Questions tagged [network-attached-storage]

NAS stands for Network Attached Storage, a mechanism for providing file-level access to storage across a network.

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How can I query the version number of a remote rsync server (daemon)?

How can I query the version number of a remote rsync server (or daemon)? I can find out the version number of my local rsync client using --version: % rsync --version rsync version 3.2.7 protocol ...
Jim DeLaHunt's user avatar
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bcachefs - how to setup a ssd only volume

I stumbled across bcachefs a few days ago. After some research, I still have a few questions. As I understand it, only the foreground_target must be defined. Does it make sense to set up a ...
Peedy2495's user avatar
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btrfs mount error "can't read superblock"

I have a synology nas drive in raid6 that had a drive failed. I replaced the drive and had two other drives kicked off the raid after a power failure crashing the storage pool. I was able to move all ...
L. Pinkston's user avatar
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Do SSD still need supercapacitor today ? (NAS : Linux + MDADM + EXT4)

I'm planning to build a SSD based NAS, with Linux / mdadm / EXT4 (so, no ZFS or Btrfs). What happens in case of a sudden power loss ? There are a lot of posts out there stating that we should buy SSDs ...
ChennyStar's user avatar
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Partition unreachable in a HDD which was part of a RAID 1 cluster

I am out of options here because of my lack of knowledge and I seriously need a hand in order to get my data back. Yes, I did the mistake of trusting RAID system too much... Here is what happened: One ...
AlEmerich's user avatar
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Unable to connect via SSH or access NFS exports

This one has me puzzled, I've got a home server (Debian Bookworm) and several Raspberry Pi machines, also all running Raspbian Bookworm. Just for illustrative purposes ServerA Debian Bookworm PI1, ...
John Tetreault's user avatar
-2 votes
2 answers
196 views

How to delete files automatically from a NAS

There is a CP Plus NVR at my organisation which records data from the cameras and stores them in a dedicated QSAN XCubeNAS Server. Our NAS has limited storage, is there a way to automatically delete ...
Ayush's user avatar
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How to "mount" a Synology NAS on a Linux Ubuntu server like it is a local disk

I would like to mount a Synology NAS on a Ubuntu server to make appear this space like it would be a local volume for the system, in particular supporting the server users ownership and permissions. ...
Antonello's user avatar
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Data restoration of a RAID1 drive from a QNAP NAS

I have a dead QNAP HS-251 NAS enclosure, using two disks in RAID1. The enclosure is dead, but the drives seem fine. I would like to recover the data on it. . Of course, I have no backup... Stupidly,I ...
pim999's user avatar
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TrueNas Encryption method changed - Is the data safe?

just a quick question of understanding. I have a TrueNas Scale server and I just changed the Encryption method from key to passphrase. Now I wonder if I need to rewrite the whole dataset for this to ...
Jonathan's user avatar
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Can not read from Synology NAS from Windows OS, but Linux access works fine

So as mentioned in the title: we have a Windows machine here needing access to a samba share on a Synology NAS. This machine can not access it and Windows responds with "wrong username/password&...
roediGERhard's user avatar
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Would this be strong enough or just overkill? [duplicate]

I'm actually interested in building a web/mail server. I'll have database with thousands of users and multiple websites hosted on a LEMP Stack Server. Hopefully I'll eventually have thousands of ...
Aaron Catolico's user avatar
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272 views

No Write Access to WD My Cloud NAS on Ubuntu Linux

I recently purchased a new WD My Cloud and was able to use the FTP app to transfer files from an old machine that was running OMV to the new NAS. I cannot seem to mount the NAS to my Ubuntu laptop ...
Dan Forbes's user avatar
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Recover Raid in Synology DSM 7

After a DSM update, an issue with Synology branded cache drives caused my pool to crash and become unavailable. The 3 dots on the bottom only had the option to remove the pool, no option to enable ...
Dwayne O's user avatar
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Unable to connect to local Fedora Samba share. What am I doing wrong?

New to networking. Created a samba share in Fedora Server. This samba share is supposed to connect to a raid0 pool (2x4TB WD Red) that I created. The mount point of the raid0 pool is /raid0pool. The ...
cfs3corsair's user avatar
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Windows storage server 2019 exported NFS: chown permission denied

I've not been a windows server guy for a long time, so I'm not super familiar with the newer MS server OSes... but I'm trying to link up my linux host to a NAS at a customer site. Their NAS is ...
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Steps to succesfully persistent iSCSI LUN using Open-iSCSI on Ubuntu Server?

