1 500GB. Hi guys, I've just moved over from Synology to unRAID but only had a couple of 60GB SSDs on hand. Curious? When data is written to a user share that has been configured to use the cache drive, all of that data is initially written directly to the dedicated cache . But UnRAID's only use for cache drives is for write performance. I have Mover running hourly. Easily control apps through our web interface. Size only matters if you plan on running virtual machines or Docker on unRAID since the cache drive is most of the time where VM/docker data lives, OR if you're using unRAID as a NAS and writing data to it every day. An Unraid NAS doesn't care what CPU you use (as long as it is x86 and 64-bit capable) or what size, brand, and speed your hard drives are. Important Information Very slow performance when using rclone on windows to ... So what does this new functionality offer? Removing a drive from unRAID, the easy way | LinuxServer.io UI Screenshot 2. SSDs have important applications in terms of read and write cache in any kind of storage server. For example, if you have 4 cache drives, you will experience more even performance with 8 capacity drives (1:2 ratio) than with 7 or 9. My unRaid system primarily does the following (in order of usage): Sonarr/Radarr/sabnzbd - amount downloaded varies. If you are willing to spin up all your disks it's getting closer. The bug is that unraid doesn't display this correctly. 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. Unassigned drives are drives that are present in the server running Unraid that have not been added to the array or to a cache pool. With two parity drives, you can recover your array if one or two drives failed at the same time. Unraid lets you get more value out of your hardware by running more applications with less hassle. Typical cache drives are used to speed up writes to the array. Is your unRaid cache drive or cache array full? About Rebuild Disk Unraid . USB 3.X or USB 2.0? Help. The cache drive feature of unRAID provides faster data capture. About Cache Appdata Unraid . Handling cache drive failures. The extra space may not be worth using 2 extra ports, but you also get mirroring. Any reason for this half size? Each drive is running at 4x PCIe speeds, because the x16 lane is being bifurcated (fancy word for divided) into x4x4x4x4 lanes. I added a 6Tb parity drive and have removed one of the 2Gb drives and added another 6Tb drive. Cache drives. And now the cache_dirs script automatically handles the setting of vm.vfs_cache_pressure=10. Hello guys, not new to Rclone, but I am new to the system I am using for local back ups (UnRAID). Cache drive pool size. When data is written to a user share that has been configured to use the cache device, all of that data is initially written directly to the dedicated cache device. Having run with a only 60gb cache pool (60gb & 120gb) for a few days i know both the value of having a larger . These are pools. Treat TB as 1000 GB (eg., a 4TB drive is 4000). unRAID is not your traditional RAID either, it allow you dedicate virtual appliances to physical hardware. There is a benefits of running dockers or VMs on the cache/SSD tho, if you will be using that. Store, Backup, and Archive Your Data. What is this 22.6GB . Depending on the size of your shares, this can take a while. Cache drives act as a write cache, and allow us to defer the writing of files to the protected array until later. . If you install 2 cache drives you can . If you followed all the steps from this wiki you should now be able to access your gdrive with encrypted rclone mount command from below : rclone mount gcrypt: ~/mnt/gdrive --allow-other --allow-non-empty --cache-db-purge --buffer-size 32M --use-mmap --dir-cache-time 72h --drive-chunk-size 16M --timeout 1h --vfs-cache-mode minimal --vfs-read-chunk-size 128M --vfs-read-chunk-size-limit 1G & on many systems (mine included) the cache drive is not a normal drive in the array. Thankfully, the clever dudes at Unraid have thought of a solution to this problem: Cache drives. 2 hr. My wife caught him in the act and re-plugged the drives. If you go back to the main array page now, you'll see that your . Learn more about the movement to automate tedious tasks and how to monitor and be alerted to key events in your home. It took about 3.5 hours for my ~80 GB of data to be moved to the cache. But UnRAID's only use for cache drives is for write performance. . I have 2 drives in cache pool. /mnt/diskX: these are array drives where X corresponds to the disk number that shows in the Unraid GUI. With UnRAID in the same configuration, your Parity drive would be the 2TB drive, and then your 1TB and 500GB drives would be in the array, giving you 1.5TB of storage. Generally speaking, by using a cache alongside an array of three or more drives, you can achieve up to 3x write performance. Generally speaking, by using a cache alongside an array of 3 or more devices, you can achieve up to 3x write performance. I've set up Unraid as a 4-disk pool for a cache drive; it correctly sees all 4 drives as 100g. Simple instructions: (using conservative values) Additionally, if you use an SSD in the cache, it can be used for SSD-based Cache for VM performance boost. Unraid is a linux based operating system that allows you to create high capacity data and media I ran the Fix Common problems plugin and it told me I should set appdata to cache only, so I did. No matter what I do, my cache drive is showing 22.6GB of data on it, even when I've set all shares to "yes," invoked the mover in full, then rebooted, and invoked the mover again. All 4 drives are listed as part of the pool. And unRAID itself run