Unraid ram drive I went about trying to do this by: 128gb ddr4 3600 non ecc - only because I'm using ram drive for anything "temporary" when I go to zfs on unRAID I'll either have to upgrade to an epyc and do 1tb of mem or grab a 990p optane drive for temp files Apr 19, 2022 · Not possible. Phison E18 controller, BUT, the drive is 100% SLC (essentially the cache in a normal NVME drive) which means 2 things: the speed doesn't drop off as you write more to it like a normal NVME drive and the endurance is measured in the PETAbytes. However, if you are building a system with recent components, you might not even be able to find any compatible 2 GB sticks of RAM. Feb 21, 2014 · This is an SMB transfer reading from a ram drive over gigabit link to ram drive in unRAID write, again same size and different data. And if you just backup the USB, you can reinstall onto a new one and be up and running in minutes if it ever does die. I'm using Softperfect Ramdisk on My unraid server has the ability to be ugraded to 512GB of server ram and i currently farm chia coin on my unraid server for the past 3 weeks messing around with my spare space on the server, but unfortunately the life used % on my cache SSDs have increased by 18% in that period of 3 weeks. It will also show up in Krusader under Jan 4, 2022 · I have once tried out a RamDisk program and installed a VM onto it. If your workload is read-heavy, configure the NVMe drive as cache (L2ARC) to improve read performance. Linux hardware driver support for storage, Ethernet, and USB controllers. This is especially useful when media files are spread across multiple drives, and a media player begins to scan for a particular media file to play. I've been running a Plex server for a few years via Unraid. You can also just define your own "share" pointing directly to it using smb-extra. Hello everyone. zip Mar 4, 2020 · Here is the copy from my server to Unraid: The new server has 64GB of ECC RAM, 256GB cache drive, and all drives are connected to a PERC H310 running in IT / pass through mode. RAM cache has more i/o speed than SSD, and no worries about SSD lifetime. There is very little wear on the USB drive, so most people run it for years off the same stick. Feb 23, 2020 · Unraid is great and I am like many others using my Unraid server for Plex (And of course other things) So I would really like to collect all the tweaks and "Hack" done by others to increase performance of large Media servers doing transcoding First just to get the "normal" recommendation listed: Appdata on cache drive (Fast as possible - SSD/M2) I run Glances via docker and set up notifications from homeassistant+nodered to send to my phone if anything gets wacky e. When I turn on my server, no lights come on indicating that my drives are working. I wanted to use a 1tb nvme ssd as my cache drive. The posted method will load /usr in RAM and reduce these, /lib is still read from the flash drive. Then I swapped the other BX500 for a new WD red too. Thanks! Feb 7, 2018 · It can be as simple as that. cfg You can create an in-memory file system by typing: Mar 17, 2025 · For ease of use I'd recommend staying with the traditional Unraid Array. Parity has since completed with no errors. Feb 8, 2012 · In the same way, you can create a "drive" in memory and create a link to it from a shared drive. i moved across country and when i tried to start it back up, it didn't see any drives. Or, User-defined temp A RAM Disk, is as the Name suggests a portion of your physical RAM inside of your server/PC. Virtual machines can also drive a need for much more RAM/CPU cores depending on the type. 0 motherboard with an AMD FX 8350 with 8gb ram. As the title and short description suggests; I would very much like Lime Technologies to incorporate this as feature in an upcoming beta release. I want to make Plex run faster at the least. Most of my research on this topic brought up hits of Pre-V6 UnRaid, Unraid 6. Feb 14, 2025 · i had my unraid running a couple years ago. When you can write more than 70MB/sec to a RAMdisk on unRAID, then you should start considering a faster cache. unRAID makes very light use of the USB boot drive. Im cautious of going into a production environment with UNRAID on a USB drive. RANT ON: The why: Jan 7, 2015 · For a few weeks now (that I have noticed), RAM usage doesn't seem to purge itself, even after transcoding has ended for many hours/days. May 1, 2020 · This is because there is currently no CPU Scaling Driver Installed. Paste the following: mkdir -p /mnt/ramdisk. 2 SSD cache drives 250gb each 1 parity drive 8tb 5 drives 2tb, 2tb, 2tb, 4tb and 8tb I also had an old ASUS M5A97 LE R2. My unraid server has 32GB of DDR4 in it, of which it barely ever uses more than a third. Ram drives are much faster anyways. Only configure the NVMe drive as a log (ZIL) if you know your workloads require fast synchronous write operations. 