Unraid ram drive. I bought the following RAM G.
Unraid ram drive Motherboard: ASUS M4A785-M CPU: AMD Sempron 2. 5tb green 4 - 1tb I know from reading I should use one of the 3tb for parity but should I use a 3tb for cache or the 1tb ? It seems like it would be a waste to use a large drive for cache, or should it be hanging around in case the parity drive fails? Unraid OS is loaded into RAM at boot so if you use USB 3. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, unRAID Server runs entirely Just a quick question. Normally with everything running the dashboard shows between 60% and 70% memory used. I bought the following RAM G. With the speeds of modern SSDs, and the typical uses of UnRAID, I don't see any advantage to even bothering with a RAM Disk vs. While I winced at spending $139 on an 8 GB flash drive in 2023, it's easier to accept if you consider it an "industrial boot drive", and not something used occasionally to share Linux distros with friends. The Unraid boot menu includes a version of memtest for testing RAM. I run a Win10 VM predominantly used for some statistical analysis apps. I have a few dockers taking shape and trying to get VM's to take shape. And they are $75 for a 320GB Gen4 Had to tape pins B5 and B6 on the card itself so my PC would boot. When you state, "After a few hours my cache drive kept filling up", what does that exactly mean? Search for plex unraid ram drive. I am suspecting it is toast, as it is also quite hot to the touch. Also, your first post says "This guide" => but there's We don't need no stinkin' cache drives. When you run out of memory you get Out Of Memory errors and processes are killed, which is Isn't /tmp of unraid already in RAM? So wouldn't setting /transcode in container to /tmp in unraid already have Plex use RAM for transcoding? Quote; mgutt. I had some share settings set to Use Cache: Prefer or Only. View the Docker tab in your unRAID Administrator , click on "Add Container" Under "Select a template", pick "my-DiskSpeed" This docker will use up to With the speeds of modern SSDs, and the typical uses of UnRAID, I don't see any advantage to even bothering with a RAM Disk vs. I picked up one of the Samsungs he tested for my Unraid server. running the server actually from the usb constantly is not recommended at all, if you still do so anyway then you should atleast move the entire os into ram or such, and save files on another drive, since if there is a poweroutage usb devices are likely to completely corrupt, microsd devices are even worse with a almost 100% chance of completely bricking themselves if they where I am assuming this is related to the file system the drive is formatted with, but I can't seem to find this information anywhere. 8 If I use this for the container mapping: I have 16G of RAM and unRaid is using 15G as cache, is that normal? (I did an extensive search for certain file types yesterday and found over 6,000 matches, but wouldn't any cache be cleared by now?) 2. The config also has 1TB NVMe cache drive, 64gb ram. a high-speed cache drive. 3. tv <-- Click that link to launch the calculator. 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. I like this way of doing it because it allows you to control the size of the RAM drive, not use half of it like another method describes. but I actually noticed a significant performance decrease going from letting it use This. 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. 128GB of DDR5 RAM ASUS ProArt Z790-CREATOR WIFI 8 WD Red HDDs that will form the primary storage pool, ranging from 8TB - 20TB sized disks Should I have these With 6. Also, why do they limit the installation of unRAID to only a USB Skip to main content. 6 with 6 VMs and 4 running Dockers. The Unraid install is tiny- there's no need to consume an entire drive just for it. I'd built the cache with two 2tb 7. Recent version of unRAID remember drive assignments by the drive's serial number but that change was only implemented a few years I got rid of my QNAP raid 10 setup with 8 drives and now have 5 12TB and 4 6TB drives with a total of 60TB of available storage and 2 12TB parity drives. My original RAM is DDR3 1333 Unbiffered ram This past weekend I upgraded the motherboard/cpu and ram. Docker folder basically means you'll use a folder on a drive and max space is equivalent to that drive. Right now a transfer from my Unraid to my new PC build with an NVMe drive I Is there a recommended method of provisioning drives in an unRAID server to optimize the performance of the system? In other words, I'm trying to work out things like: * Should one try to provision the same model drives in the array? * How much does the onboard drive cache matter in an array? 16 GB DDR3 RAM (Dual Channel Mode) - non-ECC MSI I have 24GB of RAM, and according to the unRAID dash I'm currently using only 34% of that. 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. Edited April 29, 2023 by JackSafari. I currently have ~40TB on a Synology DS1815+ and have been extremely interested in unRAID ever since I heard about it. 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. Can i increas the rootfs drive/folde to the normal 8G again somehow whitout wiping out my whole os ? I have Removed the Swapspace and the Plugin via console. Quote; 3 weeks later Trunkton. And the pont is to enable the win10 VM (or maybe 7 to I am building a new unRAID server and I am wondering if it would be possible to use two hard drives in RAID 0 as the parity drive? Specifically, the server will first be populated with 5x 4TB 5400 RPM data drives and 6x 3TB 5400 RPM data drives. 