However, unraid mitigates against this by allowing you to use an ssd as a cache drive. This page is a basic introduction to the unraid cache drive, but was. Something as simple as removing a drive by moving data off said drive and onto another drive in the array is completely missing. Overall, what have been your impressions of unraid. Turn off parity, replace parity drives and let unraid rebuild parity, then disable parity, replace all data drives and let unraid rebuild data. Unraid has made almost every aspect of home server management easier for me. It is particularly useful for users who write data to the array on a regular basis, and can also be used as a scratch disc for certain applications. Nov 07, 2017 the storinator storage workstation uses our fifteen bay storinator storage server and the specialized os unraid to create a fast, massive, and versatile desktop server solution. I used an ssd for this, so trim support was a big deal. This may involve physically removing the drive from. Need some input on replacingadding a second cache drive. If your replacement drive is larger than the parity drive, then proceed to the parity swap procedure. Also you will learn how to upgrade or replace an existing cache drive and how to create a raided cache pool.
I usually have a spare disk ready to replace a failed drive immediately upon failure. Be aware unraid writes to the drive on boot, shutdown, when the array is started, when the array is stopped, and when any configuration changes are made. Cache drive replacement question at the moment i have 2 cache drives set up in a btrfs pool one is a 128gig ssd and the other is a 256gig ssd that contain all of my various dockers as well as my download folder. Before we get right into the nitty gritty of setting up unraid, lets just go over some of the basics of what is unraid, suggested setups, etc. Instead, each data drive is formatted normally with its own file system. Upgradingreplacing a parity drive in unraid upgrading. How to add a cache drive, replace a cache drive or create a. Parity drive data drive cache drive and there are 2 types o. How to set up unraid nas software with plex media server and. How to set up unraid nas software with plex media server. Jul 27, 2015 lime technologys unraid 6 brings containers and virtualization to nas units. Below are the various btrfs raid configs for unraid. A long time ago i had 2x250gb hdds running in raid0. How to add a cache drive, replace a cache drive or create.
This video is a tutorial about how to add a cache drive to your server. Create a project open source software business software top downloaded projects. Is there a performance increase with this, or is it purely a cache redundancy scheme. Today i installed a new 1tb nvme drive to replace the 4 old drives. Such errors may occur when memory cell operability is reduced, and it means the information kept there can be damaged or lost. To replace a data drive with a larger one, that is even larger than the parity drive. The cache disk feature of unraid greatly increases the perceived performance of the system when writing data to a parityprotected array. Tying license of software to a peace of hardware is insane and not very customer friendly. I often find myself explaining my rationalephilosophy behind using a cache drive to various new unraid users. I did install plex but have not quite figured out the software settings for my unraid. Jan 28, 2017 this video is a tutorial about how to add a cache drive to your server.
Omv has plugins you can install and use to setup both tools. My new unraid server is almost completed and will be working on the qnap soon. How to add a cache drive, replace a cache drive, and create a cache. Best way to map to unraid user or disk share general. To write to unraid, whichever disk is being written to and the parity drive are spun up and written to. Cache drives i have a 128gb force gt drive lying around which i use for this, but what i want to know is there any particular reason to setup a cache pool. I wanted to use one of them to compliment my main hdd as a backup drive. Hi, quick question for anyone storing their movies on unraid do you map to them in mb3 server using user share. How to replace or upgrade a disk in your array on unraid. Flexraid, unraid or other on same box with windows 7.
This procedure is intended to help some with moderate linux experience set up unraid 5. Software raid that is much safer and easier to use compared to hardware raid. This will cause the mover to move these shares back to the. This will eventually be one killer server, with the ability for upto 22terebytes of space 1 parity drive, 1 cache drive, 11 data drives, all at 2tb in size. How to add a cache drive, replace a cache drive or create a cache. I can replace the 4tb drives with larger drives, but in order to expand the. So, this thread is about, what is the best process to replace a drive. On thursday, april 9th, 2020 lime technologys cmocso jon panozzo appeared on the home gadget geeks to talk about upcoming unraid features to look forward to in the next release, take questions from the audience, and much, much more. The only requirement is that the parity drive must be as large as or larger than any of the data drives. Discussion in diy server and workstation builds started by iamspartacus. I previously had 4x 128gb ssd drives in unraid as a cache drive, they were configured so they appeared as 1 large drive 480gb all via software in unraid. Home forums hardware, software and accessories hardware components and aftermarket upgrades unraid a msata cache drive. Cache drive replacement question at the moment i have 2 cache drives set up in a btrfs pool one is a 128gig ssd and the other is a 256gig ssd that contain all of.