4GHz desktop computer with 8GB RAM and 500GB SSD drive in it that I could install my current unRAID NAS's parity and data drives into thus re-purposing it to be the new Unraid NAS. 3 Hi, I´ve added 128GB RAM to my setup, and unRaid sees that it´s 128GB. I've looked at Unraid in the past and got interested in it, but never really 'needed' it. Jan 30, 2024 · Do you think this means that the drive has gone bad or are the errors caused by a problem with my RAM? I have non-ECC DDR4, and recently applied an XMP profile to run it at its native speed (3200MHz). Unraid is small enough that it all runs in RAM. I believe that most distros will also move /tmp to a physical disk if it grows too large compared to your current RAM usage. I recently decided to stop booting from, and writing to, the usb flash drive after two drives has gone bad. Sep 12, 2017 · I'm in the process of setting up my server (e3-1245v3 w/32GB ram). But that's also the drawback. Also is /dev/shm half or all of RAM available? Read mixed ideas about that too. Source was Windows 7 64bit, Phenom 940, 8GB DDR2, RT8111DL, WD Black 750GB and a 3GB ram drive. Parity is building on a new HDD array I'm building right now. And i've read that a ram drive can save a lot of SSD work during certain activities eg torrenting. Here you will find all of my reviews, opinions, and guides surrounding graphics cards, processors, cases, memory, and more. May 14, 2019 · Concerns about USB Boot Drive reliability come up all the time from new users and the general consensus around here (and my personal experience) seems to be that it is just not a big deal for unRAID users. Max. Jan 7, 2015 · It all depends where your /transcode, actually transcodes to disk or to ram. The errors were repaired and the system rebooted fine. Personal experience -- my first UnRAID system (a little refurbished Dell OptiPlex) was killing my USB drives as it turns out (the system, not UnRAID). Für viele sind die Verwendung und die Optionen aber ein Mysterium, zudem kommt es hier im Forum immer wieder zu Missverständnissen, was die einzelnen Optionen denn nun eigentlich bewirken, wie sich 2 days ago · I ran the "Check Filesystem Status" on the cache drive and it found errors, so I ran it in repair mode. I picked the 14500 because it is a re-badged Alder Lake and doesn't suffer from the recent microcode issues, and that expensive W680-ACE motherboard for the ECC RAM support. Jun 14, 2023 · Old Cache drive SSD 1T I added a second drive to the cache pool nvme 2TB Raid1, And let it clone it self. until then, you are just rearranging deck chairs o Mar 1, 2018 · das Hinzufügen eines Cache-Drives zu unRAID hat gewichtige Vorteile denn es steigert u. Thought was doing this way would future proof me for where Unraid will ultimately go with Opting all features of ZFS in the native Unraid algo. Sep 2, 2023 · unRaid 6. I also see the following two issues related to cache: unraid-diagnostics-20200430-2021. My array currently consists of a 20 TB parity with (2) 18 TB array drives both formatted in XFS. The advantage is pretty clear: a container will never run the system into the ground by using all ram, either because it needs it, or a memory leak. 0 binhex-plexpass RAM Transcoding /tmp vs /dev/shm. So for my unRAID server, I'll need a Win10 VM for this function. yesterday, i got around to messing with it, the 2 controller boards for the disks had come out, i pushed them back in and st I am using Intel 10100 w/ Quick Sync RAM transcoding. If that doesn't work (and your using unRAID 6) you create a share that only stores data on disk1 and store your config files there. I run a Win10 VM predominantly used for some statistical analysis apps. I plan to add another HDD in the near future formatted in ZFS for sending snapshot backups from the Cache pool(s). Jan 7, 2015 · Hey everyone, just thought I'd put this up here after reading a syslog by another forum member and realizing a repeating pattern I've seen here where folks decide to let Plex create temporary files for transcoding on an array or cache device instead of in RAM. What happens if the drive fai And your OS is not taking any drive slots or space on your data drives this way. Qnap's test shows it to be OK, but still says the drive status is abnormal and should be replaced. I also now have 64GB RAM so it likely would not matter as much. array size with be ~75TB holding ~1 millions files. 5 1tb ssd. Hopefully I'll be able to go to the M. 8 GiB) I have multiple Dockers (Not been a issue before adding new VM's) My VM's 2 x Windows 10 = 6144 MB = 12G 1 x pfSense = 3072 MB = 3G 1 x Hassio = 2048 MB = 2G 1 x Xpenology = 8192 MB = 8G Total: 25G Docker 38% of 62. My tmpfs-size is set to 16000000000. The logical location in the array is tracked by each drive's serial number. I hope a update comes to undo/fix this, as editing each drives power settings (at least what I understood from the linked topic) does not sound like something i wanna do just for fun. high temps, high CPU usage, ram usage, array/cache usage etc. Now, I also realize that you probably want to know the physical location of each drive, so make a chart of the serial number vs the slot number of the case. I recommend installing two identical (or more depening on the amount of slots) RAM modules to benefit from "Dual Channel" speeds. ) More RAM. I am a really new to this and building a UnRaid system. Jan 7, 2015 · When I had two records going at once, the 2nd would fail as I only had 32 GB RAM. Reboot the unRAID server. This post is a bit of a rant / whinge as an unhappy Unraid customer. 