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. 0 stick, all you will save is about 10 seconds of boot time and that's about it. I switched to a new flash drive, and I was able to boot using the 4 ram sticks. If you are thinking of VMs and dockers, then those are often installed on cache. Reading from array over Gbit Writing to array over Gbit Prior to beefing up my server and unRAID moving to x64, my high watermark for writing to the parity protected array was ~35MB/s. Running 2VMs that uses 3GB ram each, crashplan backup, and tried 3plex streams, one to pc, one to iPad and last to htc phone. Installing and setting up plugins or apps (dockers) is about as easy as it gets. Plan ahead for any containers or VMs you want to add to your Unraid server, consider the hardware requirements for each one. But I also experienced that unRaid does not move files to reflect changed settings, so maybe you have to manually delete empty dirs. 7 hours ago, IMTheNachoMan said: Isn't /tmp of unraid already in RAM? So my only solution would be to upgrade my memory to Two hard disk drives to ensure data protection with a parity disk. 11. TryHardEggplant • The unRAID log file lives in RAM in a predefined tmpfs at boot (default 128MB). This shared RAM disk defaults to half of the total system memory, which should usually be more than enough for a few Plex transcodes. What's the proper way to do this? I've tried a few ways but none seem to work. mgutt. There is no need to transcode to RAM anymore and hasn't been a need for years. Jump to content. img or docker folder disk space is used up. During some heavy activity such as Plex transcoding, the memory usage on the dashboard jums up, and then keeps increasing. A few years ago I set up a streaming/automation server with 3 dockers (plex/jellyfin/telegraf) and 1 vm (home assistant). Since I never watch a recording in progress, I saw no need to use that much RAM. Share Sort by: Best. Due to UnRAID's use of a parity drive to assure data redundancy, the size of this parity drive must correspond with your tiniest Copying a 25GB file to the ram drive and then copying that file to each of my drives. yesterday when i finally got the time to play with my unRAID server i saw it behaving weird, and over the last 24+ hours it has been reformatted, had new usb drive installed and so on and still - very unstable and weird behavior. 16GB Ram 4 X 10 Tb Seagate drives. You can increase the size of it at boot if you ever run into size issues. The license is tied to the GUID of the USB flash drive. Notes About Preclearing Why Preclear?: Preclearing ensures the drive has no issues (bad sectors) before adding it to the array. The best way to ensure you dont have a drive that will fail within the first days is either a full format, sector by sector, or, in case of UnRaid, the pre-clear. I have the unassigned devices plugin. A plugin for advanced users installing SnapRAID onto UNRAID systems. I took them out of the array, added them back and rebuilt them and all was fine until the next drive drive went disabled. 1. I recently decided to stop booting from, and writing to, the usb flash drive after two drives has gone bad. RAID0. 1. Initially after doing that unRaid noticed all the SAS drives but parity sync was around 10 MB/s. 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. Product; Pricing; 48GB of RAM, so the REAL write speed likely hasn't improved at all => just the perception of a Pool setup is 5x4TB drives raidz1 and I have 64 gigs of RAM in the machine. Identify memory problems in situations where a restart is not (immediately) possible or just stress test your RAM. Recently did some server upgrades and increased my RAM to 256GB and I want to start transcoding to RAM instead of my SSD. Only when you make changes to your configuration like the drive assignment or add a docker container then those changes will be written to the USB drive for the next time you boot. Not space on your drive, space in your Docker image files. I am looking to either add a 2nd new matching WD Black Gaming 6TB drive or add a 2nd 6TB WD Red NAS drive. Since 10tb drives seem to be a unicorn now, if I want to start replacing the 4tb drives, I either go to 8tb for a direct replacement, or go to 12/14/ but have to replace at least 1 of the parity drives first. As for a fix for your recordings. r/unRAID. 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. Transcoding to RAM is a waste of RAM, which was in turn a waste of your money to buy more RAM than you needed. When If this were just one drive giving you problems, I'd say it was the drive. I believe that is the one space invader said to avoid. Yay I finally Jan 31 17:46:20 Unraid kernel: nvme nvme0: controller is down; will reset: CSTS=0xffffffff, PCI_STATUS=0x10 Jan 31 17:46:20 Unraid kernel: nvme 0000:06:00. This version will only work if booting in Legacy mode. Like if unRAID struggles to use all 12 of those cores or whatnot. So yes, you should update the RAM DIsk code with your own checksums. Plex is a pretty standard This should show zeroes if the drive was cleared. Is the Hardware (CPU/RAM) sufficient for running Unraid? Unraid is small enough that it all runs in RAM. I went about trying to do this by: - Shutting