Best ssd for unraid cache. Data on HDDs, yeah that’s gonna be really slow.

Best ssd for unraid cache. It I have a fairly old 30 GB SSD hanging round and a spare SATA port in the server so was thinking about the best option to put it to use. My speed is around 50 MB/s. Are there any kind of best practices with regard to matching brands/specs or is capacity size really all that matters when picking a Recommendation SSD (cache drive) server. For The all Samsung SSD configuration is very promising, I have read from many different places on the internet that an all SSD array is the way to go, giving the best overall read and write performance. Plex, MariaDB, InfluxDB, AdGuard, Grafana, etc), VMs and my cache for Now again, if you are looking for ultimate speed, you should instead be using NVMe or SSDs in cache, preferably 1TB drives at a minimum because they typically have Ryzen based server, standard Unraid configuration, SATA disks and NVMe Cache. I actually have 6 Intel S3520 960GB for Go to unRAID r/unRAID. All of those folder with the same I've currently got 2 x Intel 730 480GB SSD's in my cache pool. It's only the past year or so that I'm redoing my cache drives and splitting them up, I,e vms, dockers and downloads. While unRAID won’t stop you from doing this, SSDs are only supported for use as cache devices due TRIM/discard and how it impacts parity What makes Btrfs the perfect system for cache pools is the fact that it supports various levels of RAID in multi-drive mode. A TV show is viewed very few times or once and then dropped altogether. * with Jumbo frames, or fragmenting the data into three 1500 byte packets Do not use ssd in the unraid array. All good suggestions when SSDs were expensive smaller, and PCIe Set System/Appdata shares to Cache: Prefer and use a SSD cache. Did you set the BTRFS array to raid 1? The problem you listed, which is unrelated to actually having a BTRFS array or not, is a common issue with BTRFS. You can (optionally) have a pool called ‘cache’. They also recommend avoiding dramless and qlc nand based drives, this is especially true for cache drives. This particular SSD looks to top out ~440Mb/s from some of the guru3d testing. Ideally your appdata should only live on an SSD (cache) as the speed benefit is Main, Cache Device, Change the format type to what you want. All your dockers and VMs go there. Is it worth the extra Hi, Today i merged my unassigned SSD/data back into the main pool, and now have 2x 1Tb drives in a SSD cache pool for a 3x 4Tb HDD array. Reply reply More replies Unraid's native XFS or BTRFS file systems deliver good read speeds for most media server users. I've known for a long time ever since I first started research Unraid SSDs ""cannot"" be used in the storage pool(s) and only as cache drives. As well as my array hdd drives, I have 2 drives samsung 980 pro nvme If, each night, I were to image a . Would it be better to move to ZFS over btrfs? Each pool would be a single drive (ssd or nvme) Would they benefit from snapshots For backups? Thanks. If you have a power outage the btrfs file system can be corrupted pretty easily. I am thinking that most of this is due to the fact that drive r/w speed outside of a cache drive is slowed considerably in unraid. One thing that I've struggled to figure out is the best possible setup for my cache/SSD. If you do not have a cache drive, will store on the array, and if a cache becomes available the data will move to the cache. The caching effectiveness depends What is the optimal way to configure 10x 12TB Western Digital Gold HDDs and 1x 128GB SSD to support a VM that will potentially have 1Gbps of traffic flowing into it 24/7 The array is set up to use 2 of the 10 drives for parity. com/show/9799/best-ssds. Currently I use WD Greens - mainly because they are cheap. Subscribe. I plan on That’s what I’m saying, don’t need 1 TB for appdata, but I do like to have that much as an array cache. https://www. Store docker/VM I am new to unraid and I'm trying to figure out what the best SSD would be for a cache drive. Determine how much data you'll copy to and from each day. Some times when the cache is full and Mover Prefer: Will store on the cache, if the cache is full will move to the array. Will be backed up every night Cache 2 : 2x1TB NVMe M. So what I am wondering is if I can setup my V/M's on a separate ssd outside of the raid (yes I know it isn't a "raid" in unraid but that is the best way to describe what I'm saying) to get better read/write speed. It may or may not be used for ‘cache’ functionality. That is the way most people do it. Would these ssds be durable enough for download cache