12 /usr and /lib are mounted from the squashfs on the flash drive, so any reads from its contents means reading from the flash drive, that's normal. Jan 2, 2024 · I have not stressed tested how much throughput I get with my setup (not sure the best way to do this on Unraid?)but I should preface, although I am using Samsung 970 EVO Plus drives, which are PCIe 3. Have tried: /dev/shm as host path, and /tmp as container path in the binhex SABnzbd docker, and added /tmp as Temporary download folder in SAB. Which means you would have enough RAM available to store all of your stuff for the containers, have something for everything that is running on your unraid, unraid itself AND have even more to spare when A minimum of 4 GB of RAM for basic NAS functionality. 2. I would appreciate some info or guidance about your SSD-only array (e. Recommended Storage Setup Array (HDDs) -4 x 14TB HDDs (1 as parity) Purpose: Bulk media storage, NAS storage. I've since upgraded to full desktop/server hardware in a server rack case and haven't had a single issue since. Going to run 8 @ 8tb WD red drives and a 1 @ 10tb as a parity drive. The only plugins I intend to use are Bonienl's Dynamix series, Unassigned Devices and Pre-Clear. Two hard disk drives to ensure data protection with a parity disk. You entered /config/transcode and that is an incorrect host path not a container path. Thoughts on whether Unraid will be a better solution for my storage would be appreciated. RAM frequency is not as important as RAM size. So the 57th bit of the parity drive is the parity bit for the 57th bit of all of the data drives. I have read mixed thoughts on this topic and was wanting more thoughts on which is best choice. if you have the tips and tweaks plugin you can easily change the dirty cache ratio (default is 20%) but you can safely pull that back to 5% or so if you have issues. Oct 18, 2019 · The docker image utilization will grow and shrink normally during container updates. All back up and running, a massive drop in writes so hopefully these drives last longer. i didn't mess with it for a couple years. Usable size (47. die Performance der Schreib- und Kopiervorgänge enorm. 15GiB of cache? And how does docker state that all my containers combined take up ~4 GiB of ram when unraid states that it's actually 17. Unraid is pretty forgiving, hardware and setup is pretty easy. Plus, ram drive is ideally suited for transient files, which is what transcoding inherently is. as long as cpu usuage isnt full red i figure i doing ok lol and wanted freenas speeds but love the way unraid works 1 drive ata time adding lol so unraid is for me 🙂 Sep 24, 2020 · 7. I run Glances via docker and set up notifications from homeassistant+nodered to send to my phone if anything gets wacky e. Sep 24, 2020 · However when copying from my unraid nvme cache drive to my windows machine, I'm only getting 300MB/sec transfer speeds. 3 - average 20-30 MB/s, peak reported 40 MB/s* With a cache drive: Unraid 4. Note that the Unraid boot process unpacks Unraid binaries from the archives on the USB drive and then Unraid runs from RAM, and during normal running there are only a small number of accesses to the USB drive relating to configuration information. I tried pathing the vdisk to the cache drive I also tried pathing the libvirt. Nov 5, 2023 · I installed 64 gigs DDR5 RAM to support ZFS, but it seems to be barely using my RAM. Due to UnRAID's use of a parity drive to assure data redundancy, the size of this parity drive must correspond with your tiniest data drive. Yay I finally maxed out my Unraid mobo today: max ram capacity, best CPU it can handle, every SATA port used, every PCIe lane Sep 9, 2019 · My home network mostly runs on 10Gbit ethernet cables, of which the unraid is even connected to 2 NICs using aggregation of the 2. Default settings the VMs are created with cause CPU to be busy with interrupts contstantly. File System: XFS (recommended for single drives in unRAID). g. Dec 24, 2018 · Does anyone have experience with using Intel Optane as a cache drive with Unraid? I'm switching my home server over to Unraid next week since I'm tired of ZFS eating all of my RAM when I'm trying to run VMs and don't feel like setting everything up manually under Linux. Since unRAID runs from RAM most of the reading occurs at boot, and writes happen very Mar 12, 2025 · I am just not sure if I need the Archive RAM feature of ZFS in the Unraid Array setup of ZFS. Install on Mirror Raid. All the ram seems fine. Seek assistance on the unRaid forums with this issue. Jan 7, 2015 · #Limit PLEX Transcode RAM Drive Size mkdir /tmp/PlexRamScratch chmod -R 777 /tmp/PlexRamScratch mount -t tmpfs -o size=32g tmpfs /tmp/PlexRamScratch I do not have any extra parameters. I haven't tested this approach myself, but I'm hesitant to use SSDs for cache due to their limited write endurance, and I worry about premature failures. I had unraid running on an old ASUS M5A97 R2. 