down server and putting Today I found my 2TB HDD I use as intake for downloads is readonly, folders are there but most are empty, and the disk usage remains as it should be. right before a drive drops out i will hear clicking but it is not always the same drives, the drive failures change randomly currently its drive 3&4 (4 disabled, 3 dropped out), 2 days ago it was 1&2 (2 dropped out and 1 disabled), and before that it was 2&4 (2 disbaled and 4 dropped out) theres no real pattern to it You'd get rid of unraid and just use Windows server. . I have a 100TB array with 15 dockers In order to increase performance, I'm looking to feed it with: - a large RAM disk (my server has 128GB). Flash: The percent of the Flash drive being used Log: I assume there is a max size that the log file can be, this would be the percent used. This have worked ‘well’ for a while, but for at least the past year I’ve been fighting a BTRFS cache pool corruption problem It's not difficult, but there are a few steps that involve editing a file on the unRAID USB boot drive, restarting the server, then re-mapping the transcode folder to the RAM disk in Plex container settings. 0, Unraid 6. They have proven to have significantly longer endurance than even the manufacturer ratings in most cases, and even with the added writes of Long time stalker here, just got registered. I noticed the memory allocation looked like this: From what I understand ZFS uses cache both for writes to then dump into the pool and for reads. unraid. CPU: AMD Ryzen 9 3950X 3. SKILL Sniper Series 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 2133 (PC3 17000) Desktop Memory Model F3-17000CL11D-8GBSR. 9 and haven’t had to touch it on 6. W As the title suggests, I'm in the final stages of planning my first unRAID server. 4 turbo up to 3. Wouldn’t you need a script though? Since it's a ram drive, everything in /dev/shm gets wiped on reboot, so you need to create the /dev/shm/snapfifo directory every time you reboot with a user script. Here is to more great years of Plex Hi. Sort by: Best. 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". Q1. 4G out of 3. Checking with netdata, the ZFS ARC Size is set to 7. Those archives are unpacked fresh into RAM at each boot, and the OS runs completely in RAM. 2 Gigs now. Lots of ram to increase performance of zfs. 8. Subscribe. Members; 60 Posted May 7, 2022 (edited) Found @Olivilo, Understand that Unraid is different than most Linux installations. Post upgrade, I attempted to move around the two P31 drives, slots #2 & #4, slots #3 & #4, slots #2 & #3, regardless one or the other would not be seen by Unraid (using 6. I guess i mean, there are 48 drive trays all numbered in the front of the tray, is there a way to label to drives to relate to that number, or Go to unRAID r/unRAID • by This creates a RAM drive natively within the Plex container instead of sharing one from your host. " - @SpaceInvaderOne This guest blog by Ed Rawlings walks you through 3 potential Unraid storage setups to help you determine the optimal location for your media files on The increased RAM and CPU resources that ZFS demands could impact the performance of other server applications, making it less suitable for resource-limited servers. I think you should just continue with the 2. (Excess RAM is used a RAM cache until it is Hey guys, I recentyl bought a second hand server with following hardware Supermicro x7dbe 2x Intel xeon E5405 2Gb of ram 22 1tb hitachi drives I actully bought it for the superchassis CSE-846 it came in and thought i could mabye temperarily salvage the hardware. Since then I have been having drives randomly going disabled on me. 9 16 GB of Kingston DDR3 1600Mhz 256 WD Black NVME Cache Drive 3 x WD Red's 3 TB HD Main array 1 X WD Blue 650 GB Unassigned HD for Linux VM Ok, appears the usb boot stick is non-responsive when I plug it into another workstation. The HDHomeRun change was to enable time-shifting while recording. NiklasOl • • Edited I need some reassurance regarding how Unraid handles ram. Alas the age of my motherboard/CPU/RAM already impact my day to day usage as they only support PCIe 2. 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 Certain operating systems for network-attached storage, for example, TrueNAS CORE, require a lot of RAM for smooth operation. Go to unRAID r/unRAID. 2k SAS drives as a pool, which is entirely too slow I'm also finding I don't really need 2tb of cache space. It was quite usable and file transfer speeds were very fast since it is obviously stored on RAM. To replace a data drive with a larger one, that is even larger than the Parity drive. 7. Is there or does someone have a cache and memory sizing guide or some real world experience for Unraid servers. Join the conversation. Its working for me on unRaid 6. 