Dez 182020
 

Professional NAS software often offers additional protocols such as Apple AFS, FTP, and many others. Now to share some files on the network using the popular protocol, SMB/CIFS. dmraid 10 is not exactly 1+0. Give the system a few seconds to ‘see’ the disks, then enter the following: This command tells you about devices connected to the system. I already have prepared a NAS with my raspi 4, and I was wondering what power supply are you using for feeding 4 x WD HDD. Our NAS can now create file shares, the most basic of capabilities. Building the fastest Raspberry Pi NAS, with SATA RAID, recompiling the kernel with SATA support on the Pi itself, Samba and NFS installation guides in this issue, CableCreation low-profile SATA cable 5-pack, CoolerGuys 12v 2A Molex power adapter (for drives), Cable Matters Molex to SATA power adapter, ICY DOCK ExpressCage 4-bay 2.5" hot-swap cage, Cross-compiling the Raspberry Pi OS Linux kernel on macOS, I'm booting my Raspberry Pi 4 from a USB SSD, You can use a PCIe switch and use both the SATA array. And the SATA kernel modules are not included by default, which means the first step in using a PCIe card like the IO Crest (which has a Marvell 9215 chip—which is supported in the kernel) is to compile (or cross-compile, in my case) the kernel with CONFIG_ATA and CONFIG_SATA_AHCI enabled. Inside you’ll discover a 20-page feature celebrating 100 moments from Raspberry P…. Connected through USB 3.0, a SATA SSD is no slouch, but if you want the best possible performance on the Pi, using direct NVMe or SATA SSD storage is the best option. I ran into a few different issues when formatting different sets of disks. This article first appeared in The MagPi 85 and was written by PJ Evans. Very thorough job. Top of page. For reliable power we added a powered USB 3.0 hub. I think the Compute Module 4, with it's built-in Gigabit networking and ability to use one or more PCI Express cards, is the first Raspberry Pi that I would consider 'good' for running a reliable and performant NAS. SATA random IO speeds are way faster, so if you're using the Pi to serve up disk images for netboot, VMs, or even for small file sharing, it's going to be a lot faster even over a 1 Gbps port than the same drive through USB 3.0. Is enough with the same power supply? The most important decision you’ll make is how much storage you’ll need. Technically it's not required to partition before creating the array... but there are a couple small reasons it seems safer that way. No link for the RPI4? I linked to those in my initial Pi Compute Module 4 Review post. Should the Raspberry Pi NAS fail for some reason or we want to quickly copy information over a USB 3.0 connection instead of via the network, having NTFS-formatted disks makes it dead simple to take the portable USB drives we’re using on the NAS build and plug them right into one of the many Windows machines we use every day. Speaking of network traffic, the last test I did was to install and configure both Samba and NFS (see Samba and NFS installation guides in this issue), to test which one offered the best performance for network file copies: It looks like NFS holds the crown on the Pi, though if you use Windows or Android/iOS primarily, you might see slightly different results or have a harder time getting NFS going than Samba. I'm pretty sure this is also what I'm running into with my laptop usb drive raidz nas that's limited by the 1x pcie lanes to the pch. But a 5 port compact SATA SSD NAS would also be interesting. We decided on 1 terabyte of storage, meaning two 1TB external drives. How much ram does the Raspberry Pi Compute Module 4 have? Replace the failed disk as soon as possible and the array is ‘rebuilt’. Since the day I received a pre-production Raspberry Pi Compute Module 4 and IO Board, I've been testing a variety of PCI Express cards with the Pi, and documenting everything I've learned. It provides a certain level of data redundancy, but will not be of any help if you accidentally delete a file. The design of Raspberry Pi means using external USB disks. Did you look at the energy consumption of your setup? In reply to No link for the RPI4? (It's single client, so synchronization primitives are less important. In this project, we’re going to setup a Raspberry Pi 4 NAS using openmediavault. Sudden power cuts can spell disaster for Linux-based systems due to the way they handle files in memory. Happy birthday Make an online birthday card on a webpage. Quit (CTRL+X, followed by Y), then