups using Time Machine. The device and drives are only 2 months old. Every…
bloudraak
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Connecting a NAS directly to a 4 port switch directly to two computers, offline?

I'm looking to purchase a portable NAS, say the Synology DS1019+ for example, to use as a shared storage drive between two workstations beside each other. There is no wired network access anywhere close, so the workstations are connected to the…
technotron101
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How to fix slow iSCSI speed (in comparison to SMB)?

I have a NAS which provides SMB and iSCSI targets, and a server which is directly connected via a 10 GbE link (no switch in between). I experience slow speeds with the iSCSI target in contrast to "high" (expected) speeds with a SMB "target". See the…
burnersk
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SMART - Understanding Offline Data Collection

I have two Kingston A400 120GB SSD as cache in a Synology NAS, which don't seem to support automatic offline data collection. # smartctl -d sat -c /dev/sdc | grep -i "Auto Offline data collection" Auto Offline Data Collection: Disabled. No Auto…
Bangaio
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Synology and vmware with 4 way MPIO slow iSCSI speeds

I am trying to achieve high iSCSI speeds between my ESX box, and the synology NAS. I am hoping to achieve a top speed of 300-400 Mb/s. But so far all i've reached is 150 - 170 MB/s. The main test that I am using is to create a 20GB Virtual Disk,…
acanessa
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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 4TBx4nos as Raid 10. Suppose to be fast multiply…
Phyo Kyi
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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 access my nas's 192.168.0.123:5000 via nas.my.domain,…
Rémy
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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 Windows 7. Running the same version of FFmpeg on…
jamaicahest
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