as well as The best cache drive will be dictated by your particular use case. I hope someone could help me. Move takes forever but that runs at overnight so i don’t care. When you cycle out your SATA to SAS disks sell said disks for another 240GB (or higher) SSD drive. Samsung has a pretty Doing some updates to my server and seriously considering swapping the 500gb hdd cache drive for a pair of 1 or even 2tb ssds and perhaps moving the appdata off parity to speed things up as well. By jeffreywhunter May 2, 2015 in General Support. A share is really just any top level directory on any array or pool disk. I leave my cache drive sitting until it's nearly full for the mover to quick in, this way I get quick access to files. This drive is rated for 7,450 / 6,900 MBps of sequential read/write Basically I've had a single m. One major factor for me would be power consumption, so the SSDs shouldn't block higher C-States. XFS is the best choice for most users using single device cache, unless you need the btrfs features. The Mover runs daily and frees up cache each Prefer: Will store on the cache, if the cache is full will move to the array. All my Docker-Containers + the term cache is often used in two different contexts with Unraid. Is there a list (wiki??) of SSD working in btrfs Cache Pool ? Every ssd made. I genuinely thought that since the errors had quit I was good, but no. dmg (disk image file) of a Mac hd ( 1 terabyte of data) to an unRaid server that had a 256 gigabyte SSD as cache, how would unRAID handle I currently have a 500gb SSD as my cache. Posted May 2, 2015 Why you don't see this capability used is because for certain media types photos, movies, TV shows, family recordings there's no sense in caching them. New - DARK - Invision (Default) New - LIGHT - Invision . If you're doing a TON of writes you want SSDs with the highest write endurance possible. My recently destroyed btrfs SSD cache drive was using the UnRAID TRIM utility (on advice from other UnRAID users) and succumbed after a couple of months, turning read . So a SSD cache might not do the trick at all. Posted but it appears to be positively dangerous. SSDs as Cache drives. media server with usenet or torrent). Data on HDDs, yeah that’s gonna be really slow. Best cache setup with 2 different size SSDs Best cache setup with 2 different size SSDs. So now people can have 256 GB SSD cache and 2 TB HDD cache for what they would have paid for 1 TB SSD cache, and they’re saving in writing data to the SSD just to nave it moved to the array a few hours later. I’ve got 4x1TB SSDs in my cache array. This machine will Rather than just thinking of the cache drive as traditional cache for your array, consider the other benefits. I am currently using a 250gb nvme cache drive, which is used to cache "large" Files I transmit over my 10gbit*s Network. Set media unpack shares to Cache: Prefer and use a SSD cache (preferably a separate cache from System/Appdata), or RAID 0 HDD cache Reading from real disks is about 290MB/s with best conditions, writing to SATA SSDs should be almost twice as fast and writing to NVMe SSDs will be five or even more What's your network running? I have 10GbE between my workstation and server and would love to go NVMe cache to see improved transfer speeds, but the server motherboard only has a Having run with a only 60gb cache pool (60gb & 120gb) for a few days i know both the value of having a larger one and was looking into buying a couple of new drives. My unRAID has 2 Parity disks and encryption on. By virtualoftheday May 25, 2020 in Pre-Sales Support. I added the SSD as a cache drive and I set up a share on the array. Quote; jebusfreek666. Best Drive Setup in Unraid? Help I bought and installed drives thinking I would be going for a more traditional hypervisor, but I am intrigued by unraid and am keen to use it instead. 5 with: 4 x 4 TB array SAS disks 2 x 4 TB parity SAS disks 2 x 1 TB SSD (SATA) cache disks 2 x Xeon E5-2450 v2 CPUs (32 cores across two physical sockets) With that said, I would like to use an all SSD array on the R730 to keep whatever I run on it, "fast". Subscribe My cache SSD had been throwing regular SMART errors for a few _months_, a couple sectors here, a couple there. For example, the PCIe 4. 4. You can read about it here if you want. Plex, MariaDB, InfluxDB, AdGuard, Grafana, etc), VMs and my cache for my array will reside. Add space in for Dockers+VM. If you can I’d use the 4tb as parity and then 2 smaller drives as data. I just grabbed the cheapest There are 2 major uses for the cache drive: Speed up, uploads to the server. The "Mover" then will copy them to the protected array at a time/interval you set. Like 8 TB in a single copy. Jump to content Stay informed about all things Unraid by signing up for our monthly newsletter. Members Online • misterezekiel. I set the "Use Cache Disk" to "Yes". 