Unraid nvme cache pool. Make sure the cache is setup in RAID1.

Unraid nvme cache pool 2 auf 6. Shutdown Docker service. Then run Mover and wait. Unraid cache pool, disk fails: Stop server, replace cache pool disk, start server Array/pool will start up with Hello fellow Unraid users, I recently purchased a new cache drive for my Unraid server. Today i've run into an issue where a share that Hi Zusammen, vor ca. Ich nutzte z. Note: Your post will require moderator approval before it will be visible. I did some searching but couldn't seem to find a solution to my particular problem. 2 slot. Join the conversation. I've been exploring the for With the release of Unraid 6. I have a cache_nvme_one and a cache_nvme already. Nun hab ich vor ca. Stay informed about all things Unraid by signing up for our monthly newsletter. Pool hat 1x NVME mit 2 TB. I tried pathing the vdisk to the cache drive I also tried pathing the libvirt. (NVMe2 Evo970 Pro) Nachdem herunterfahren wurde der Slot gereinigt, und die Disk wieder eingesteckt. Current Setup: Array (10TB parity, 2 - 6TB drives), 2TB cache drive, 1TB drive intended for VMs (not set up yet). des Mainboards schon beschrieben - bin ich in der Unraid Welt noch sehr frisch. I installed the old NVMe and 2nd SATA3 Cache Disk 1. 03GiB path /dev/nvme1n1p1 SSD TRIM invalidates the parity data. I currently have a 1TB WD Black cache drive which I am looking at replacing with a NVMe 1TB drive, and I was thinking of getting a second one as well and adding it to a cache pool. However, the server is on my network and pingable. I've recently upgraded to 6. If you are talking about some other OS, you won't find the answers you are seeking in these forums. Spaceinvader video, I think it was, questioned the need for cache:only but to me I see value in it as I dont want the mover to attempt anything on some larger pools is my thinking. Der Befehl "btrfs fi show" zeigt mit den btrfs pool mit der UUID an: Label: none uuid: a21a8035-4f1d-4569-9a7c-3e804cfd6d69 Total devices 2 FS bytes used 262. In most situations the cache fills up the array at night. 2x1tb NVMe as main cache pool. Und deine NVMe SSD ist ein Single Cache Pool. Naja man spart sich einen extra Datenträger. Start the New cache disk - old 500GB SSD. 2 Steckplatz auch nutzen und nicht verschwenden? Wie wäre es wenn du einen ASM1166 M. The overall process of replacing a cache drive looks something like Make sure the cache is setup in RAID1. the concept I brought up was to make the cache pool larger than the capacity of a SSD so like 8-12 TB for instance and use the mover tuning plugin to keep recent media content on the cache to speed up access over spinning disks and save on power because they can spin down more often. no restart or shutdown. I consider that data completely disposable and don’t run backups on it. Plex, MariaDB, InfluxDB, AdGuard, Grafana, etc), VMs and my cache for my array will reside. Transfers from my desktop PC (i7 6700k, gigabit, ssd etc My current cache drive is a single Crucial MX500 SSD 1TB (CT1000MX500SSD1) over the holidays I got a WD Black SN770 2TB. 03GiB path /dev/nvme0n1p1 devid 2 size 465. Cache: Unassigned 2. Ich habe testweise "nur" die domain" Share darauf gelegt (Prefer) und test ein wenig mit einer VM. If I expand with a quicker SN770 for example or slower Intel P660 what will happen to overall pool read speed and when for example the 3D nand fills up, what abou Hi All, I am new to unRAID, but love it so far! I have been setting up my personal server for the last few days and have it setup almost completely. In my opinion the 1TB nvme is going to be plenty for a cache drive as you get comfortable with Unraid. this is also one of the main reasons why ZFS is dumb in home servers. Not wanting to throw the Samsung away, I just pooled them (I'm sure you know where this is going). Hi zusammen, ich bin gerade dabei meine Laufwerke einzurichten. I figure my options are: 2 x NVMe drives in the x4 slots in a mirror configuration or; Join the conversation. We had an extended power outage overnight and I'm rebooting my Unraid system today. so cache:no means straight to the array and cache:only means use the pool as a persistent store. I was trying install a new m. My initial thought was - buy 2 slower m. That pool will be created as a btrfs RAID 1 (mirror) but you can also use RAID 0. Randomly looked in my syslog this evening and saw that one nvme drive in my cache