run the following so the RAID array starts up correctly on boot: Reboot and you should have /mnt/raid1 ready to go. Did you find any solution to what you suspect is linux flushing to disk and starving the nic of io bandwidth, continuously tanking the network transfer speed? The RAID-1 system is operational. The files themselves should be available with appropriate security measures over desired protocols. Designing a Raspberry Pi NAS using external USB drives. If you’ve enabled SSH, you’ve already got SFTP available; just connect using your favourite FTP client using /mnt/raid1/shared as the starting point. Thanks for sharing your work and good luck! As with most Pi projects, you’ll want to open a Terminal, either on the Pi itself … The setup is headless, meaning we access the RaspberryPi only via remote SSH controls. The most important decision you’ll make is how much storage you’ll need. We will use that as a basis to for the installation. ⇒ Characteristics of Linux RAID levels ⇒ Build your own Raspberry Pi NAS ⇒ How to Setup a Raspberry Pi Samba Server ⇒ Build a Raspberry Pi RAID NAS Server – Complete DIY Guide ⇒ Partitioning, Formatting, and Mounting a Hard Drive in Linux It looked like a race condition of some sort, and after some Googling, I found out that's exactly what it was! Installing Ubuntu Server. You need to repeat the process for the second drive by entering: RAID (redundant array of inexpensive disks) is a method for protecting data by duplicating it over multiple disks. To do this we use fdisk. Make a crazy Christmas game and guide Santa on his Christmas Eve run, delivering the MagPi magazine, LED cubes may not be new, but one maker has created a cube with a USP – a status monitor for his PC. The ROCK Pi SATA HATs come in 3 models: Now, thanks to the improved throughput of Raspberry Pi 4 with USB 3.0 and Gigabit Ethernet, you can build a fully featured NAS for a fraction of the cost. fdisk will now exit. Rob is amazing. Finally, make sure everything is up-to-date with sudo apt update && sudo apt -y upgrade, then reboot. You can format and mount the new virtual drive: You should see one item: ‘lost+found’. Hi, All content copyright Jeff Geerling. In reply to How much ram does the… by oREDi. Using the Raspberry Pi as an always-on NAS box sounds like a wonderful use of the silent little device. Tutorials on Linux, Raspberry Pi, Windows and Networking. Anything written to one disk is automatically written to the other. This part’s pretty easy. You can find a few SATA HATs for the Raspberry Pi 4 that support single SATA or mSATA connections, such as Geekworm’s $26 X825 or Renkforce’s $19 SATA Extension Board, but Radxa’s new line of SATA HATs for network attached storage (NAS) applications appear to be the first to support multiple SATA connections. So more RAM would definitely help make for more consistent transfers, but I don't think that's the only bottleneck, as copies would still start showing slowdowns after only 1-2 GB sometimes, even after a fresh reboot. The ideal solution is to use a cloud provider such as Google or Dropbox to back everything up. I'm going to create a RAID 10 array for my own use—you can check out the associated video linked above for the reasons why I chose RAID 10 instead of something else. Also, the client OS can do more caching.) It turns out that SATA chips are very difficult to get a hold of and JMicron is the only one that has been responsive. Hi thank you for sharing this valuable information. I work with storages for last ten years, maybe more, but what you do here is just excellent :). Great write up, was thinking about this as a project (at some stage), you've given me so much really useful information and many new tabs! Disappointed with the results I accepted the failure and moved to other projects. Posted This battery backup safely keeps your Raspberry Pi and hub running in the event of a power cut. For a much more affordable way to store loads of files to share with friends or family, Raspberry Pi 4 is ideal. To keep things fair, since it couldn't hold a candle to even a cheap SSD like the Kingston, I benchmarked it against my favorite microSD card for the Pi, the Samsung EVO+: While the hard drive does put through decent synchronous numbers (it has more bandwidth available over PCIe than the microSD card gets), it gets obliterated by the itsy-bitsy microSD card on random IO! New Raspberry Pi 4 USB 3.0 Personal Cloud With RAID Backup: Hello and welcome. Come with us and celebrate with this special