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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Windows Server 2022 NAS/SAN

I have a Windows Server 2022 server intended to be used as storage server. In the server are two LSI 1068 HBA cards. First plan was MPIO, but is not working. The two LSI controllers have two SAS ...
2 votes
3 answers
7k views

cannot read clients from nas table in freeradius only from clients.conf

I have installed freeradius on Centos. The MySQL database is populated with some data for testing, and the freeradiusd.conf and sql.conf are configured. The RADIUS server is able to connect with the ...
0 votes
1 answer
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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 ...
0 votes
1 answer
93 views

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 ...
0 votes
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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 ...
2 votes
2 answers
4k views

NAS Device can't change permissions of folders/files

We have a Powerbay NAS device and there are 3 iMacs connected to it, when we initially created folders/files on the NAS device the iMacs had an incorrect Mask setting. So the folders and files were ...
0 votes
1 answer
88 views

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 ...
0 votes
1 answer
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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 ...
2 votes
1 answer
468 views

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 ...
4 votes
1 answer
6k views

How to compile capacity and used capacity of an EMC VNX via CLI?

I'm automating a report that will essentially duplicate the information shown in the Storage Capacity Summary chart from the EMC Unisphere web interface. I need to perform this from the command line ...
2 votes
2 answers
216 views

Adding SAS/RAID controller disables network ports. Why?

I've built a NAS that has been running well for months. I recently decided to add a LSI MegaRAID SAS 9260CV-8i L3-25377-02B 8 Port 6GB/S SAS RAID Controller to it with a couple of additional 12TB HHDs ...
0 votes
0 answers
142 views

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, ...
-2 votes
2 answers
218 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 ...
1 vote
1 answer
3k views

Synology DS218+ NAS new folder can not be seen from remote log in

I am getting some odd behaviour on my client's NAS, a Synology DS218+ the TLDR is that it's not letting me see a new folder from remote. The DS218+ is a machine that is new to me, and I'm learning ...
0 votes
0 answers
687 views

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. ...
0 votes
0 answers
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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 ...
0 votes
1 answer
213 views

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 ...
0 votes
1 answer
101 views

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&...
1 vote
1 answer
28k views

Butterfly Backup server

I have a Butterfly Backup server. I implemented a solution as described in this article: dev.to. In my sever list, I have two NAS, used as user file repositories; the files change and are changed ...
0 votes
1 answer
167 views

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. ...
0 votes
0 answers
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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 ...
1 vote
1 answer
283 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 ...
2 votes
2 answers
21k views

ntpdate failing "Name or service not known"

I've got a NAS that is Linux-based (Linux version 2.6.32.11-svn70860) and it is not able to set its time using ntp. The previous SysAdmin is long gone so I have no idea whether this problem just ...
1 vote
2 answers
857 views

Recoving from a software RAID 5 disk failure

I'm putting together a cheap NAS box and I've read some articles about raid5 not being as robust as I'd imagined. I wanted to get some answers to the following questions before I proceed. I'm ...
1 vote
1 answer
635 views

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 ...
0 votes
0 answers
676 views

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 ...
1 vote
2 answers
1k views

Windows Server Shares web interface?

At work and home, I use Server 2003 with Windows Shares. We also have a couple of Netgear ReadyNAS appliances at work, managed via the web interface. Is there a built-in Web Interface for managing ...
0 votes
0 answers
336 views

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 ...
2 votes
0 answers
1k views

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 ...
2 votes
1 answer
2k views

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 ...
0 votes
1 answer
104 views

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,...
0 votes
2 answers
3k views

Expanding synology virtual machine disk - disk space not recognized

I've created a Virtual Machine in Synology Disk Station Manager (an ubuntu server) with a specific amount of storage space in a virtual disk, but I have depleted it. Went to Synology Disk Station / ...
1 vote
4 answers
5k views

SFTP login accepted, SSH login denied by Synology NAS

On a Synology NAS, I want to enable SFTP and SSH for some non-admin users. (SSH mainly for pushing to git repos on the NAS.) What works I was able to make SFTP work with different clients on Mac ...
-1 votes
1 answer
4k views

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 ...
0 votes
0 answers
646 views

Why is mounted nas showing 0 inodes on users partition?

I am using a NetGear ReadyNAS machine as a NAS for our server. The server is a linux CentOS 6.6. The server is run using Rocks cluster, with all our users' home directories located on the NAS. My ...
-1 votes
2 answers
512 views

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 ...
8 votes
4 answers
34k views

What is "Enable Bitmap" on my Qnap NAS?

What is "Enable Bitmap" on my Qnap NAS? Will it allow me to recover data in case of failures?
2 votes
0 answers
3k views

Access local network via Synology OpenVPN

I'm trying to access my LAN via a Synology NAS with the OpenVPN package. My router IP is 192.168.1.1 and my Synology NAS IP is 192.168.1.100. They are both connected to a managed Netgear switch ...
3 votes
2 answers
98 views

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....
2 votes
1 answer
1k views

Using NDMP Device as Storage in Symantec Backup Exec 2012

In our backup system, a group of servers are being backed up using Symantec Backup Exec 2012 to HP Disk Cartridges. We use HP Ultrium 5-SCSI as the disk drive, and HP 1x8 G2 Autoloader to load the ...
2 votes
0 answers
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....
-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 ...
0 votes
1 answer
3k views

QNAP TS-419 QTS 4.1.2 Using OpenVPN to Connect as a VPN Client

I'm following up on a similar user request: QNAP TS-419p as a VPN Gateway? I have a QNAP TS-419 II, with Firmware 4.1.2. I have a VPN service provider than uses OpenVPN to connect to their VPN ...
0 votes
1 answer
381 views

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 ...
0 votes
2 answers
1k views

Need to copy 100 TB of data from Dell EQL NAS to another Dell NAS, what is the best and fastest method?

I have a Dell Equallogic NAS group, capacity 500 TB. Need to move off 100 TB out of it to another similar NAS group. Storage arrays are PS6500E (5 of them in one group) and NAS heads are FS7500. ...
43 votes
5 answers
72k views

Ext4 vs. XFS vs. Btrfs vs. ZFS for NAS [closed]

My use case: I have Ubuntu Server 18.04 installed on an M.2 SSD. I have a 4TB HDD I want to add as storage. Since it's mostly for large media files and backups, it won't be written to very often. ...
2 votes
3 answers
78k views

Windows 10 connecting to external SMB share

I currently have a Synology NAS at my office that I wish to connect to remotely with SMB. This works perfectly fine on my MacBook, I use finder to connect with smb:\\<domainname>\<share>, ...
1 vote
1 answer
3k 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 ...
13 votes
4 answers
131k views

The Network folder specified is currently mapped using a different user name and password

I have a NAS device, it has 3 shares. On one computer I have access to all 3 of the shares. On another computer I keep getting this error when try and add a 2nd one. The Network folder specified is ...
0 votes
1 answer
2k views

How to Automatically delete files from NAS Server

We have a security camera in our office that saves video files in a NAS Server. These video files are occupying a lot of storage. I am looking a way to delete these files automatically which are older ...

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