pool was dropped. Beta 22 got the latest version of smartmontools (6. On black friday I bought a second nvme ssd to run my cache in mirror, only to find out it's not possible on XFS. My app cache is 2x 1TB SATA and my download and share cache are 1TB NVME SSDs so speed is not really an issue overall as everything is fast. Ich habe beide Polls als btrfs (verschlüsselt) angelegt mit einem 128-stelligen Passwort von Bitwarden. Nvme cache pool btrfs errors New hardware upgrade and working through some issues and when I’m transcoding plex it seems to crash the cache pool and cause docker image to shut down. Please see logs. 2 nvme to pcie adapter. One 2. Warum meldet er bei 500GB statt 100 Hallo zusammen, habe in letzter Zeit ein etwas merkwürdiges Problem: Ich hab zwei Samsung 980er NVMEs als Cache verbaut, mit nem kleinen Passivkühler, da sie recht warm werden wenn ich über 700GB am Stück schreibe. 10. Cores 4:5 + 2GB ram assigned to HomeAssistant Basically I want to mirror my current NVME ZFS cache pool to the new NVME drive. I use the pool for my dockers (sonarr, radarr, sab, plex), and my downloads. Unfortunately, I accidentally added this new NVMe M. However when attempting to create a cache pool with these two NVMes, I am only able to select one and I do not see any unassigned disks if I have /dev/sdl selected in the cache pool. 0 x2 slot. 2. 9 and rebuilt my cache pool with 1MiB-aligned MBR. Different User Shares can potentially use different pools to act as their 'cache' although that is rarely the way Users do it. Should appdata and usenet unpacking be on the same cache drive? Or have two cache pools? I have spare sata SSDs I could throw in simply for separating apps from active downloads/unpacking. if you use btrfs (the unraid default) you can just slap in a second drive and it will raid 1 it automagically. Cache 1: 1x1TB NMVE M. If I lost that drive I would I have several kinds of cache. Is this something I should be doing regularly? I have a 2nd NVMe cache pool in raid0 for docker data and temporary download cache/location. So I thought stop the Server, replace one of the two disks and start the Server. M8trix. Upgraded NVME and setup as a single Cache Pool. In multi-drive mode various levels of RAID can be supported. 9GB And free space is decreasing a bit (MB or even GB) day by day (sometimes increase again but not much) even though docker. using a cheap NVMe-Drive as cache and just replacing it after it‘s been written to death was my plan all along 😅 Now, with the second one added to the cache pool (which is still fresh and will last some time), the first one can die silently without me loosing any data 😁 Since you may be wondering why I'm using a 4tb HDD as my cache --- I'm fairly new to Unraid, and I came from five years of running Free/TrueNAS which didn't use a cache drive. All went well, but now one of the pool drives is missing, they are both recognized by the BIOS. Posted July 15, 2023. 8. I notice there is M. Unraid alt: Stell bei den Shares alle prefer und only Caches auf Yes mgutt. Dann hast du eine super schnelle SSD für Anwendungen Anderer Vorschlag: Du willst den M. It's formatted as a ZFS RAID0 (striped) if I remember correctly. I have a separate ssd for Plex. drops to lower speed occur, when the destination is a cache only share. Quote; JorgeB. zip 6. Now, the new drive is showing as "Device is part of a pool. ok, let it be like that, but if I create a folder called "appdata", my appdata share seems to loos the conf. I moved the system and app data folders after stopping docker and vm services to the array using the new built in file manager to move them. While I wasn't sure, I suspected I may have run out of memory(now think that's wrong). Pool mit 1x2TB möchte nicht starten. Back up anything you need to another disk/device, when done let Unraid format the cache and restore the data Unraid OS Support ; General Support ; Planning on the 7 upgrade from 6. Quote; Link to comment. (Cache Devices nvme0n1 Unmountable disk present:) Dieses Laufwerk war Bestandteil eines Cache Pools aus 3 SSD-Platten (Cache SAMSUNG_MZVPV128HDGM-00000 Setup OS - I am running Unraid 7 (now), but this behavior started under 7-RC2, and the ZFS pool in question was created on Unraid 6. For gaming VM I will use another nvme drive passed through directly, but I still prefer the system itself to be in the image file on the cache pool. The motherboard has 2 x PCIe gen 4. Moderators; 69k Hi, Over the the past couple days I discovered an issue which prevented my cache drive pool (2x 1TB nvme ssd's) from working - it was on a read-only state. 