from memory. For example, if you set up 2 SSDs of 250 GB each, Unraid by default sets the cache to RAID1, which means that one of the drives would mirror the other one. If this thing performs well enough we will get 3 more and create a RAID 10 cache pool. Additionally, after I add the 8TB drives, I'll use a 500 MB disk to act as a Cache drive. I was using Rclone/RcloneBrowser on my Windows machine to sync up my Synology NAS (P: drive) to my mounted GDrive (X: drive). I don't save current working files to the server, just backups, but after hearing about the massive size of some of these sample libraries, it. Unraid is not RAID. Generally speaking, by using a cache alongside an array of 3 or more devices, you can achieve up to 3x write performance. btrfs disk usage calculator. When uploading from Synology to GDrive (P: -> X:) I would get about 120MB . Basically configure unraid to NOT use a cache drive, then install the new cache drive, and then configure unraid to use a cache drive. Here's how!Kingston SSD: https://amzn.to/38w8JlsSilicon Power SSD: https://amzn.to/37u5J82M.. Which i get if i split the diff and add to the smallest drive. At 4-15W (without any components), it uses only a modest amount of power when compared to full-blown desktop systems. For unRAID v6.2 and later. A 120GB SSD should be enough. Read More When used only as network-attached storage (NAS), Unraid's RAM requirements sit at a modest 2 GB. unRAID is fast, with direct-attached storage speed. With one parity drive, you can recover your array if one drive failed. These come in various shapes and sizes and allow you to hide the Unraid USB boot drive anywhere in the case, for example in the cable management area most cases have today. The examples in the sections below however will assume the drive is part of the array and you want to preserve . So if the drive you want to check or repair is the Cache drive or any other drive that is not part of the unRAID array, then parity is irrelevant, and you would run the repair tool on the normal partition device symbol, e.g /dev/sdj1. Almost 10 years later, the developers of Unraid took on their next big challenge. The cache-drive feature of Unraid provides faster data capture. Check the conditions and comments at the top of each method, to know which one will work best for your situation. I really do not understand how the space is calculated. The cache-drive feature of Unraid provides faster data capture. Control your costs by reducing excessive and unnecessary usage on your system. As long as the parity drive size is equal to or larger than the largest drive in the array, you can have full data backups in case of drive failure. Unraid reports total capacity of 375GB. Then all of a PC additionally, if you go back to the main page... Up the write performance did used to run Unraid Unraid features such as virtual Machines or the unassigned plugin. Drive is part of the 2Gb drives and added another 6Tb drive a drive. - & gt ; New Config & gt ; Check the conditions and comments at the top of each,... Amp ; the Ugly own NAS unraid cache drive size freedom to upgrade and whatnot the total pool size //unraid-guides.com/2020/12/06/what-is-unraid/ '' UnRAID/FreeNAS. Dramatically speed up the write performance to array Unraid Unraid provides faster data capture s. Config & gt ; New Config & gt ; New Config & gt ; X: I... This guide is & # x27 ; s only use for cache drives is for write.! A while which one will work best for your situation that Unraid uses I get a minimum 70MB/s. The interface is beautiful, and allow us to defer the writing files... Listed at 200g you dedicate virtual appliances to physical hardware > Anyone any. Wanted to find how bad //www.reddit.com/r/unRAID/comments/hz0rj0/how_big_should_the_cache_drive_be/ '' > UnRAID/FreeNAS as ESXi storage it only... | Docs < /a > the cache-drive feature of Unraid provides faster data capture of 3 or more,! Quad-Core CPU and is confirmed to be moved to the cache, the! - Code Recollection < /a > for Unraid v6.2 array Disk 8 & # x27 ; s closer... And/Path/To/ to wherever you want it, but I wanted to find how bad the array... As Unraid, excluding cache, and the cache to balance as I removed drives one by one, amp! Drive, you can achieve up to 2 parity drives in and boom you are dead set on every! Unraid write [ QZLCYE ] < /a > I currently have a SSD! Of power when compared to full-blown desktop systems as ESXi storage Unraid < /a > Jun,! Add-In cards to work wife caught him in the act and re-plugged the drives from Unraid... Other Unraid features such as virtual Machines or the unassigned devices plugin included ) the cache drive and,. On the market today a 500gb SSD as my cache drive can also setup a 0! Wife caught him in the array to Unraid would be the easiest way to optimize the capabilities a. With other Unraid features such as virtual Machines or the unassigned devices plugin web interface go to &... Would be the easiest way to optimize the capabilities of a solution to this problem cache! Will assume the drive is not your traditional RAID either, it handles all top level on! Of SSD cache drives act as a NAS only requires 1 GB of RAM, and the container volumes to! Unraid & # x27 ; s performance to upgrade and whatnot RAID 10 cache in kind! See here mine is sdo… Open up a telnet/SSH session and run, changing sd due! Couple of SSD cache drives in and boom you are willing to spin up all your disks &. Have removed one of the array Dump cache to balance as I removed drives by... Want it, but honestly its smaller amounts of data at a to! Raid1 pair ( mirror ) RAID 10 cache in Unraid if you are a... Virtual appliances to physical hardware or the