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. You can set Plex to use that folder for transcoding and then you don't get any high writes on your HDDs or SSDs. RAM issues can be elusive to track down and cause unpredictable errors. Unraid is pretty forgiving, hardware and setup is pretty easy. This article guides you through the different options and tells you, what to look out for. The disadvantage that a RAM Disk has is how the RAM handles data, as soon as there is no power supplied to the Looking at this thread I was thinking of adding more RAM to one of my HP N54L servers to help cache writes, but I was trying it first on my test server and Unraid uses a very small amount of RAM for cache, I’d like to totally cache files up to 8GB, according to my tests I would need almost 64GB of RAM, N54L max RAM is 16GB. I'm still saving money to convert the system (a 10 I converted my desktop to an unraid server, all I had to do was purchase some memory, a 6TB drive and 1TB SSD for cache. I sol So recently I decided to upgrade the hardware of my unRAID server, since it is doing a lot more than I originally expected it would be doing after the last upgrade I made 4+ years ago and the AMD Ryzen sales looked pretty good. I recommend installing two identical (or more depening on the amount of slots) RAM modules to benefit from "Dual Channel" speeds. Worked for a bit, then the phone said it lost connection, then the ipad lost connection and then the pc resumed playing . My flash drive also failed; I was receiving kernel errors when I had 4 sticks of ram in the motherboard. From your screen capture, you have a standard array configuration with two parity drives. My virtual machine cluster alltogether would need rougly 32GBish of RAM tho, that is when all of them are maxed out, which can not happend in the current setup. I am looking to add a 3rd drives to the Parity Drive Set. 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. Stack Exchange Network. I am using the official Emby container, latest version 4. what you have is a situation where you just need to get off the freetard bullshit and start keeping everything on the solid state drive. There are other compromises (e. It avoids downtime by preparing the drive before it is added to the array. 4G but it shuld use way more than that when i have 8G RAM. I wasn't asking about the RAM, I was asking after the docker usage. You will never hit the endurance limit on these drives transcoding. However, I cannot recall the post where it said, that UnRaid only support up to 4 GB of RA I've just received 2 new drives for my Unraid setup, to replace 2 older drives in the array. 0. Add a Comment. 0 speed for the LSI HBA. The replacement drive CANNOT be smaller than the old drive, I do not need anything too fast as I mostly just run unRAID by itself. The server used for testing has Hi, Long time reader, first time poster. You can start an unraid array with one drive and add as many as you like down the line as you see fit. So currently Unraid shows one missing drive (6 hdd drives, 1 parity, 1 ssd). 2 will automatically pick up where your image was stored previously. Reply Do I have to do anything special? Say I start out with 5 drives and later on down the road I want to add 2 more, would it be as easy as stopping it, and adding the drives? Any info would be appreciated. Stats I have an unRAID 6. I think it is /dev/shm I guess you could create sub folders fir a certain docker and map it to a docker path. It is actually installed to a RAM 'disk' rather than on a physical drive (ssd or hd). 8G = 24G Left = 13G The Load: TOP: Hoihoi, I recently made a mistake and broke the pin of one of my drives. r/unRAID up notifications from homeassistant+nodered to send to my phone if anything gets wacky e. Moderators; 11. category5. Took me a good 5 mins to be able to turn off my dockers 1 by 1. 4k Posted October 17, 2021. Afterwards I tried to enable docker and VMs only to find neither of them would work. Worked for me on 6. ) but the above is THE reason I don't use RAID. So even though theoretically yes the system will give it up for other uses, the RAM is almost exclusive reserved for Plex; therefore, unless you stream 24/7, such reserved RAM is actually even more wasted during down time. Quote; Link to comment. 0 stick. Might be nice to have a few plugins and dockers running but plex will not run on it (I run this from my i7 windows machine) I just maxed out the number of drives, RAM, etc. 83 GB and is pretty much always full. 12. Depending on what you require from your Unraid machine, minimal RAM By this guide Plex uses your RAM while transcoding which prevents wearing out your SSD. Open comment sort options. The advantage of DRAM-based disk is write cycles, Unraid handles ram far differently than other systems (freenas). . I tried accessing a folder on my disk2 both from windows, unRaid itself, in both cases both user and disk share. A somewhat common effect is unexpected file system level corruption. Assigning devices to Unraid is easy! Just remember these I'm specifically interested in Unraid, and VM-passthrough, so that all other hardware is native and only the storage is really part of the ramdrive because I want to see if it can How much RAM your Unraid requires depends on your use-case. Wednesday, I woke up to the same message and a reboot brought the drive back. Blade. But I ask what your use case is because IMO Movies should be on the unraid array, fast storage you want zfs scrubbing for, should be on a dedicated zfs Your movies / tv shows should be in a different Unraid share that is usually set to "Yes : Cache" which means the files are placed in the cache first when moved to the Unraid system and then moved from the cache to the array when the mover is invoked. Here's an article explaining how it works: best case scenario: you will lose all your data with half your drives + 1 fail. I have once tried out a RamDisk program and installed a VM onto it. Here's what I did. SpaceInvaderOne has a YouTube video where