3 with 32GB RAM on Unraid-Nvidia to support transcoding with a P2000. Mar 28, 2017 · Hey Unradiers,. Because the assembly process requires 2 writes, and I'm writing a lot of data to the drive each month, an SSD could be dead in about a year, according to the specs. Mar 7, 2010 · More to the point, why marginally optomize cache drive speed when your LAN is the bottleneck? Throw 4GB in a server and set up a large RAMdisk, and test your writes to the RAMdisk. Unraid works differently, and depending on what you require from your Unraid machine; it can do everything you want it to with minimal RAM. Feb 27, 2016 · Another option for me is that I have an i3-3. I took these plots on the hardware below back on 5. Oct 15, 2009 · As a result, since the physical disk is not accessed, linux will (after the defined time-out delay) let the physical drives spin down, and save on power costs, plus remove the drives as heat sources. 8 GiB? Nov 6, 2022 · ah welcome! If you are looking for a rabbit hole, Unraid and media is a great one to fall into 😀. All I had to do was "Select Disk X", X being whatever number the disk is. 5. Certain add-ons, such as torrents and virtual machines, will run much quicker with more RAM. So that brings here here this evening. Aug 24, 2024 · As title suggest, I'm having a really annoying issue where I cannot get my Windows to Unraid transfers via SMB above 300MB/s using an NVME cache and NVME drive on Windows. If these errors are a sign that the drive is dying then I will replace it. If it needs more than 50% ram (can't think of a reason unless you have a very low amount of ram to begin with, but there probably are) it won't work. Jun 19, 2012 · Hi there. My main interest in trying to get SSDs to work was this: avoiding mechanical head contention on hard drives if two different files are being read from the same drive at on Yay I finally maxed out my Unraid mobo today: max ram capacity, best CPU it can handle, every SATA port used, every PCIe lane in use upvotes · comments r/Proxmox Jan 7, 2015 · The main benefit to a RAM drive is its increased read and write speeds compared to an SSD or hard drive. It is important to note that unraid is a paid license after the 30 day free trial, and two 14 day extensions. Sep 9, 2023 · Usable Storage = (Smallest Drive Size) * (Number of Drives - 1) In this formula: Smallest Drive Size: The size of the minutest hard drive in your UnRAID array. I thought I'd start by trying 1/2 of available RAM. While Plex has been serviceable for me during that time, I suffered all sorts of random performance issues where libraries were slow to load, recommended tabs would randomly time out or take 30-45 seconds to load, going into tv shows would take 5+ seconds or more to show episode thumbnails, movie collections would take forever to open Jan 21, 2025 · Use the NVMe drive as a special device to offload metadata and small files, especially if you manage a lot of smaller files. Dec 3, 2015 · on more thought of having a fast (ssd based) cache drive is: transcoding. May 4, 2023 · As @itimpi said, unraid runs from RAM, so usage of usb drive is minimal. 2 zfs pool with a couple of NVMe caches without a reel Array, since Aug 27, 2024 · So I had a "Hot spare" already assigned to the pool when the drive failed. I am however using the Intel IGPU not Nvidia. Jun 14, 2015 · Assuming the Unassigned Devices plugin will allow you to mount a flash drive then yes it should be no problem to store the config files on the flash drive. Nov 28, 2017 · in this case would mnt/user count as a possible Ram Drive directory if one chooses too ? /mnt/user is the user shares. Unless, if you are mirroring logs to usb or explicitly have something writing into /boot, so be aware of these unusual wear scenarios As for why, unraid uses the boot drives hardware UUID to pair your licence to, and that is something provided by most USB drives Jul 24, 2023 · Harnessing the Power of ZFS on Unraid. 