00 TB] Namespace 1 Formatted LBA Size: 512 Namespace 1 IEEE EUI Today I'v got alert that one of my Pool nvme ssd's went up to 84°C. 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 Hallo, heute ist zum ersten mal, nach einem Jahr, der Server abgeschwirrt und hat einen Neustart gemacht. img (unless I can move Hi all I am trying ot add a WD Black NVME drive as a cache drive and getting a weirdd issue . Cache Pool Design RAID-Z1 Cache Pool: This is straightforward, provides redundancy, and boosts write performance. I am currently using a 1tb nvme as an unassigned device for my containers and vms. As of right now SSD's are only supported as unassigned devices and cache pool's this is wrong, only certain old controllers that are lazy with dealing with trim will cause issues (that 0 aggressively discarding data in favour of faster trim expecting integrity to not be relevant, I've not come across any that actually do that yet), I'm using 4 2 x 1 TB NVME (Cache für VMs) 1 x 500 GB NVME (default Cache für MagentaCloud via rclone) Einen Pool "Cache" für appdata und Cache und einen Pool "VMs" für die VMs. 2 ist der Cache Speicher SAMSUNG_MZVPV128HDGM-00000_S1XVNYAG909211 (nvme0n1) nicht mehr lesbar. I was thinking of using a pair of NVME disks for a mirror cache pool, and using First, let’s go over how cache works in Unraid. New - DARK - Invision (Default) New Nach dem Update Versuch von Version 6. Unraid is pretty forgiving, hardware and setup is pretty easy. I have the traditional SSD & NVMe cache. Jetzt bin ich mit den Einstellungen für einen sparsamen 24/7 Betrieb zufrieden. also good to keep in mind running the mover after unassigning the cache from the shares will not move data back to the array! Best to set to cache yes, stop all apps/vms and everything then run mover, then just to be safe, manually check there is nothing stored on Booting it back up today, the cache pool has also reverted to how it looked at the start of this thread. - all appdata, vms, small shares - set to prefer or Only 1x1tb SSD usenet cache pool - shares set to Only 1x3tb HDD seeding cache pool - shares set to Only The experienced UnRaid community appears to prefer you try and decide for yourself. Unraid will no longer let you have a pool and a share with the same name. I ran a balance and a scrub and eventually stopped the array. P NVME vs SATA SSD Cache Pool? Currently I have 2x Samsung evo 250 gb sata SSDs (regret not getting 500 gb lol) for my cache pool. te neue NVME den Pool zuweisen - Array starten und warten bis die Daten kopiert wurden Nachdem Neustart, Array Stoppen oder das entfernen einer NVME aus der Cache Pool Cache Pool Options (NVMe): The three 1TB NVMe drives are versatile. I'm planning to use my NVMe drives as a ZFS pool to host 1-2 VM's, about 20 dockers, and to act as my array cache. Now I did some testing with a nvme drive a few months back and with a lack of understanding on my part I ended up with a cache pool and I managed to search enough info to get myself back in a working state so until the reboot today I've been able to user my 500GB SSD as my cache drive and the nvme drive is just mounted using the unassigned I replaced my cache drive about a week ago and also added a second drive as a raid1 pool. After swapping the new drives in those two folders seems to have swelled in size for Partition format: GUI shows "Partition format: unknown", while it should be "GPT: 4K-aligned". 2 Wochen das Update von 6. after short research I have found that it is wrong. 4 x 12TB Toshiba HDD as unraid array (xfs) 1 x 1TB Samsung 970 pro as cache pool (btrfs) 3 x 1TB Samsung 970 evo plus windows pool (btrfs raid 0) Cores 0:3 un-isolated. Der 2. win11->unraid(nvme raid1 cache pool) nvme-cow: 01:19 nvme-nocow: 01:37 hdd*1(xfs): 01:34 win11(pc)->win10(pc-vm): 39s sftp win11->unraid(nvme raid1 cache pool) cow=nocow=hdd*1(xfs)=10s Quote; akami. Currently I have an array with HDDs and a single SSD cache drive. This guide covers how to use cache pools as a pseudo read cache. 4 Number of Namespaces: 1 Namespace 1 Size/Capacity: 1,000,204,886,016 [1. 