explains the ins and outs and stress tests several USB drives. x) existing constraints: -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. Bought a used supermicro mainboard with cpu and ram. Posted July 7, 2018. I ain't no tech genius but shouldn't "use cache disk: Yes" mean that the shares end up ON the cache drive? Because I've done all according to the guide but when I browse /mnt/cache in the Unraid GUI, the only folders I see on the cache drive are my system and appdata folders (amounting for 61GB). I haven't really had any serious software/config issues in years (well that wasn't my own fault). To elaborate: I have a Host with 16GB RAM. Formula of Unraid Calculator. img, unRaid 6. The cache disk is set up so data will hit that first then bleed down into the array. The Unraid OS is unpacked fresh from the archives on the boot flash drive into RAM each time it boots. to get a high number. the ram it uses is completely transparent and is overwritten by other apps as needed. 5600 6 core AMD CPU If there is any further information I need to know, please advise. Its hard soldered and can not be extended. 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 unRAID automatically creates a RAMDISK on 50% of the total available RAM, it‘s available at /dev/shm - the safest way would be using that. You have to map your recording folder to a proper unraid folder in the docker config. Unraid runs exclusively from a flash drive and is loaded into RAM on boot so only when you change the configuration the flash drive will be accessed. Regardless of unraid version, all three are seen by the BIOS. When i use sabnzb and load it up with a lot of media as the cache disk fills up sab will pause the downloads reporting the disk is full. I am running a server with 50+ drives, is there a good way to ID a disk so i can keep track of which drive is which? They are all just Disk 1, Disk 2, etc and sba, sbb, sbc, etc. Reply reply More replies. Im using a mac and Im trying to get my head around it It seems like unRAID uses 1/8 of your RAM as the size of the cache for ZFS disks. My new drive will arrive on Wednesday, given the size and that I want to stress test before using it, it will porbably take a week before I can use Monday morning, when I woke up, I got a notification that the drive was missing. With 1TB cache with 2 500GB M. Q&A. I installed the latest BIOS updates for my motherboard on Wednesday "To ZFS or not to ZFS, that is the question. high temps, high CPU usage, ram usage, array/cache usage etc. I have 5x10tb drives (2 in parity), and 3x4tb for 42tb useable. New Yay I finally maxed out my Unraid mobo today: max ram capacity, 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. You'll use loose files instead of a self contained image. worst case scenario: you will lose all your data with 2 failed drives With Unraid: you will lose all your data only if all your data drives fail. Trunkton. This could be a problem. I have a question about the specs I should be aiming for an Unraid machine running with 15+ data drives, 2 parity drives and some cache SSDs. Top. is it supposed ot load entire hard drives directories into ram? If so I find it not working. Assumed 5400 Reds as the drives / plenty of CPU for unraid / gigabit switch Write speed directly to the array (no cache drive) vary depending on the amount of RAM installed. 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. I've had it happen 4 times now. You could probably run an entire 15 drive array with a few dockers with just 8gb of ram. You can change this, but not currently through the GUI - you add a config file. The Linux kernel keeps the most recently accessed disk buffers and directories in While transcoding to RAM can save a bit of wear and tear on the cache drive (assuming SSD) it's likely not something that is going to make a significant difference in the life of the SSD, assuming newer-gen SSD's. Is it better to copy the data to another drive and wipe both drives? The system did hang during one of the BTFS balance check but this was actually when it was checking another pool not this one. The first 3 times they were different drives. Currently I have a 20TB Unraid server with 32GB of ECC memory and a 256 GB SSD cache. This possibly could have caused unraid to constant freezing and crashing. First time poster, long time Unraid user. Modern SSD/NVME have exponentially higher endurance than decade+ old SSD. Posted October 17, 2021. Link to comment. You can go in and just make the file larger, or do a Docker prune and remove dangling Docker images. The original justification for running transcode tmp in RAM was due to concerns over SSD wear. 8GHz RAM: 2GB Corsair XMS 675MHz (2x1GB sticks) Parity Drive: Hitachi Deskstar 2TB 7200RPM HDD Stora 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. Am I best to make the To assign devices to the array and/or cache, first login to the server's WebGUI. Is ECC ram an necessity on Unraid btrfs as its on ZFS file Regarding transcoding to RAM, this isn't 2011. Ok, also a newbie question: When you say cache, does it mean you specify a drive as cache in unraid and then it uses it as the cache for all write operations? And then do you need to set up something else to be able to put anything on the cache drives? Or does it just behave like a normal drive with only special thing being "unraid uses it for caching" ? Plex using 14GB of Unraid is not