These writes take more time due to the cpu having to calculate parity. In my case i mount a drive that is outside of the array, i call it the system drive and it holds all the configurations for my docker containers. I have a 750gb ssd as cache drive in my unraid server. May 19, 2011 i dont use a cache drive because im just using unraid for write once and read many and 30 mbs with parity is more than enough for me. If you suffer more than 2 drive failures you can actually still recover some of your data from the working disks.
Everyone thinks their by everyone i mean the companies software. Discussion in hardware components and aftermarket upgrades started by frozensolid, oct 1, 20. Itll store the data on the cache drive till a set time 3am is mine i believe then move the files into the array. Unraid tips and tricks setup, plugins, dockercontainers. Replacing a failed hard drive in a software raid1 array. Unraid make it a very easy process of upgrading a drive or adding a drive anytime you like. Replacing or upgrading your cache drive for unraid v6. Why does unraid allow my cache to fill up to 100% before invoking. This guide shows how to remove a failed hard drive from a linux raid1 array software raid, and how to add a new hard disk to the raid1 array without losing data. If i want a hypervisor i will use s purpose build one. My question is how do i now safely remove the ssd from the cache pool without losing any information on my original cache drive. Upgrading space how easy or hard is it to replace a drive for a bigger one. I figured this would be easy but it wont let me format my drives. Open the usb creator to set up unraid on your flash drive 1gb minimum to max 32gb.
I read that someone installed unraid on a qnap ts963x 9bay amd system which gives me hope on doing the samething to this system. Instead of repeating those same points over and over, i figured i would start this thread to both consolidate them all into one place, and to shed some light on the current situation of. Simply install unraid to a new flash drive using the normal process and then either install your old key file, or equivalently, copy it to the config directory on your usb flash device. There is a new version of this tutorial available that uses gdisk instead of sfdisk to support gpt partitions. How to fix hard drive or ssd smart error hetman software. Because of that, files are duplicated on the cache drive and on the array, and because of that, when changing the cache drive, you want to make sure unraid simply isnt using the cache at all, then replace it, and then tell unraid to start using it again. How to add a cache drive, replace a cache drive or create a cache pool. I have a new pc and those 2 drives have been sitting in my closet now for some time. Looking to move off unraid alternative bulk storage os. What this means is that there is parity across the disks in case of a failure. The replacement drive cannot be smaller than the old drive, but it can be larger, much larger in fact. Make sure the file system for the cache drive is set as you wish click on the cache drive and check file system type start the array, and let unraid format it.
Thining of moving from unraid to snapraid sourceforge. Unraid is now able to do dual parity and dual cache drives for redundancy. Flexraid, unraid or other on same box with windows 7 h. Sorry if this is a horrible idea, but this is the first time ive needed to replace drives, but any help would be appreciated. The unraid organization offers several key advantages over other raid systems. Try to manually install the flash drive instead of using the automated software. Dualboot windows from a partition on the unraid cache drive requires unraid pro 4. This can limit how you can upgrade the size of a raid array. This is not necessary as you can to the same for the cache drive.
There are software clients for things like network file accelerators that cache data on your machine and simply copy the blocks of the data. How fast i am not sure but at least twice as fast id say and that is without a cache drive. The storinator storage workstation uses our fifteen bay storinator storage server and the specialized os unraid to create a fast, massive, and versatile desktop server solution. Ive added an ssd to my unraid box, and then i proceeded to add the ssd as a cache drive and subsequently setup a btrfs cache drive pool with my previously existing cache drive. Assume i had a 4tb parity drive, and went to replace a 1tb drive with a 4tb one, whats that process look like. Power up and assign the new cache disk, then start the array. Just got setup, i just have couple of questions on best way to do couple of things. Aug 17, 2019 unraid has made almost every aspect of home server management easier for me. Cache drive suggestions unraid compulsive design unraid. Basically it worth buying another 128gb ssd for my use. Sign in sign up instantly share code, notes, and snippets. The objective of this guide is to help you to set up limetechnologys unraid network attached storage and install plex media server and tvheadend tv. To overcome this speed problem, unraid introduced a cache disk which is a separate disk that gets written to at full speed no parity is calculated, so no speed penalty. Unraids caching solution using ssd drives and btrfs works just ok.
