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

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Idmapd apprently only works in one direction

I connect to a Synology NAS using NFSv4. Everything looks nice and read access works as expected. But writing produces the wrong uid gid on the server, i.e. writing a file produces a nobody:nogroup ...
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50 views

NFS Performance Issue Using NAS

I am encountering some performances issue using NFS. Here my configuration: A physical NAS with some internal storage plus an external storage. A virtual linux machine called GhettoVCB where I have ...
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2answers
247 views

Linux: echo 3 > /proc/sys/vm/drop_caches takes hours to complete

I have a Thecus N8900 NAS, which is a Linux based file server, providing files via NFS to six clients. For some reason that Thecus support has yet to explain, it runs a script that checks ...
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3answers
265 views

Should I use a NAS for file sharing, or just Windows network share folders?

We have a semi-corporate environment with about 25 users. Most machines are Windows7 but there are some Macs on the network, too. We want to set up some location (on a Windows server with lots of ...
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1answer
210 views

NAS Migration: Preserve “Previous Versions” shadow copies

We're planning a forklift upgrade of our NAS and were going to use a utility like Robocopy to move the files over. However we'd like to preserve Windows' "Previous Versions" shadow copies. Any way to ...
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1answer
1k views

Continuous outbound connection from QNAP NAS

I notice on my firewall that my QNAP NAS is continuously sending UDP sessions out to the Internet. Every second I have 5 - 7 connections out to addresses like the following: 2013-11-10 23:17:54 Deny ...
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2answers
130 views

Install Mozilla Thunderbird on NAS [closed]

I have a small office with 3 computers running Linux Ubuntu. All the data are stored in a NAS drive (WD MyBook Live). I would like to - somehow - be able to access the email archives as well from each ...
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1answer
6k views

what is acceptable datastore latency on VMware ESXi host?

Looking at our performance figures on our existing VMware ESXi 4.1 host at the Datastore/Real-time performance data Write Latency Avg 14 ms Max 41 ms Read Latency Avg 4.5 ms Max 12 ms People ...
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1answer
84 views

ZyWALL 2 Plus firewall make NAS public [closed]

How can I configure so that I can have access to my NAS world wide ? I tried different options but none of the combinations went successfully. FROM WAN to LAN - allow any to a specific address from ...
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2answers
2k 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 ...
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1answer
607 views

Can't get rsync over sftp to work

I'm trying to set up a backup system from an Ubuntu server to a Synology NAS (DS413j) using rsync and sftp. I have created a user for this that we can call ubuntu-backup. I have a directory in ...
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128 views

Brief example for non-trivial idmapd sought

I manage users using an OpenLDAP server. I now want to connect a NAS as the main file server using NFSv4. The NAS allows me to import LDAP users and groups, but it maps them to user@ldap.domain. So I ...
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1answer
137 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 ...
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350 views

Access iomega StorCenter ix4-200d dump utility from SSH

My employer is in the process of returning a broken HDD to Lenovo/iomega. Unfortunately, before we can send it in, they require us to do a complete dump of the system's current state. Normally, I ...
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1answer
133 views

Is there a way to synchronize my distributed storage infrastructure with file changes possible on each location? [closed]

I need a storage device in 3 different location. Each device will have 4TB of storage. At least 2TB should be a 'shared folder' working like Dropbox: when a user change a file in one location, the ...
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2k views

Synology DSM4.3 with Kerberos and NFSv4

According to the press releases of Synology DSM4.3 can do NFSv4 and Kerberos. Actually, in the Tab with NFS settings, there is a button for Kerberos settings. But I cannot find any guidance anywhere. ...
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130 views

Replication of files between a windows server and a NAS

I am planning some improvements to my server infrastructure and I have encountered a potential problem. I currently use dfs replication to sync files between 3 windows servers at 3 different sites. ...
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36 views

Switching from Windows Server to NAS

so I recently started my new job as an IT specialist in a small media agency (~6-8 people). We currently struggle with the server crashing occasionally (within 4h - 48h) probably due to a hdd / ...
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2answers
53 views

Can I mount a share to an EMC array?