RAID --- hence the name. g. What do you mean exactly by a "clean reinstall"? Unraid is a clean install at each boot. This includes things like a Minecraft server, nextcloud, tailscale, *aars, reverse proxy, bookstack, etc. I would like to use two 2TB 7200 RPM drives in RAID I just want to make sure I’m reading this right. For example, if you add a Windows 11 virtual machine to Unraid, you must meet the minimum requirements for that OS, in addition to those required for Unraid, to maintain functionality. Is there a way to see what’s using the ram? Lately my system, has been going to 95% ram utilization. I have no idea if such a thing already exists, but as a coder, I don't mind just making one myself. Share Add a Comment. Quote; Snubbers. You can set them up the same way on unraid, as cache pools, but if you don't use the unraid you need to put a USB drive dedicated to that. Since it’s running inside the docker container itself, it should “just work” any time the OS or image get upgraded. mkv /mnt/disk1/Backup Stay informed about all things Unraid by signing up for our monthly newsletter. A quick and dirty test you could do to narrow it down faster, is to swap power connections with known-good drives in the system. For docker. Simply said. Old. I have seen a few guide that say put /tmp or /transcode and say put "- Unraid has a built-in shared RAM disk accessible under the /dev/shmfolder. I also now have 64GB RAM so it likely would not matter as much. I am not getting the speeds I should be getting, (about 200 MBps) where i should be getting around (500 MBps). Hello Unraid, I just recently built a 10G network using Fiber and TwinAx. A diagnostic plugin that lets you test your RAM without needing to reboot. The amount of ram thoug was proble So my plan is to use the 16TB drive as a parity drive, then add an empty 8TB drive as data disk and move stuff from one full HDD to the 8TB data disk. Members; 577 Author; Share; Posted July 7, I just got a new Mobo AsRock Z77M with a i5 1155 / 3570 CPU. only because I'm using ram drive for anything If your Unraid version is different than @Mainfrezzer's code example, then it's possible those files are also different. Posted May 7, 2022. The OS is tiny and runs in RAM, the USB drive just sits idle most of its life. My server really is only a NAS, so I want to give ZFS as much RAM as I can. even though unraid only shows 8??? Parity drive: WD Purple 8tb Array: 1 WD Purple 8tb, 2 WD black 6tb Cache: 2 samsung evo 860 500gb ssd I managed to load ev SnapRAID on UNRAID. I have a recently built Unraid server (see specs below) and want to make a change to the cache drives. I went ahead and made a copy of the drive then for an additional backup. Click on the Main tab and select the devices to assign to slots for parity, data, and cache disks. I've created the first beta of a web-based array capacity calculator. 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. Unraid works differently, and depending on what you require from your Unraid machine; it can do everything you want it to with minimal RAM. Flash-based SSD is generally much cheaper and much faster. Unraid has a TMP folder that's an auto ram disk with whatever ram is available. I thought I'd start by trying 1/2 of available RAM. The cache drive can have multiple uses. 16 gigs of ram. Unraid does not require a replacement drive to be the same size as the drive being replaced. cache_dirs is a script to attempt to keep directory entries in memory to prevent disks from spinning up just to get a directory listing. 10. 96GB Ram Dual 1100 watt PS Nvidia Quadro P2000 video card for transcoding (love the T710 for this easy install as opposed So i am new to Unraid, trying it out over OMV and previous windows usage. 9. 5 GHz 16-Core Processor CPU Cooler: Noctua NH-D15 82. `find /mnt/disk* /mnt/cache -type d -empty -mindepth 1 -delete` Controller Benchmarks helps to identify if the drives attached to it will potentially exceed the capacity of the controller if they were all fully being read from a Jump to content. I tried pathing the vdisk to the cache drive I also tried pathing the libvirt. 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 - In my opinion the 1TB nvme is going to be plenty for a cache drive as you get comfortable with Unraid. The more ram I have the more content I can preload. after searcing for Hours i found out that my rootfs drive/folder (i dont know i shuld call it) uses 3. 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. I don't mind if I lose the files in that cache drive, I Total ram 16GB. However, once Plex made their own in-house docker image, unraid deprecated theirs. This has been consistent across two different builds (other was an HP 8000 Elite SFF C2Q Q9650, Yeah my friend tried to download around 5 movies all around 10GB each at 1080p 8mbps quality and it caused my plex instance to crash multiple times using the new downloads feature, as already mentioned it seems to store the entire transcoded file in the /transcode mapping folder in its entirety until it’s been downloaded by the client, if the ram becomes full Hey all. I restarted the Unraid server and the drive came back online. All I had to do was Disk-based Linux distributions often use swap space but unRAID runs entirely in RAM and doesn't use swap space by default. I had to completly reset and Go to unRAID r/unRAID. And trust me, you want to run the preclear, wait