8G = 24G Left = 13G The Load: TOP: Transcode to the NVME, just use the RIGHT NVME drive. I currently have 2 older SSDs that one is a cache drive that my appdata folder sits on as well as my Downloads folder. Maybe that was too stressful for the RAM? Previously I ran it at 2133MHz for stability. Aug 5, 2021 · Many questions are asked as to which is the best hardware to go with for Unraid. Unraid runs entirely off of a USB thumb drive, residing in RAM after booting and only writing system changes to the USB. Aug 3, 2022 · General UnRAID/Linux/ZFS related: SR-IOV on UnRAID - The first guide I created specifically for UnRAID, posted directly to the forum as opposed to in github. Dec 7, 2020 · Certain operating systems for network-attached storage, for example, TrueNAS CORE, require a lot of RAM for smooth operation. This script syncs every 30 minutes the RAM content to your SSD to reduce loss of log files. img location but nothing see Apr 5, 2022 · Hard drives, cables and memory both check good and my assumption is that it's an issue with my current hardware. Read Cache for Downloads Jan 31, 2023 · Thanks to everyone who have responded to my questions so far! Thank you, gyto6 for your input. Dec 14, 2023 · I set the one drive that has been throwing errors to no spin down to test this out. For example, if you use plex you could put the transcodes into the RAM as well, the larger the files the more RAM it will need. 3 - average 50-60 MB/s, peak reported 101 MB/s* So generally speaking, a server with a cache drive has write speeds 2-3x faster than the same server without a cache drive. The cache drive is a 6yo Samsung EVO 870 1TB SSD. Then use the command "Clean". See full list on docs. This means that it has limited storage space in its file system. No KSM enabled by default = much less ram is free/available to other services when running 2+ windows VMs at the same time. The ZFS pool drive replacement was a doddle, resilvered the new drive in 30 minutes. There seems to be some information on how to do this, but I could not find any method that was simple, clean, persistent and "set-and-forget". I had planned on using some of it for downloads with SABnzbd. Jan 7, 2015 · 4 - At the moment buy Intel SSD's - The price for an Intel branded enterprise 1TB drive rated at 1 drive write per day for 5 years (the warranty is 5 years) is about the same as a Samsung good 1TB consumer drive which doesn't have the IOPS or endurance. For unRAID, I'm pretty sure it is stored in RAM, but I figure it's worth being clear that it's not always the case in Linux and can be on a physical disk. Feb 3, 2016 · I'm trying to optimize my N40L server for a large WORM media storage array. The only way I have found to clear the RAM is to restart the Plex container. I assume the other 0. 0 x4, cause my board is an X470 motherboard with only 2 NVMe slots -- I think because I have 2 of the PCIe slots occupied (GPU & HBA controller Dec 3, 2015 · on more thought of having a fast (ssd based) cache drive is: transcoding. I just upgraded my UnRaid server Motherboard to a Gigabyte Z690 AERO D. But the board came with 128gb of ram and I currently don’t use more than 5%-10% of that. Oddly enough, RAM usage will always creep up to roughly 50% of that amount. Thanks! Nov 2, 2023 · Hi, new here. Feb 23, 2020 · Unraid is great and I am like many others using my Unraid server for Plex (And of course other things) So I would really like to collect all the tweaks and "Hack" done by others to increase performance of large Media servers doing transcoding First just to get the "normal" recommendation listed: Appdata on cache drive (Fast as possible - SSD/M2) Jan 10, 2025 · I recently switched my motherboard, cpu, and ram from an x99 system to a 5800x on a X570 AORUS ELITE. System is running fine and I think cpu wise I use what I have, with a bit room to grow. However, last week my Qnap TS-212 lit a red LED for it's 2nd drive. net Mount your Flash drive/share; Open the Go file (inside the Config folder) using a text editor. Will the cache drive work for this build or I’m I better off using a 2. Upon the first array start, when the plugin is installed, it will move the docker status and log files into your RAM. 1GiB) is the amount of RAM available to use. Any folder created there will create a user share, and Unraid will choose a disk for it on the array since it will have default settings. Mar 6, 2023 · Hi all, Since more hardwares support big memory now (64GB, 128GB or above), the feature of RAM cache (disk) becomes practical. RAM = system memory usage of his 16GB Log = amount of disk space used of the max allowed for unraid logs Flash = Unraid USB stick space usage Docker = how much of the docker. Oct 28, 2013 · Using RAM and a (spinning) hard drive is is faster (the RAM part at least) and not really limited when it comes to writes (the hard drive). . Recently noticed that hard drive temps are jumping up into the mid-high 40C range during transfers. In fact, you don't have to worry about the location of the physical drives. Jan 7, 2015 · This could be a problem. In my case, the appdata of my containers is 24GB. 0) Windows VM (Win10 1703 +) high CPU usage when idle. there are only two viable options for plex to have a temporary space doing it's magic: ram or -single zfs formatted drives in the unraid array works just like xfs drives, parity work as normal etc, but you can use snapshots, compression, ram-cache (arc-cache), zfs-send (basically copy an entire disk or share/dataset to another zfs drive, even on another server), scrub to check for errors etc. The same goes with Transcoding files through other applications outside of plex so, for example, transcoding your media files into H265 before Oct 27, 2024 · Main array storage is 10 x 10TB Seagate Exos drives, and would be moved over from my current build. Thanks for the feed back in advance. Why should I move transcoding into R You might be able to setup some sort of RAM drive to use as a cache, but I wouldn’t think that is something that is officially supported by unraid, so it might be a little tricky to setup and have working nicely with unraid. Additional requirements apply when adding applications or virtual machines. Jan 24, 2025 · Since 6. The new cpu, board, and ram was previously in my gaming pc and worked fine with no crashes running windows 11. 