I would like to mount an NFS share to an EMC array enlarging it's capacity until we can expand the EMC environment. I have a cheap Synology with 12TB of storage I would like to use to expand it for a ...
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2answers
289 views

Setting up a storage server to replace Dropbox [closed]

We are a non-profit organisation in education sector dealing with a lot of external stakeholders including the government. As such, we work with a lot of documents every day including: Office ...
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2answers
126 views

Just how bad is Network Attached Storage for certain cloud applications?

I have heard it recommended to stay away from AWS hosting for certain "big data" applications (e.g. Hadoop, Cassandra, Solr) because EC2 instances typically use network attached storage (though there ...
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1answer
376 views

Lenovo ix4-300d - apt-get not working [closed]

I just bought a NAS (Lenovo ix4-300d) that's running Debian, and I just found out how to enable SSH. I want to install Apache, MySQL and PHP for local development. When I'm trying to use apt-get, I ...
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1answer
95 views

How to avoid deliberate corruption using a NAS for backup

This is an extension of my question here (Small office backups, small NAS (RAID) vs single disk). What would be a good way to structure a NAS backup solution to prevent deliberate corruption by a ...
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1answer
116 views

Implications and ability to use network drive for storing ShadowCopy data of local drive in Server 2003?

I have ShadowCopy running on a shared drive in SBS 2003 that is 90% full. Checking the space, 10GB of that is currently being used for shadowcopy: vssadmin list shadowstorage Used Shadow Copy ...
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1answer
120 views

NFS File Sharing issue in NAS

We bought a new H-NAS Server and running fine. We created 500GB of space for our subversion repositories and the nfs share has been created. When I create a new directory the owner and group shows as ...
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1answer
292 views

Freebsd 8.1 Samba4 smbclient returns NT_STATUS_INVALID_PARAMETER

I'd like to setting up a NAS server and run Samba4 on it. When I'm runing this command: # smbclient -I 192.168.48.128 -L NAS_GROUP Enter root's password: Connection to 192.168.48.128 failed (Error ...
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1answer
47 views

replace a healthy drive in Raid5 on NAS

Good day! I have a 4 disk Iomega NAS. The config is: 4x2TB RAID5, 4.4 allocated, 2.3TB used, and i kept 1TB as available, but not allocated. Nothing has failed, but while 3 disks are 7200 rpm and ...
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1answer
442 views

Redirect a shared folder to another server

Is it possible to redirect a shared folder to another server? We are moving some shares from a windows server to a NAS. The old server will keep running because it still has IIS and some other ...
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2answers
82 views

Best approach to migrate shared folders and not break links to files

We are going to migrate some shared folders from our windows servers to a NAS appliance that we already have. What is a good way to maintain links inside the files located in these shares? There are ...
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2answers
129 views

Load Balancing Between NAS Boxes

We currently have a Thecus N12000V with 16 TB in RAID 10 (currently half full). From what I've read online, this nets about 50MB/s. Due to too many people connecting to it, most people are getting ...
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3answers
404 views

Upgrading server motherboard while maintaining 12 SATA ports

My office has been using a FreeNAS server that was built with desktop hardware. We use it for storing RAW photos (~50mb each). We have 3 workstations that access (browse, retouch, save) the files ...
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1answer
36 views

Good way to get HDD in a large logical disk. *7 Discs of different sizes [closed]

Basically I would like to have one large logical disk. Data security is important, but not critially. Typically I would like something like 1st prize: Raid 5 2nd prize: Loosing all data on failed ...
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1k views

Can I safely remove all disks of a synology NAS while its turned off?