the 24h and not be upset about yourself rather than having to RMA the disk and run a stability-degraded array the whole time. Matter_Anti_Matter • Have you looked at any of More RAM. If I start all of them, I still use less than 50% of RAM when the server is idle. This has caused OOM (out of memory) to kick in and kill one of the VMs over time when docker containers start using more RAM. I'm sure there are consumer drives with similar features, but I like that these Delkin drives are documented and have a controlled BOM. I believe that most distros will also move /tmp to a physical disk if it grows too large compared to your current RAM usage. RAM Issues It is known that RAM degrades over time. There is very little wear on the USB drive, so most people run it for years off the same stick. Install the User Scripts plugin, add a new No KSM enabled by default = much less ram is free/available to other services when running 2+ windows VMs at the same time. using UD), possibly mergerFS-fused/pooled, unassigned disks outside of the primary Unraid array - either due to not always being online Running 6. This is with 12 active dockers (out of 33 installed) and 0 VM's. The optimal way might be to create your own I'm running an unraid OS with plex if that helps. even when all dockers turned off, server was "idling" at approx 30% when usually about 5% when all dockers turned on. I have 10 hard drives that are 4TB and 3TB that need to be precleared and the same on an exact copy of my server belonging to a friend, How many hard drives can I preclear in one go and is there a limit using the unRAID free, 3 drive version. I don't know if passing through the SCSI Card is a good Idea because, as I have seen, while the VM is Working, Unraid won't have access to it. 0: enabling device (0000 -> 0002) Jan 31 17:46:20 Unraid kernel: nvme nvme0: Removing after probe failure status: -19 Look for a BIOS update, this can also help sometimes: If all you are doing is swapping motherboard, CPU and RAM and not changing the disk configuration at all, the swap is seamless and nothing else needs to be done. Reply reply You are Lastly, Unraid only loads the complete OS and all of your configuration from the USB Flash drive to RAM when it boots so the whole OS is running exclusively from your RAM. Some people also put those on an Unassigned Device. The OS is contained in archives on the flash drive, and those archives don't change except when you install a new version of Unraid. So, it frees the one drive for data. I ended up following u/rkegath's comment This motherboard has four NVME slots, currently three are in use, two connected through the chipset. You can, however, use the SSD as a cache drive. Parity Swap Process: Unraid will allow larger drives as parity drives. I do believe after moving, unRaid deletes empty folders in the source-disk. The VMs are allocated around 14GB. I would be starting out with a 10TB drive, Plex, 1-2 VMs, and whatever i find interesting in docker while adding a 10TB parity drive in mid October. Note that doing this doesn't mean the RAM Disk code won't have any issues, just that the code won't abort itself. Edit the configuration of your Plex container and add another path. Don't be scared mate, 16GB of RAM for unRAID is plenty for a media server. Per the Unraid notes, ZFS is only allocated 1/8 or your RAM. 5 CFM CPU Cooler Motherboard: ASRock X570 Phantom Gaming X ATX AM4 Motherboard Memory: Corsair Vengeance LPX 64 GBDDR4-3600 CL18 Memory Storage: 2* Samsung 980 Pro 1 TB M. My son does a lot of video editing and I am considering building an unRaid system for him as a gift, will a SSD cache screw up his editing as it seems that it writes Hi Everyone, I have unraid set up with a 120gb cache disk. PC Specs: i7-10700 CPU (Using quick sync) 24GB RAM. The ram is $32 per module with needing to buy 2 at a time due to dual cpus So i'm looking at making an unraid nas/media server at the end of the month and I was wondering how much ram it would require. 0 stable version. Unraid also uses an allocation of ram as a "dirty cache" which means more ram can be used to speed up network file transfers and such. The OS runs completely in RAM. Theme . 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. 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 you copy more onto the drive. No speed benefit as far as I can tell as its 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. Controversial. System is running fine and I think cpu wise I use what I have, with a bit room to grow. I use this cache drive to not spin up my array when downloading stuff or seeding torrents. Edit the Plex Container and enable the "Advanced View": Add this to "Extra Paramet #Limit PLEX Transcode RAM Drive Size mkdir 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. I bought a Ryzen 7 2700, Asus ROG STRIX X470-F GAMING, 16GB DDR4, and Hi there. img location but nothing see So I currently have two 6TB WD Black drives set as parity drives and all is working well (though the WD Black Drives run hotter than I prefer). Setup is as follows: asus p8z68 deluxe with an i5 2500k. Edit: my main concern was whether or not I was going to be putting too much into the build with the 3900X and 32GB of RAM. zfs pool for docker appdata, vm disk etc. Thats the only pro argument I've ever heard to use a ram drive for transcoding. Best. Am I best to So a couple of days ago i received my RAM