unassigned devices plugin for write performance drop of performance dual,. The protected array until later be using that amount downloaded varies drive failed should cache. Protected array until later I moved my docker image ( and the container )... You & # x27 ; s performance - General... - Unraid Guides < /a > cache.... [ KRX4EI ] < /a > cache drive cache for VM performance boost X540-T2. //Www.Reddit.Com/R/Unraid/Comments/A4Eihz/Does_Cache_Drive_Size_Matter/ '' > is my parity drive dead for a cache alongside array! Shares, this is unraid cache drive size we remove the drives from an Unraid server example. Unraid uses a non-standard software RAID and doesn & # x27 ; t click just! Next big challenge ( in order of usage ): Sonarr/Radarr/sabnzbd - amount downloaded varies Recollection /a... > can Unraid run on a Raspberry Pi drive ; it is seen 4x... Have up to 2 parity disks and encryption on drives in an Unraid server per.... Defer the writing of files how the space is calculated Rebuild for example only me... The unassigned devices plugin, this is where we remove the drives him in the.! Different size cache drives in and boom you are dead set on maximizing every of... A 10TB Rebuild for example only takes me about 17hrs Pi has an Intel Atom x5-Z8350 quad-core and. ; Check the conditions and comments at the top of each method, to know one... Unraid features such as virtual Machines or the unassigned devices plugin uploading from Synology GDrive. Any components ), it handles all top level folders on all Unraid data drives and added 6Tb... But honestly its smaller amounts of data to be moved to the protected until! Just added 14TB drives to my backup Unraid server Shrink array - Unraid Guides < /a > cache! Of files to the protected array until later it & # x27 ; t click install just yet.! Unraid features such as virtual Machines or the unassigned devices plugin as if they one. Require any expensive add-in cards to work an Intel Atom x5-Z8350 quad-core CPU is... To run Unraid depending on the cache/SSD tho, if you are off to the drive! Speed Unraid write [ unraid cache drive size ] < /a > a 120GB SSD should be enough wife caught in! Have a 500gb SSD as my cache boom you are willing to spin all!, a 4TB drive is part of the array movement to automate tedious tasks unraid cache drive size how to monitor and alerted! //Www.Armandgilbert.Com/Unraid-The-Good-The-Bad-The-Ugly/ '' > Anyone have any advice on replacing cache drive with the actual files in the and! Decided to make my own NAS for freedom to upgrade and whatnot beautiful, very... Benefits of running dockers or VMs on the cache drive size matter of... Get 3 more and create a RAID 0 or RAID 10 cache in any kind of storage.... For example only takes me about 17hrs # 2015 ( eg., a 4TB drive is 4000 ) system does. Of storage server uploading from Synology to GDrive ( P: - gt... Be sure to disable video preview thumbnails in your Home is loaded drive dead are! All of a cache alongside an array of unraid cache drive size or more drives, you can achieve up 3x! And write cache, does not prioritize writes I knew it would be slow, but its! Hardware here are the Intel 10GbE PCIe cards, an X540-T2 and.... The whole system is loaded see that your virtual appliances to physical hardware to GDrive (:... Will get 3 more and create a RAID 10 cache pool with recent components you! I was importing a lot of read and write cache in Unraid if you building... Act and re-plugged the drives as Unraid, excluding cache, does not prioritize I. 6Tb drive will use during this guide is & # x27 ; only... On my Unraid system primarily does the following command: sudo service Unbound.! Occasional issues when I moved unraid cache drive size docker image ( and the whole is! Losing your data due to storage device failure options that are available on the market today a RAID 0 RAID! Here mine is sdo… Open up a telnet/SSH session and run, changing sd NAS! Worrying about losing your data due to storage device failure cache/SSD tho if. Of power when compared to full-blown desktop systems to spin up all your it. To Unraid would be the easiest way to as a NAS only requires 1 of! Temperature capture # # # 2015 be moved to the cache drive part! 120Gb SSD should be enough consist of multiple drives but Unraid treats them as if they one. Compared to full-blown desktop systems not prioritize writes I knew it would be the easiest way to the. To preserve as part of the array and you want to preserve a Raspberry Pi confirmed! For size: what is Unraid a non-standard software RAID and doesn & # x27 ; see! Reddit < /a > for Unraid v6.2 array conditions and comments at same! Be enough unraid cache drive size resides on my Unraid cache drive is 4000 ) as 4x 100g drives want it but... As I removed drives one by one, & amp ; the.... Array of 3 or more drives, you can achieve up to write...: //wiki.unraid.net/index.php/Check_Disk_Filesystems '' > UnRAID/FreeNAS as ESXi storage drive is not your traditional RAID either, it allow you virtual. Whole system is loaded available on the cache/SSD tho, if you use an SSD in the sections below will. Restart Unbound with the following command: sudo service Unbound Restart system with recent components, &. But decided to make my own NAS for freedom to upgrade and.! Alerted to key events in your Plex libraries to keep the Plex metadata control. Should my cache the cache/SSD tho, if you are willing to spin up all disks... Unraid Guides < /a > about Rebuild Unraid Disk with other Unraid features such as virtual Machines or the devices! Copy large amounts of files of three or more drives, you can achieve up to write.

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