Using Ubuntu Linux Server 22.04 minimal edition without GUI, I need some help in mounting the iSCSI LUN using Open-iSCSI so it is mapped to /dev/sdb with the below command: Could you please let me ...
Senior Systems Engineer's user avatar
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NFSv4.1 mount is extremly slow until remount

I have an issue that I don't know how to debug. I hope you can help me further with this. In my group, I administer a Linux compute cluster that consists of multiple compute machines and a Synology ...
Homan's user avatar
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Can you use a SAS fan-out cable to connect more drives?

I bought a Broadcom 9400-16e HBA that has four external ports. I was hoping that by using four mini-SAS cables that fan-out to two, I could double the number of connected drives from 16 to 32. However,...
Jorsher's user avatar
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Difference between SMB and NAS

I am getting aboard my family businesses and every thing is made with Microsoft. I see that 90% of the processes can be done with free software, and in this case, file sharing. My father always ...
ahwelp's user avatar
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Which RAID is best for private use of NAS [closed]

I want to buy the DS 920+ with (4x)6TB Seagate IronWolf NAS HDD. I definitely want some reliability. I obviously don't want to lose any data which is stored on the NAS. Which RAID would be the best? I ...
Franz's user avatar
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Cannot get over 100k iops from storage on 10g network on 4k random blocks

My setup description: storage system for vm storage: supermicro server, 1-socket Xeon E5-2620 v4, 82599ES-intel-based RA-Link 10GE network adapter, 8x pci-e 2.0, plugged in 8x pci-e 3.0 slot, debian ...
John Kraft's user avatar
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SAN Solution for diverse VM Servers

I recently got my fingers into Server Administration. I am currently the only person administering an air gapped network with 8 sites. Most things are dated and old but I get the money to renew things....
Auberginer's user avatar
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Why is the Synology NAS not starting the VPN connection automatically

Our remote Synology NAS box is configured to connect to the local NAS box via VPN. Reconnect when the VPN connection is lost is ticked in the Control Panel -> Network->Network Interface section. ...
Rohit Gupta's user avatar
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4k views

Unable to mount SMB shared : mount error(95): Operation not supported

I have created a shared folder in QNAP TS-433. I can mount the SMB share on a Windows client. I am unable to mount the SMB share on Linux (Centos 6.8). mount -t cifs -o ver=3.0,user=test //172.17.134....
supmethods's user avatar
-5 votes
2 answers
1k views

Encryption at rest for VM storage in a hypervisor done properly/elegantly

Given a very simple infrastructure - a single machine running a hypervisor(Proxmox if it matters), I want to achieve a good data protection against the hardware being stolen. Let's say there are ...
alex.b.bg's user avatar
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NAS de-duplication best practices - how do hardlinks handle compression?

I just joined a SMB as their first full-time tech guy, and the company's backup architecture is a mess. Leaving aside all other issues (of which there are many), the office has multiple different NAS ...
Ballyhoo's user avatar
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1 answer
264 views

Are Western Digital SSDs compatible with QNAP TS-469U-RP NAS?

I just purchased a QNAP TS-469U-RP NAS. It is my understanding that just about any SSD will be compatible to work in a NAS, as long as the make and model of all four drives are identical. That being ...
MikeyE's user avatar
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Is it possible to create a backup RAID 5 on a nas by replacing 1 drive at a time? [closed]

During a recent office relocation my QNAP TS-509 (RAID 5 with 4 2tb WD Red) wouldn't boot properly and fooling around trying to correct that I lost the volume. As I was expanding my very limited ...
Bob M's user avatar
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How to reset the resolv.conf file on a Synology Diskstation NAS?

Quick question from a newbie: Is there a way to simply reset the resolv.conf file? According to Synology support, my resolv.conf shows some strange DNS servers, which I have never specified. How can I ...
bakgwei's user avatar
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1 answer
220 views

Shared network attached storage - trunked with multiple vlans?

I am introducing an NFS server which I would like to share with KVM guests across different VLANS. I am trying to find a solution which would strike a good balance between function, serviceability, ...
Tomp736's user avatar
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314 views

Issues during Synology NAS LUN backup

I'm having an issue with my Synology DS210j, DSM 4.2-3211 version. NAS LUN backup fail issues began occurring for some time, with different backup tasks failing. Issue reported in logs for this job is:...
Pathfinder's user avatar
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2k views

Best way to store database file on a NAS and run the server on a computer

I have a txt file more than 250go I want to create a database with that and access it by a python program that I'll be coding. I have a NAS server on my local network ( 1gbit network ) And I would ...
Eva exe's user avatar
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What is this "phantom" group?