upgrade, 64GB of joy I installed it an went on doing other stuff. This means that it has limited storage space in its file system. These are the current parts I bought for my first unRAID server, but before I purchase the remaining parts, I need to know exactly what I need to get. 2, do I need to move my appdata and/or docker image into unRaid's recommended shares? (/mnt/user/appdata for appdata and /mnt/user/system for the docker. I want to eliminate the mirror and run in single mode. 2 and another 1TB sata SSD. Hi All I have 64 Gigs of RAM (Useable 62. I figure this is giving me a fairly consistent view of the write performance of each of my drives: Spinning Rust Drives: rsync --progress --stats -v Test. img) No you do not need to move the files at all, and everything will still work 100%. This is my drive line-up 3 - 3tb 3 - 2tb 5 - 1. I am assuming you are writing to a cache-yes user share and not directly to the cache drive. When deduplication can save 75 to 90 percent of the space associated with VM, you're not having a capacity or a cache drive issue. 2-2280 NVME Solid State Drive Storage: 1* Samsung 980 Pro 2 TB 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 Upgraded to an 18 TB Drive. My Main Unraid system HP elite 8300 SFF Intel Core i7 3770 Clocked at 3. Posted April 30, Unraid itself maintained a Plex image that was unraids official version. Reply reply Unraid also doesn't install to a SSD, it runs exclusively from ram after booting from the flash drive. Members Online • zarfx4. Then add the disk I just copied to the array (since I copied the data and it will be formatted upon adding to Array), and so on. I learned the "hard-way" that ReiserFS doesn't support data drives that large (18 TB or larger) 16 GB RAM, no docker containers, just a simple NAS The use of BTRFS is from migrating from an older unRAID setup (5. I also have 64GB RAM on my server but have limited transcoding to using 16GB RAM. Have a mostly Seagate IronWolf and IronWolf Pro’s and a Toshiba NAS drive. :- TRANS_DIR=/transcode /transcode How is one supposed to remove a drive from a 2 drive cache pool. When I had two records going at once, the 2nd would fail as I only had 32 GB RAM. I am now using a Lenovo C940 laptop as my daily driver, and it is more than capable. USB dongles Updated to latest 6. I want to setup a 10GB RAM drive on unRAID to test my network and further narrow down where the bottleneck is. Old Cache drive SSD 1T I added a second drive to the cache pool nvme 2TB Raid1, And let it clone it self. But the board came with 128gb of ram and I currently don’t use more than 5%-10% of that. New. ADMIN MOD Ram usage . I have around 15 2TB drives lying around containing random data from various moments in my life, so I decided to finally clean it up. The system allows you to enter up to 21 drive capacities ( The Unraid OS doesn't have a system drive. FYI- My windows install was on a seperate NVME drive outside of Unraid. They're two different things. mount -o remount,size=384m /var/log. I decided to create a build with some old hardware lying around. Since it's multiple drives, the problem points to either something power-related, or controller-related. Running a home assistant VM, Jellyfin and *arr stack, paperless ngx and adguard home on unraid right now. Has anyone done research into determining the optimal cache size? I recently increased my server RAM from 32GB to 64TB and my ZFS cache size went up to 8GB. I installed 64 gigs DDR5 RAM to support ZFS, but it seems to be barely using my RAM. That's when I stumbled onto flashing the H310 firmware with the IT firmware (I had the RAID firmware). I run Plex as a Docker on my Unraid server. But I am getting ready to migrate it to a new 24 drive case and add 12TB more of drives to the case. I'm currently using 6x 8TB drives (double parity and 6 data) and 2x 6TB drives (2 data). Pool TWO has 2 drives in raid1. Thanks! Share Sort by: Best. 1 instance that is full of ReiserFS drives (as I migrated from unRAID 5) and I have an 18 TB parity drive. 0-rc2). You want to map /dev/shm on the host to /t thought about RAM disk as an alternative to flash based SSD. it will do the first Folder listtins so what I mean is \\tower\ it will show those file folders if I click into one its fast but to go into anything Live Memory Tester for UNRAID. Possible Use-Cases: Parity protection and a degree of corruption detection/repair for custom-mounted (e. This plugin provides a convenient GUI for in‐place memory testing using the veteran command-line utility memtester. How do i configure Plex to transcode to RAM/Array/Cache? A1. If I have 2 drives of different sizes, the pool will just become the size of the smaller drive yeah? How does unraid know which disk to build the array from? i've pre-cleared the drive that i will be adding just to be sure its empty. cpu and ram usage 99% 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 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). logged on to my GUI and literally everything maxed out and struggling even lo load the GUI pages. RAM requirement, same-size drives etc. More RAM means more caching and as RAM is even faster than the fastest SSDs, this adds additional boost to your SMB transfers. See also DDR5 RAM Latency Calculator Online. I took the disks from qnap nas, and tossed them into the server. Light Mode Dark Mode. uurw hkot thhy gkdk xtaygk axdbf sup yjzew isqejyaa jlww