2 ssd for cache for about a year now, and have just now added a second m. This is to increase performance to applications that live in that pool as Docker Containers or Virtual Machines. 5. Just know it has changed a lot since the time of writing. However, I uninstalled the preclear plugin/app What is the recommended choice when using a single cache drive (nvme), XFS or BTRFS? I'm not planning to add another drive to the cache-pool. Plug in the SSDs and create a cache pool while the array is stopped. Reddit . My unRaid system primarily does the following (in order of usage): Sonarr/Radarr/sabnzbd - amount downloaded varies Hosts file shares - usage Say you set that as your cache drive and set the cache minimum free space to 32 GB. But they keep failing (which doesn't surprise me - being cheap entry-level SSDs and being that they are Age-old wisdom says to use an SSD for heavy IO activities like rar unpacking, an SSD for Plex metadata, an SSD for Media, or other Share’s caching. I have, and would, run used Enterprise SSD's on high load cache pools. You dedicate drives to one pool or the other. EricDArneson • The btrfs file system is the default for the unRAID cache on SSD drives. Link to comment. It allows you to put the movement of the media files off until when you are sleeping, or other Unraid does try to abstract away things as much as possible, so for a cache pool, I'd say Btrfs is the best as it's the only way to achieve any sort of redundancy (2 or more disks in the pool). anandtech. Theme . If the cache disk is an SSD, then yes, that's an important feature. This is relevant for your Unraid system as it allows you to configure cache pools as RAID 1 for data mirroring or RAID 0 for speed. Best NVME for Cache in Unraid . Followers 0. This happens every 1-2 weeks one time but in reality all is good and there are physically no issues. This is a known problem with Crucial and unraid and i guess it will be fixed in the future. What i'm trying to work out is I use 2 SSDs for my cache. ADMIN MOD Best cheap SSD for cache? Quick question, does anyone have any recommendation on a decent cheap Hey quick question before I buy new Stuff. Installing Cache Drive(s)# switch all the shares that you wish to store on the cache drive to Prefer, before installing the drive(s). All had been quiet for about 3 weeks, and all of a sudden the SSD no longer existed as far as the disk controller was concerned. I know enterprise grade SSDs are what a lot of people prefer. It stops being an issue with files over 1 MB. I use 10GbE so my backups to the server from my various machines are really fast. The Unraid cache setting for each share defines how data on that share uses the cache pool. This should help give a good idea of the cache size. 2 ssd because I want the cache drive to be parity protected. 265 streams). In that case, two videos have been created for a step-by-step guide Many users leverage SSDs for the cache pool in Unraid 6. Primary use will be software dev on windows vm. There is a write cache in RAM, it can’t be increased in size. Keep SSD as Cache, use that drive for docker, move all spinning disks to Data disk. There are multiple threads weekly about performance issues with BTRFS. I upgraded to 6. This, until very recently, was THE reason for a cache on unRAID. Having the appdata share on an SSD Also, how slow is an UNRAID system if you do not have an SSD cache drive, what are the typical read / write speeds over a network? In other words, what is the best possible Cache 1: 1x1TB NVMe M. The real benefit here is when multiple clients write to UnRaid. I thought using 1 TB SDD cache might be faster because it writes to the disks even when no operation is active. Some gaming and some docker use. I'm looking to get two 1tb SSDs (I use one for regular cache, one specifically for VMs), preferably under $150 each, and with my current setup, they have to be SATA. Right now my System is Running on 3 ssd in Cache Mode with all VMs on it + Docker. I've also read 10's of posts that seem to kind of contradict that. If you just put it on your cache disk, unRAID has already taken care of all that. Are there any particular Do not assign an SSD as a data/parity device. 11. This is relevant for Im building my first unraid server. 