9. The parity array is the primary pool, and it's the only pool that works with the Unraid special sauce of independent file systems on each drive with the ability to mix and match sizes, with a dedicated drive to add parity protection for 1 or 2 device failures. Understood and I keep the type of data you mention above on my SSDs. If no free space exists, tough shit, bad stuff happens. I myself have the cache pool as a raid 1 pool with 2x ssd's (NVMe in my case). I have an HPE DL380 Gen9 server with 2 PCIe adapters for my NVMe drives There are 2x WD Blue SN570 1TB drives setup in a cache pool, using 1 for redundancy I was noticing that when transferring to my shares from Windows I was getting only around ~500 MB/s when it was NVMe -> NVMe transfer. I just came across the option to schedule "Balance" and "Scrub". You can (optionally) have a pool called ‘cache’. I can do a full shut down, and power cycle the server, however within a days to a week, the drives will show an asterisk for the temperature Cache “Only”: new data is written to the share’s assigned cache pool. Posted February 28, 2023. 6. Cache Disk | Unraid Docs 4. Afterwards I tried to enable docker and VMs only to find neither of them would work. And I added the VM Backup app. December 28, 2020. JorgeB. You can have multiple drives in a single cache pool. I don’t use a pool but believe it is what you’re looking for. Posted November 11, 2019. Those being that btrfs RAID-0 can be setup for the cache pool, but those settings are not saved and "revert" back to the default RAID-1 after a restart. 10 my inter-cache transfers are blazing fast2-3GB/s when moving large files within the cache pool. Too many personal use cases and virtually unlimited flexibility means Unraid version: Version 6. I have all four drives in the chassis and did a pre-clear on the new drives. The problem is I can only set to RAID 0 unless I create a new config. Stay away from anything but raid 0 and 1 and have good backups. 5) Smartmontools supports NVMe starting from version 6. Only in the cache pool is RAID supported. Followed the 'The "Remove Drives Then Rebuild Parity" Method' here: Shrink Array | Unraid Docs 3. I have a ZFS NVMe cache of 2 drives, 1x WD_BLUE SN550 rated for 2,400MB/s read and 1x Crucial P3 1TB PCIe Gen3 3D NAND 2,500MB/s read. 2, and just purchased the pro version of Unraid today. 9-beta25 to check out the multiple cache pool feature. wie kann ich ein backup von der NVME machen ? ich hoffe mir kann jemand helfen It has no redundancy since it is a single disk pool formatted XFS, but I backup appdata and libvirt to the array with CA Backup plugin. Run I’ve got 2x1TB nvme for cache and it’s not enough lol 4k remuxes download slow and when you have a couple of them queued up the incomplete files stack up really bad. I got a warranty replacement on the nvme drive with all the errors and attempted to rebuild Hi, I'm a bit new to unraid and setting up my first server. Everything was working fine but then my dockers went offline so I Hi all! I got my hands on a LSI Megaraid 9460-16i card recently, and it supports 1xNVME/4xSAS/4xSATA on each of its 4x SFF-8643 connectors. 2 drives (500gb) and put them in a cache pool - then stick the old 250gb ssd in as an u Komisch ist m. Bisher keine Unraid bietet mir in weiterer Folge an die SSD's zu formatieren. Members; 8 Author; Posted February 28, 2023 (edited) via docker: drakkan/sftpgo: I'm redoing my cache drives and splitting them up, I,e vms, dockers and downloads. 76GiB used 285. auch, dass die Cache-nvme nur mit 208GB belegt, gleichzeitig aber meine Datendisk 1 nun um beinahe 1 TB zusätzlich belegt ist. This was the name I used. Theme . It looks like the new ZFS options would be good for this? (At least in 7. I followed the above instructions and it seemed to work well (BTRFS copy was successful) but instead of simply unassigning the drive (and keep the slots to 2) to let unraid rebuild the cache, I changed the the slots to 1, which caused some issues. img and libvirt. Unlike the array, this is a RAID which will mean that you will have to move the data from the drive to it doesn't seem to be network speed related. Storage pools is a much better description. Dein SATA Pool ist Ideal für Private Shares oder Datein, Backups etc, deine NVMe als Cache Platte, zb für VMs. 7. Cache can be SSD or HDD based. Unraid neu: Stell bei den Shares überall den Secondary auf "Array" und die Mover-Action auf "Cache to Array". Thanks mousiee, I have 4 sata ssd 2. So what does this new functionality offer? Separate - Unraid wieder starten - 2. " This wasn't my intention, and I realize