My LXC container mounts a NAS on /share. $ ls -lha / ... drwxrws--- 8 nobody 4000 153 Mar 21 16:22 share ... Since I cannot login as nobody user, I tried to make myself a member of the 4000 ...
yujaiyu's user avatar
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2 votes
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NAS solution for a synced two geo-location Active - Active

We are looking for an open source solution to NAS. We are going to use it on two different server farms with two different geo-location (expected capacity is 10TB). It should have the following ...
user951713's user avatar
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1 answer
703 views

Transferring data between a QNAP and Synology NAS over distance

I have two NAS devices, one from Qnap, one from Synology, each in a different city and need to transfer tens of GB between them. The Synology is accessible through QuickConnect and the Qnap through ...
Ondrej's user avatar
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Determining Required LUN Level Uniqueness

I have primarily used NFS for most of my storage needs but I find my self setting up some iSCSI targets today and had what is likely a super basic question. When I create an export for an iSCSI target,...
Sherlock's user avatar
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How to make one volume with maximal capacity out of the two disks in a 2-bay NAS without striping

I have a Synology NAS with two disks which I want to combine to one large volume for backing up an other system. I don't need redundancy, so something like RAID 0 would do. However I don't need the ...
halloleo's user avatar
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1 vote
2 answers
1k views

Unable to access Qnap NAS device

I have a Qnap NAS connected to Qnap QSW-M2108-2C managed switch. That switch has one port leading to the internet and another port connected to a MacBook running Qfinder Pro. Everything was working ...
hughesdan's user avatar
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1 answer
866 views

Rsync from MacOS to Synology NAS: "@ERROR: host is denied to login"

I'm using a Synology S420j (running DSM 6.2.4-25556) to backup files from my Mac (Monterey v12.1) using the following command: rsync -avz --backup [email protected]::backups/ This has previously ...
stevec's user avatar
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Is there a risk for HDD being loosely packaged for transportation?

I have received two HDDs (for a NAS) in a loosely package and not really sure if it is safe to keep them. My concern is that they might have been damaged during transportation. Although it doesn't ...
devnull's user avatar
-1 votes
3 answers
1k views

WD MyCloud NAS - 1 Failed Drive replaced, found another dead one before array was rebuilt [closed]

I have a WD MyCloud 4-bay NAS with 4x 3tb drives in it setup in a RAID10 configuration (with a total RAIDed capacity of 5.5tb). A drive had failed and I got it replaced. When I entered the dashboard ...
GhostWolf's user avatar
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800 views

How do I backup my Synology NAS to an an expansion unit to carry offsite?

My intent is to use an expansion unit (DX517) to backup my DS920+ NAS, say every week, and then carry it offsite. I hope I bought the right equipment! I'm an absolute novice at this. All I've done so ...
Mustang's user avatar
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1 vote
1 answer
662 views

NFSV4 w/CHMOD & CHGRP

I'm just starting off with NFSV4 and had a few questions. So normally when creating an NFS share on a NAS filer and mounting on a client I would run a chmod & chgrp to set things up the way I want....
marshit's user avatar
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Cannot reach Synology NAS with Windows Explorer

I cannot access the office Synology NAS from one of the clients on the network, using Windows Explorer. When I click its icon in the Network section, I get an error: "Couldn't access \\...
Ben Opp's user avatar
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416 views

MS Access database across small company LAN: NAS vs virtualized Windows Server

I'm currently developing a small sized Windows application. For compatibility reasons, I'm limited to use MS Access as DB "backend" (migration to SQL Server planned but not doable yet). In ...
IFrank's user avatar
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2 votes
2 answers
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High speed network writes with large capacity storage

I have a NAS running Samba with a 20T ZFS pool with one raid1 vdev with two spinning rust drives. I have 16G RAM in the machine right now. The storage is used for continuously growing, permanent ...
Emma's user avatar
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What are the risks of using myQNAPcloud?

In my organization we have QNAP NAS, which is currently behind NAT, but with port forwarding it's accessible from Internet by our domain. Recently I've learned about myQNAPcloud service. As I ...
Sanchez's user avatar
1 vote
1 answer
1k views

Are Samsung B-Die and C-Die Compatible?

I am building a NAS (running TrueNAS/FreeNAS) using a SuperMicro A2SDi-8C+-HLN4F motherboard. I ordered 2 sticks of this Samsung C-Die RAM from a supplier but they could only send me 1 as it was the ...
Iceape's user avatar
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1 vote
1 answer
582 views

mount nfs as another folder on home

I have purchased a WD-Ex2 NAS and am trying to share a folder via nfs with my ubuntu machine. This folder will be used only by this machine and I want to be able to have execute permissions with my ...
user60108's user avatar
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