edition of The MagPi magazine. Set this up and create a regular cron job to make sure your data survives. The Raspberry Pi, on the other hand, is such a versatile little board that it can act as a cheap trial NAS that—once you grow out of it—can be repurposed for something else. It does striping and mirroring "combined" instead of one after the other. So, to grant access to the current user, ‘pi’: You’ll be asked to choose a password (it doesn’t have to be the same as your Raspberry Pi password). Just keep pressing ENTER (accepting the defaults) until ‘Created a new partition’ appears. Just add your Raspberry Pi 4 to this Kit and your NAS is complete and it really looks great! Visit our projects site for tons of fun, step-by-step project guides with Raspberry Pi HTML/CSS Python Scratch Blender. I appreciate you a lot for doing this. One thing you must have mentioned that a backup power, the files will be doomed if such thing happens. You only have one PCIe lane to work with whether you have a regular rpi4 (the USB3 is attached to it) or you have an expansion card. I also wanted to measure thermal performance and energy efficiency, since the end goal is to build a compact Raspberry-Pi based NAS that is competitive with any other budget NAS on the market. You probably get better efficiency if you use something like LVM and share a logical volume (rather than a file). But putting slower hard drives into RAID can give better performance, so I next tested all four WD Green drives in RAID 0 and RAID 10: And, as you'd expect, RAID 0 basically pools all the drives' performance metrics together, to make for an array that finally competes with the tiny microSD card for 4K performance, while also besting the Kingston SSD for synchronous file copies. Well, I'm also testing some PCI multi-port switches with the Pi—follow that issue for progress.). Rock band Make your own musical instruments with code blocks. Obviously, it's not an option when you need to share files — you need to unmount it from one client and mount it on another. So why do you think it matters if your drives are USB or SATA attached? In my Raspberry Pi NAS, I currently have one powered 4TB HDD, one non-powered 4TB HDD and a 128GB flash drive mounted without issue. Thanks for answering. Thanks to Alex Ellis and Emmet Young for their excellent blog posts on RAID and Samba. To make sure mdadm automatically configures the RAID array on boot, persist the configuration into the /etc/mdadm/mdadm.conf file: And to make sure the filesystem is mounted at boot, add the following line to the bottom of your /etc/fstab file: One other thing I had to do a number of times during my testing was delete and re-create the array, which is not too difficult: Then also make sure to remove any entries added to your /etc/fstab or /etc/mdadm/mdadm.conf files, since those would cause failures during startup! Install the hard drives in the enclosures, … We imaginatively changed ours to ‘nas’, so the network address is ‘nas.local’. Thank you for sharing your benchmark and all the steps. Getting started with the Raspberry Pi Set up your Raspberry Pi and explore what it can do. You’ll save money and get a regular supply of in-depth reviews, features, guides and other PC enthusiast goodness delivered directly to your door every month. For example, when I was trying to format four HDDs the first time, I got: And the solution I found in this StackOverflow question was to run: I also ran into the message Device or resource busy when I tried formatting four SSDs, and it would always be a different device that was listed as the one being busy. Now only that user can access that directory. In reply to Thank you for sharing your… by Gonzalo. In reply to Hi thank you for sharing… by Johan. RAID is not a backup system. But it's a good option if you just want to have external storage. Amazing work! Rotary drives give us lower cost and higher capacity than SSDs. For my board, I’m currently eying the JMB582 or JMB585 which are pci to 2 or 5 port SATA chips, respectively. Really interesting article. I had and NAS together so the intent is to set up the NAS for local network storage for my videos and documents but also as storage for the volume data used by the docker containers. Using the Raspberry Pi 4, with portable USB drives configured in a Linux RAID configuration. (Raspberry Pi 4 is too hard to get at the moment, but I will see if I can get one soon :P ) Raspberry Pi 4 support will definitely be added soon, with its on board USB3.0 port and