I have a Synology 4-bay NAS (RS409RP+) with a RAID 5 installed on 4 hard disks. Now I need to upgrade the NAS to a bigger set of hard disks, and because these hard disks are 3TB each, I cannot use the ...
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1answer
190 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
330 views

Can't find ISCSI drives after NAS firmware update

This is what it's all about: I've got a Linux network with an actual hardware server running two separate virtual machines and a QNAP NAS T-459 Pro+ as a fileserver. Since updating the QNAP firmware ...
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1answer
830 views

How do “surveillance” and “nas” class drives relate to “enterprise” and “desktop” [closed]

The manufacturer of a specific NAS I have purchased have a table of supported drives, classified for (in alphabetical order): Desktop Enterprise Nas Surveillance Desktop and enterprise are clear, ...
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238 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 ...
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1answer
184 views

Connecting to NAS boxes/printer located on local private WAN network

The set up Here's a diagram of my network: # Building 1 (Main) --------- | MODEM | --|------ | |-[WIRED] | --|------------------------------------------ | DrayTek Vigor 2130N ...
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3answers
127 views

What qualities to look for in a NAS for short term storage?

Background I work at a research department working with biomedical data and we are currently considering to the revise our IT-structure. We have several instruments that generate GBs of data on a ...
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1answer
110 views

On the fly encryption of data ( not your average type) [closed]

I'm looking to build my first nas. And i intend to connect over the internet to it. Because i will have some work documents too on it i want to make it as secure as possible. I have no ...
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1answer
139 views

How to prevent Windows 8 computer from periodically checking a Samba share

My Windows 8 box keeps nagging my QNAP TS-112 NAS, preventing it from spinning down its disk. Is there any way to prevent this behavior? The connection log on the NAS looks like this: 2013-03-07 ...
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1answer
492 views

Is using a NAS with hot swap disks an effective way of cycling backups?

We are looking at improving our backup solution. We don't have a huge amount of data to back up (currently ~500GB) which is backed up nightly onto an external HD. We have 3 of these HD, with one going ...
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1answer
428 views

iscsi concurrent access / iscsi volume shared access on NAS

I having a 7-bay NAS box with Raid-5 (5.3TB usable) with netgear gigabit Ethernet switch to connect the hosts (3 windows7 machine Specs: i7 / 16GB RAM / 1TB HDD / gigabit Ethernet NIC). (All of the ...
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1answer
970 views

apt upgrade error on My Book Live [closed]

I have a WD My Book Live network drive (http://www.wdc.com/en/products/products.aspx?id=280) on my LAN. I can SSH on the network drive which seems to run Debian: >> cat /etc/issue Debian ...
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106 views

Is it possible to set up NAS to share files and then check for most recent edits and sync?

I'm not sure if this is a serverfault or a superuser question, so my apologies if I'm in the wrong place. I have a Synology NAS and We have an office with two laptops. I want to share one folder ...
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2answers
107 views

Building a small server setup - need storage and reduncy - NAS or SAN? [closed]

I want to build a small server setup. With 2 load balancers, and at first 2 webservers. I need a setup where both webservers would be able to upload and download files from a common storage solution. ...
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2answers
48 views

how can I connect to a server throught a firewall? [closed]

I am trying to make a datbase connection from the Server A to the Server B , the Server B can only reached throught a network, that has its gateway on a firewall (it distributes internet and all other ...
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3answers
393 views

Mixing enterprise and desktop HDDs in a NAS

Is mixing enterprise HDDs and desktop HDDs in a NAS a bad idea? (Trying to transition a NAS to all enterprise drives without the large one off cost by instead replace the desktop drives with ...
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2answers
1k views

ZFS and green drives/TLER

I'm setting up a NAS box based around freenas and ZFS. I've read lots of posts (like this one) about "deep recovery" and green drives when using RAID-5. Does ZFS (vs Raid-5) mean that this problem ...
2
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1answer
72 views

Update RAID 10 NAS storage

I've got a NAS with 4x500GB HDD in RAID 10. I want to change the actual HDDs to others of 1TB capacity, but I want (if possible) to preserve the data without having to copy it outside the NAS. The NAS ...