2 Gigs now. It was quite usable and file transfer speeds were very fast since it is obviously stored on RAM. Dec 5, 2022 · My current issue is unraid is not recognizing any of my hard drives. This feature can be either Accelerating unraid JBOD arrays by RAM caching. Been looking to upgrade them for a bit anyway. :- TRANS_DIR=/transcode /transcode Apr 2, 2025 · I'm thinking that creating an additional drive within my UNRAID server using RAM could potentially replace the cache drive used for temporary data during copying. So there should be 6 good drives in the pool right now, and no hot spare. Here is the build of my server: It's a Norcos 16 bay server case Jul 2, 2012 · Avoid filling drives >99%. First we need to get our installation media and boot drive ready. I built my box with 4Gigs of RAM - and now I'm starting to do more and more with the system and my / is starting to get larger and larger - 1. Jun 15, 2020 · Running 6. Pretty self explanatory. I also have 64GB RAM on my server but have limited transcoding to using 16GB RAM. , Unraid version, drive sizes, cache drive?, and how you set it up--thanks in advance if you reply). Jul 26, 2010 · To Cache drive or not to Cache Drive On an unRAID server with add-ons, more RAM can be very beneficial. Edited January 24 Jan 24 by Kilrah Feb 21, 2024 · It is actually installed to a RAM 'disk' rather than on a physical drive (ssd or hd). a. 3 times faster As others have said that you don't really need that much RAM to run unRAID. I am quite shocked to see that you can bring it lower than an xfs cache. More RAM means more caching and as RAM is even faster than the fastest SSDs, this adds additional boost to your SMB transfers. On my current home server (just a windows box) I run Blue Iris connected to some POE security cameras. 5 times faster than the built-in SSD and read speeds were 6. 2 SSD cache drives I was planning on in the future. I sol Jan 17, 2025 · The Plugin aims to reduce the (write-) wear on your SSD(s) by incorporating the script(s) from @mgutt. In order to increase performance, I'm looking to feed it with: - a RAID0 NVME pair using two NVME drives I have spare - a large RAM disk (my server has 128GB). Jul 3, 2021 · I then went on to replace the dying drive and this time bought 2 x 1tb western digital red drives. 12. Windows (5950x) 32gig - Unraid machine has 1800x with 32gig ram Drive on unraid is a pair of NVME 970 evo mirrored in ZFS. Oct 31, 2024 · Hello! Running newest version of unraid. Nov 15, 2018 · If you specify /tmp or some other path outside of the array, it will be created in RAM as unRAID loads in RAM on boot. But, no matter what I do SAB only sees 7GB. My original RAM is DDR3 1333 Unbiffered ram Dec 7, 2020 · When not using Unraid as an application server or virtualization host, the RAM is solely used to load the Unraid operating system from the USB drive at boot. In that case, two videos have been created for a step-by-step guide through upgrading your Unraid cache pool to either a larger drive or just reformatting the one you have to a ZFS file system - all without losing a single byte of data! Jan 7, 2015 · Q1. This parity bit works across the set of bits in the same relative bit position on each drive. unraid. Running a home assistant VM, Jellyfin and *arr stack, paperless ngx and adguard home on unraid right now. Here's what I did. I figured it would re-silver and be all set. The HDHomeRun change was to enable time-shifting while recording. probably you will run into the situation, that plex needs to transcode content for a device, which can't use the direct playback option (raw cpu power, codecs, audio, etc. I use one of the below drives from Digitalspaceport. All filesystems can run into fragmentation and resulting performance problems when drives fill all the way up. So that Linux (or Docker) apps that are not aware of the this may be storing 'user' data on this RAM 'disk' thinking that is actually writing to a physical disk! First we need to get our installation media and boot drive ready. My general advice is to use whatever RAM you have laying around. At this stage i'm just wanting to set up ram drives on my Win10 HTPC and my unRaid server to check out network transfer speeds of my 10gb cards, (and keep hdd speeds out of the equation). Im curious on the topic of installing it on a SSD rather than a USB drive, For a couple of reasons 1. NOTE: Not all hardware that claims support for this has been proven to work effectively, so see the "tested hardware" section for known working component combinations. 