Is there a common rule of thumb on the size of drives you should be using, i will def. Apr 29, 2009 i figured this would be easy but it wont let me format my drives. Unraid os pro supports up to 30 storage devices in the parityprotected array 28 data and 2 parity and up to 24 storage devices in the cache pool. I just personally dont like where unraid is headed. Because unraids write performance is sluggish, i was using a cache drive on it, where new files were placed until a nightly cronjob moved them to the protected array. You cannot replace a drive with one that is larger than the parity drive. The license is assigned to the guid of the flash drive and it can only be used with that specific drive unless the license is transferred. Put the advanced format drive into compatibility mode take the action specified on the chart above. Personally id go for the samsung 850 evo series 250gb and the only reason id do so is if you say pull them out of your unraid array to replace them with something still larger a year or two down the track and reuse them by redeploying them as single drives like say a boot drive for a nas or a htpc then those are the ssds id prefer to be.
The server will then notice a guid mismatch and offer a replace key button the toolsregistration page. Also you will learn how to upgrade or replace an existing cache drive and how to crea. How to upgrade cache drive or cache pool on unraid youtube. Recovery from a failed drives is pretty simple, just stick a new drive in and start up the rebuilding process. Add in a cache drive and you also gain some benefit.
Unraid can be configured to have up to two parity drives. Lime technologys unraid 6 brings containers and virtualization to nas units. Apr 30, 2015 in my case i mount a drive that is outside of the array, i call it the system drive and it holds all the configurations for my docker containers. I need to replace a dead drive, swap to my thermaltake 3in3 module for a coolermaster 4in3 module, and ill finally have twelve drives in my coolermaster case, and four in the sans digital box. For example, 209 remaining drive life, 231 ssd life left etc. So under the hood unraid makes decisions about where that file is located cache or not. Apr 06, 2018 unraid is now able to do dual parity and dual cache drives for redundancy. It spins up only the drive stuff is being moved to plus the parity. Feb 14, 2020 is your unraid cache drive or cache array full. Prepare and boot the usb flash drive with the unraid software. This should be considered a work in progress until unraid 5. Additional storage devices can still be utilized directly with other unraid features such as virtual machines or the unassigned devices plugin.
So i wonder if a better procedure would be to replace the tepid spare with the new drive, and let it rebuild on to it. However, im intrigued by setting up the cache drive as a warm spare. In unraid, plugins were the go to in version 5 and prior, this was the way to install applications on your nas. Oct 01, 20 home forums hardware, software and accessories hardware components and aftermarket upgrades unraid a msata cache drive discussion in hardware components and aftermarket upgrades started by frozensolid, oct 1, 20. For example \\tower\movies\comedy where the comedy folder on the unraid may actually span multiple drives or, in mb3 i can map direct to drive shares \\tower\disk1\comedy \\tower\disk2\comedy is one. That way, the array stays protected, and you no longer need step 1, copying all of the data to the new drive. Aug 14, 2012 how to set up unraid nas software with plex media server and tvheadend posted on august 14, 2012 unraid nas software has some very impressive plugins that enable your media server to to serve all your media files with their meta data information and live tv stream on any device such as htpc, ipad, apple tv or raspberry pi. To replace the hard disk components which operate incorrectly you can go to a service center or a special laboratory dealing with hard disks. So after reading many threads on nas software and the fact that i dont want just a storage computer i decided to bite the bullet and make a quite overkill server, but i need some help with the cache pool drives.
This is an update of a previous article to incorporate changes for unraid 5. I added a smallish ssd drive to the list to be used as a unraid cache drive. All my unraid shares are cache enabled so writes go directly to a raid0 ssd cache pool thus i can saturate my 10gb link. Best way to map to unraid user or disk share posted in generalwindows. With the unraid and using a cache drive i can get several times the speeds i get when writing to my whs which makes it great when i do backups and images from multiple pcs concurrently. Unraid tips and tricks setup, plugins, dockercontainers plex, tautulli, deluge, sonarr, radarr, jackett, rclone, krusader. There are software clients for things like network file accelerators that cache data on your machine and. Change all shares that you want to exist only on your cache drive to use cache disk. Written for unraid v5, not fully updated for v6 but should work ok.
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