Gigabyte Ethernet, it is the best board to setup a Raspberry Pi NAS. The Raspberry Pi, on the other hand, is such a versatile little board that it can act as a cheap trial NAS that—once you grow out of it—can be repurposed for something else. Run the following: If you are asked any questions, just select the default answer. Just - wow. To provide a layer of protection, you’ll need to double the number of drives to make sure your data is safer. Here are links (Amazon affiliate links—gotta pay the bills somehow!) Samba is a re-implementation of the SMB (Server Message Block) networking protocol that allows Linux computers to seamlessly integrate into active directory environments. I am not so experienced with pi, but why didn't you consider OMV ? One question I do have is if a PCIe X1 riser card would work on this? The first thing I wanted to test was whether a SATA drive—in this case, a Kingston SATA 3 SSD—would run faster connected directly through a SATA controller than it ran connected through a USB 3.0 controller and a UASP-enabled USB 3.0 to SATA enclosure. When prompted for a command, enter ‘n’ for new partition. Save 37% off the cover price with a subscription to The MagPi magazine. If the second drive fails, disaster. Using Linux's Multiple Device admin tool (mdadm), we can put these drives together in any common RAID arrangement. If a drive does fail, your system will be in a ‘degraded’ state, meaning that data is at risk until the drive is replaced. maltesander In this tutorial we build a NAS Samba DLNA RAID server on RaspberryPi 3 Model B. If you wish, configure WiFi at this point, but for a decent NAS you’ll ideally be using the lovely full-speed Gigabit Ethernet port. Prep your storage. Plus, power requirements would be far lower. A Raspberry Pi NAS is affordable and easy to set up, all you need is a Raspberry Pi and some digital storage. over 1 year ago. Should a disk fail, your NAS keeps running and you don’t lose anything. In my case, it's already faster than the old Mac mini I have been using as a NAS for years, which has only USB 2.0 ports, limiting my file copies over the network to ~35 MB/sec! I can imagine an enclosure... thanks for giving this idea some new strength. No keyboard, mouse or display are required to be connected to the Pi. Since I have three disks, I’ll be using RAID 5 because it offers redundancy and more storage available than RAID 1. Then enter ‘p’ (for primary partition). As you can see, connected directly via SATA, the SSD can give noticeably better performance on all metrics, especially for small file random IO, which is important for many use cases. Also, for now I don't use a power switch (though later on I might wire one up), nor do I have any kind of indicators (yet). What about a power switch and display / indicator for status? Download Raspbian Buster Lite and burn it to a microSD card. At this point, we have four independent disks, each with one partition spanning the whole volume. It seemed to work in both cases, though I did my actual benchmarks for the HDDs while they were connected through a 600W power supply (overkill, I know!). The first card I tested after completing my initial review was the IO Crest 4-port SATA card pictured with my homegrown Pi NAS setup below: But it's been a long time testing, as I wanted to get a feel for how the Raspberry Pi handled a variety of storage situations, including single hard drives and SSD and RAID arrays built with mdadm. I’ve been wondering about using Pi for a Raid1 with 1 or 2 TB SSDs for storing high value data backups. If you’ve got a lot of files like photos, music, or movies, chances are they are sitting on a hard drive somewhere. If you have more drives, it will continue up the alphabet. These file- and media-serving black boxes can punch a hole in your bank account, particularly the professional versions aimed at businesses. Why not set up a DLNA streaming server or run multiple databases? I'm looking for a new project and this is looking good. That means it should protect against system failures that cause significant downtime, and make sure no data is lost as a result of those failures. First, install the software RAID manager, mdadm: Now instruct mdadm to create the RAID-1 array: Raspbian will now see both physical disks as a single device. Have you been able to test different SATA chipsets? Today I'll show you how to build a rock-solid home/office NAS server using a Mini-ITX motherboard, a dedicated hardware RAID card, and enterprise class SAS hard drives, all