0 with an ASUS FX 8350 with 16gb ram hooked Jun 7, 2023 · and i appreciate you helping me so far. I am building it primarily as a Plex Sever. 0-rc10 and the cache drive was an Intel X25-V SSD 40GB. I have a couple of questions: 1) How many cores and how much m Mar 1, 2018 · das Hinzufügen eines Cache-Drives zu unRAID hat gewichtige Vorteile denn es steigert u. Dec 7, 2022 · Note that using a cache drive can be a benefit here not just because files are written there first and cache drives are usually SSD/M2/NVMe but when the mover runs it can efficiently move data off the cache to the drives in the background without holding you up. Paste the following script in your /boot/config/go File on your usb flash drive or create a script with the user Ram drive is considerably faster than even a current good nvme drive. I used to have mine set up this way but without limiting transcoding RAM in some way, tmp will eventually fill up all available RAM completely especially if there are multiple transcoding sessions going on simultaneously. Oct 21, 2018 · Thanks for the response. any new disk setup pools. I agree that having some extra ram around is necessary, but if you can swing it, transcoding to a ramdisk has no downsides. Suppose you have decided you want to use ZFS on your Unraid server. Per the Unraid notes, ZFS is only allocated 1/8 or your RAM. Yay I finally maxed out my Unraid mobo today: max ram capacity, best CPU it can handle, every SATA port used, every PCIe lane in use upvotes · comments r/MiyooMini Jan 22, 2023 · (IMPLEMENTED IN UNRAID 7. Save the Go file. Oct 23, 2017 · Hi, Long time reader, first time poster. Users have noted going from 10's of MB/s up to 700MB/s when moving from default VM virtual NIC's over to SR-IOV NICs (see the thread for details In Unraid, the parity bits are stored on a parity drive independent of the data drives. I am about to get my hands on QTY 3 of 2 TB Samsung NVME drives. Apr 7, 2019 · Shut down the array, pulled the 2TB drive out, connected the other cache drive to it's SATA port, booted up, assigned the second cache drive and started the array and everything is back to where it was before. Ive turned all offloading OFF on windows and unraid machine Buffer is at 4096, MTU 9014 on both sides. Since / is a RAM drive, this is valuable ram that my service can't use - correct? So I'm thinking of upgrading my system to 8GB of ram. Jan 17, 2017 · I have a setup where if I don't boot to my unraid USB it boots from my primary NVMe drive right into windows with my 2nd video card disabled for power saving, if I restart and boot from my unraid USB it starts up two windows VMs one of which is literally the exact same NVMe drive I run windows off without virtualization. NOPE it choke the ram on a 720p tv show, move it back to the disk and the show played with no issues. Jul 3, 2021 · Thanks for all your hard work here TexasUnraid. * A backup of the logs will be sync'd, to your appdata location every 30 minu Aug 31, 2018 · Question. Since I never watch a recording in progress, I saw no need to use that much RAM. Running our own quick benchmark test using XBench on a Macbook Air showed that write speeds for a RAM drive were an average of 4. Bought a used supermicro mainboard with cpu and ram. Here are some general recommendations on how much RAM should be allocated per virtual Jan 7, 2015 · By this method Plex never uses more than 4GB RAM, which is important, as fully utilizing your RAM can cause an unexpected server behaviour. It's a Qnap TS-212 with 2 Feb 7, 2018 · It can be as simple as that. No speed benefit as far as I can tell as its Mar 14, 2024 · I'm new to Unraid and I've been watching Spaceinvader One tutorials on YouTube to get my initial Unraid setup completed. Afterwards I tried to enable docker and VMs only to find neither of them would work. full CPU/Mobo/RAM change). . I previously had 2xSSD in cache BTFRS that I discovered the horrendous excessive writing bug and broke them up into 1 cache drive and 1 drive in the array, both formatted as XFS. I am actually hoping the newer version of Unraid will allow more of the native ZFS pool features. My server really is only a NAS, so I want to give ZFS as much RAM as I can. Oct 11, 2020 · Hi All I have 64 Gigs of RAM (Useable 62. Thumb Drives don't have great life span. Dec 30, 2022 · The ability to boot the Unraid Operating System off of PCIE / NVME or SATA / SSD drive instead of a USB key. However I get this usage: And then these stats: However on docker itself I have this: So basically the first question is what is using up 47. Oct 14, 2023 · I think I can make a good comparison, since I am using 2 x qnap NAS one is TS473A with 32GB ram and 2 x NVME plus 4 x 4TB SSDs and the second one is only a 2 Bay 8GB ram 2 x 12 TB hdd, at the same time as a main home server I am using