16 4k cameras are writing to the cache array 24/7 (not motion triggered but 16 24/7 4k h. The server will be in the I have two SATA SSD for a cache pool which essentially is used for all docker appdata and my downloads, then I have an NVME unassigned drive with windows on it, to get the maximum What do I need to properly execute SSD Caching? Here we talk you through the components you need! If you’re using an Intel processor. It can be increased in size with L2ARC in SSD, but get the ARC stats before you do: If your working set fits into ARC, there’s no point. Here is The cache pool setup I planned would be a Raid1 (zfs) with 2x 4TB NVME SSDs, on which my Docker AppData(ex. It's always a good idea to keep backups and there is the CA Backup / Restore Appdata plugin. However, you should know The cache pool setup I planned would be a Raid1 (zfs) with 2x 4TB NVME SSDs, on which my Docker AppData(ex. While Plex has been serviceable for me during that time, I suffered all sorts of random performance issues where libraries were So I'm knee deep in wrapping up my first unRAID build, just a typical dual Xeon setup. SSD caching can provide a significant performance boost for workloads with a high proportion of repeated reads. I expect/think I should be able to hit ~400-500Mb/s when I move to 10gbps. 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 Btrfs is the only option if you want to use multiple drives in your Unraid cache pool. 0 Samsung 990 Pro is our current choice for the best SSD overall, and the best SSD for gaming. Reply to this topic; Stay informed about all things Unraid by signing up for our monthly newsletter. 2 - Used for appdata/dockers/vms. Subsequent reads of any data in the cache are served from the SSD rather than the HDD, improving overall performance. I was just making a suggestion Today I'm upgrading my cache drive on unRaid. A HDD based NAS without an SSD cache is never going to be useful for small files. reReddit: Top posts of Best Practices - Plex & SSD/App Drive Best Practices - Plex & SSD/App Drive. In addition to that, RFS also has the known issue of slow writes when a disk gets nearly full (over 90% or There’s no such thing as a “data” or “parity” drive when it comes to a cache pool. Top posts of December 5, 2019. UnRAID has two pools to setup: cache vs data. When you assign them both to the 1x1tb SSD usenet cache pool - shares set to Only Current UnRaid implementation is the best storage and multimedia server to date having done this for decades. Notably SLOG is not a Crucial SSDs may leave a Unraid message/warning that sectors are pending and a few minutes later unraid responses that everything is fine again. The full potential of an SSD Cache (strictly talking speed) wont be realized until upgrading from 1gbps to 10gbps. Using your SSD NAND memory as a I've been running a Plex server for a few years via Unraid. Other than that your setup is pretty standard. Add 2x SSDs (~1TB) as mirrored cache pool Create /media to store movies, tv, music : and you can have multiple shares on a single drive. r/unRAID. Btrfs is the only option if you want to use multiple drives in your Unraid cache pool. e. Originally I was using a Sabrent 1TB NVME drive, but between heavy usage and a recent BTRFS bug that increased The SSD cache stores copies of frequently accessed data for low latency retrieval. That means the largest single file you can write to a cache enabled share is 200 GB (232 - 32). Start new topic; Recommended Posts. jeffreywhunter. Thank you (both) for the advice. There is a read cache, ARC, in RAM. Zfs is best for ssd right now. 2 in RAID1 - Used for nextcloud server storage. If you are looking for high endurance, there are a lot of Intel Enterprise SSD's. With Parity it always has If the data resides in SSD you’ll get it back at 550, if you have NVMEs you’ll get it at full 10GbE. I copy large files and may files to my unRAID server. VM on the other hand with deduplication will greatly benefit from a SSD cache, or even better they're stored on SSD's. If you do not have a cache drive, will store on the array, and if a cache becomes available the data will Cache is good if you are doing a lot of downloading (i. One last question. On top of that the cache drive is still used for storage array writes (mover runs nightly). 1 and all looks good. For example, I use a cache pool of mirrored Inland 1TB NVMe drives for Anyone have any recommendations or do's/dont's on selecting a SSD for a cache drive? I'm interested in the new Force LE from Corsair, as the price is right. I'm looking to double that capacity by adding a 960GB drive. Its With a cache drive: Unraid 4. I also have some dockers running entirely in cache. I have a Dell R520 running unRAID 6.

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