in a Mini-ITX NAS case with an 8 drive hot-swap bay. Instead of using the RAID function on these boards, configure each drive in JBOD and use ZFS to create volumes. ZFS is very stable and guarantees you won't lose a 'bit' of data before it tells the system it's done. By Lucy Hattersley, Build a Home Assistant: the light fantastic, Play with colour and mood, or go completely disco with Home Assistant's light controls. The Raspbian version of this has the slightly more friendly name of Samba, but it is not installed by default. This way I can keep the Raspberry Pi's environments relatively light and have an environment I can add onto as I need the additional power. It must also offer availability and resilience for your data. Wanted to place a RPi 4 compute module and IO in a generic 1U rack mounted shallow depth server case and, naturally, that'd require the SATA card to be in a riser rather than standing upright. For the more adventurous user, Docker is an excellent way of making your NAS perform multiple functions without getting into a configuration nightmare. Try three issues for just £5, then pay £25 every six issues. The Raspberry Pi 4 is a big improvement over the RPI 3 on many fronts. Using the powered USB 3.0 hub connected to your Raspberry Pi, plug in all your USB disk drives. Most of these can also be implemented on a Raspberry Pi NAS. NAS can be expensive. With the Raspberry Pi up to date, we can go ahead and install the packages that we will be relying … The one starting ‘mmcblk0’ is the microSD card containing Raspbian. I covered that in the video here: https://youtu.be/oWev1THtA04?t=1096 — but basically it uses ~6W at idle (with drives on), and ~12W max under highest load writing files over the network. Finally, change your password and, under Network Options, change the Hostname (the NAS’s network name) if you wish. I have seen the power supply 12V/2A you use for feeding 4 x Kingston SSD, but not the one for 4 x HDD. There are many different forms, but we’re using one of the simplest: RAID‑1, or mirroring. For each of the drives that were recognized, if you want to use it in a RAID array (which I do), you should add a partition. In your benchmarks did you try to play with raid10 layout options (near, far, ...); I was always wondering how the impact performance for spinning HDD versus SSD. In reply to You only have one PCIe lane… by Markocloud. If you want to create file shares that are private to individual users, just create their own directory on the RAID array: Again, replace username with the user you want. Thoughts on which you’d prefer? I want to replace my old NAS with a low-energy but powerful replacement. Nicola King sees LEDs in a new light, Michael Pick is so excited to show you his tiny homage to Apple’s iconic machine, as David Crookes discovers, Add a super-fast M.2 SATA SSD to Raspberry Pi 4 along with dual full-sized HDMI sockets, a power button and fan cooling. The post mdadm: device or resource busy had the solution—disable udev when creating the volume, for example: You may also want to watch the progress and status of your RAID array while it is being initialized or at any given time, and there are two things you should monitor: And if all else fails, resort to Google :). I bought this model because it is pretty average in terms of performance, but mostly because it was cheap to buy four of them! Raspberry Pi-powered quad NAS with Radxa SATA HAT Radxa has announced the ROCK Pi SATA HAT, a series of SATA expansion targeting at the NAS solution for Raspberry Pi 4 and ROCK Pi 4. Now type ‘w’ (to write the changes to the disk). So what is a NAS, anyway? Unfortunately, after the upgrade, I discovered that iperf benchmark had very little to do with the actual practical performance. Using Samba is one of the simplest ways to build a Raspberry Pi NAS as it is easy to set up and configure. …where ‘username’ is your choice of username. Is it the 1GB, 4GB or 8GB version. Don’t panic. A well-implemented, network-attached storage device is typically a headless device (no keyboard or monitor) providing access to large amounts of data from anywhere on your network. Next I wanted to benchmark a single WD Green 500GB hard drive. (If you get an error that a partition already exists, use ‘d’ to delete it – this will lose any data on the disk!) So there are other IO pressures that the Pi reaches that make RAID for SATA SSDs less of a performance option than for spinning hard drives.

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