an Unraid with 3900x AMD 64GB ram 4 x 8TB U. 8. How do i configure Plex to transcode to RAM/Array/Cache? A1. This is all i had to do to get it running Step 1: In the container, I created a path from the RAM to /transcode, so the location transcodes occur in are in the system ram shared with the unRaid OS. This issue has been going on for quite awhile now and across multiple hardware changes (incl. Grafana is a lot of fun, but the novelty wears off quickly and I really just need to know about certain events at the right time- not see a years worth of CPU usage on a pretty graph. Of course, each Unraid build has different requirements, so my goal is to be as precise as possible in all the following articles. Mar 17, 2025 · I finally gave up on trying to make SSDs play well with Unraid. But after several days the docker service crashed again. This clears the drive completely. Jul 18, 2023 · Hi. I ran a memtest and it shows all 128GB installed (and I don't think unraid would run without RAM). Just not sure why only 1 drive is acting up out of 7 of those same drives Mar 8, 2023 · To reduce wear on your SSD this script moves your docker status and log files into your RAM. as i wouldnt know what was hogging stuff. While the ramdisk will not show up under the Shares tab, it will show up as a share when you connect to your unRAID server. Cache Pool (Fast NVMe for Writes & Performance) -2TB NVMe (Primary cache drive) Oct 7, 2018 · With Unraid, mapping a path, "EMBYTMP", whatever, to /tmp in the Docker container settings then configuring Emby to use "EMBYTMP" (or whatever you called it) works fine, but you really need to be ram-rich to do this. But it depends on what you want to do with that RAM. I have 16GIGs of ram and following Jonp guide that once transcode would eat up about 430MB or so, I thought even if it doubles or triples i have enough ram. If you don't want the warnings, either expand the image so the temporary growth during updates doesn't pass the warning level, or change the warning level up a couple points until you don't get it during normal updates. And, by the way, you did not specify the proper container path in the Plex transcoder setup. In my opinion the 1TB nvme is going to be plenty for a cache drive as you get comfortable with Unraid. I just converted my desktop over to unraid over the weekend which has a cache pool and immediately jumped over to check if this was fixed, I will duck down the rabbit hole maybe in the coming evenings and see if I can replicate what you have done here. Thank you for this, it seems to work in a quick test with 6 transcodes (3 4k and 3 1080p), will leave it this way for a while and see if everything keeps running smoothly the part of ram used for general write caching is called the "dirty cache" by default it is limited to only a small portion of ram, it shouldn't fill up your memory at all. Below are the different options for setting transcoding for Plex and Plex Pass:- Transcode to RAM - create a new volume mapping, host path /tmp and container path /transcode then define TRANS_DIR so that it points at ram drive e. ). Jan 19, 2024 · I cant say that this will work for every flash drive, but I was just able to convert a new Verbatim 16GB USB2 drive that I took a chance on (it came as MBR) using Diskpart in windows 11, run as administrator. During initial setup my parity drive was delivering 150-200MB/s write speed. While Plex has been serviceable for me during that time, I suffered all sorts of random performance issues where libraries were slow to load, recommended tabs would randomly time out or take 30-45 seconds to load, going into tv shows would take 5+ seconds or more to show episode thumbnails, movie collections would take forever to open Dec 18, 2022 · I build this unraid some days ago, first i have more drives than I ever need in near future so I had to decide if i rather use 50/50 14 and 16tb or load all 14tb except parity and when they eventually die swap them with 16. When the system didn't automatically swap out the faulted drive for the spare, I just removed the spare, and added it as the 6th drive in the pool. With ReiserFS in unRAID, it can result in extremely slow write speeds and/or 10 to 30 second pauses where the drive and network share becomes unavailable (and can cause a windows machine trying to write a file to become somewhat unresponsive during that period). Without a cache drive: Unraid 4. Here are some general recommendations on how much RAM should be allocated per virtual the part of ram used for general write caching is called the "dirty cache" by default it is limited to only a small portion of ram, it shouldn't fill up your memory at all. img or docker folder disk space is used up. 9GiB is what is being used to run the UnRaid OS Utilization and RAM (17%) is the percent of the RAM being used by the system Flash: The percent of the Flash drive being used Jan 8, 2025 · I've installed 64GiB of RAM on my unraid server. wxssk ymxp lvjl icwtje eqe bkg vilpx egfaymd uhn ffus