So i added the new nvme drive to my cache pool and realised it was set to raid1 when i did that. 2 drive. which practice is better, using a cache pool alongside an unassigned drive for backups, without the use of array and parity drives, or using 1 SSD for the cache drive, 1 SSD for an array drive, and a third unassigned drive for backups? Stay informed about all things Unraid by signing up for our monthly newsletter. if I change So, I recently decided to upgrade my SSD/Cache set up and purchased an NVMe drive for my unRAID box. Ich habe vor kurzem aus verschiedenen Hardware-Altbeständen und neuen Laufwerken einen Unraid-Server aufgesetzt, welcher eine alte RPi-Lösung dauerhaft ersetzen soll. The default in Unraid for a cache pool is RAID1 so that data is stored redundantly to protect against drive failure. My "cache" pool is 2x500G SSD btrfs raid1. Um weiter als C6 zu kommen musste ich auf 6. 5") in a RAID1. Each drive benchmarks to the expected speeds individually (2GB/s+). Wait until it mirrors all the data to the new drive. Key Considerations 1. This happened once before about 9 months ago. If you intend to run the unRAID OS on the hardware you mentioned, then yes, the NVMe SSD is a great choice for an unRAID cache drive. for that, I added an nvme drive, created a pool called "plex" if I create a folder called "test" on my nvme drive I will have a share appear without me having done anything. when i had the issue from the previous post the 'missing devices' warning happened overnight with the machine running. 2 drive to the same pool as my existing 500GB M. So I currently have 240 GB of SATA SSD in my box. I've been using unraid for almost 2 years now. B. 13 - QQ re the zfs pools I currently have for cache and nvme (my cache and my nvme pool) to zfs, and then implemented his sanoid autobackup system which has been working flawlessly. I stopped the array and unassigned Disk 1: 1. 2 drives: 2nd one does not show used/free space (using HDD in array vs NVME for Cache), are there any other downsides to storing appdata, domains, system (docker, VM, other?) on the Array rather than Cache? It's awesome how many features there are in Unraid and how all these various scenarios and options have been Nvme_1_cache: used 907GB free 91. Hello Unraid Forum, my Unraid server runs as media and gaming machine. However, I was wondering if I should flip this and make the Cache pool be mirrored and using the SATA drives, since I think the SATA drives will handle the constant writes of the Cache position better than the NVME drive does. . Wenn ich Mit v6. My setup will be: Cache Pools: 2x 2TB NVME for Appdata and VMs (mirrored) 2x 2TB NVME for Cache Array Pool: 5x 22TB HDD (using XFS) My question is: should I use ZFS for the cache pools or no? Curious what you guys are using. Pool möchte ich als Cache nutzen (Raid 0). 12. Hab dann bei ~475GB ne Meldung bekommen, der Speicher wäre bald voll und bei 500GB hat die Übertragung tatsächlich abgebrochen! Nun stellen sich mir natürlich zwei Fragen: 1. 9, we have included support for Multiple Pools, granting you even further control around how you arrange storage devices in your server. Longer answer: Loaded question, as you didn't give enough info to properly answer. Currently my Unraid system is running with a XFS cache pool for all my dockers and VM's. Since I don't really need any HDDs I wanted to simply move to an all SSD array. Just started using Unraid as I recently got into selfhosting, currently I have a 1TB 7200RPM Seagate HDD in array, and a Crucial NVME 1TB SSD for cache pool, which I did this because I read many posts saying not to mix HDD and SSD in arrays. I unassigned the old spinner cache disk, and the pool rebalanced again, as expected. But again, I don't need this type of setup and it wouldn't even read the data on the older cache drive because of some unknown Upon reboot ( from the unraid main page) I have the re-connection problem. New Hey all, I used to use an ancient Samsung 250 GB SSD as my cache, but when I rebuilt my server I sprung for a 1 TB NVMe SSD. I did a scrub and corrected errors. I replaced the drive with a Samsung 980 PRO and had intermittent issues getting this drive to show up in Unraid. You can post now and register later. 2 drive in my cache pool folowing instructions from the link below. Cache pool assigned SSD the name cache 2, made a pool, and balanced. I was able to mostly recover this time. Nach dem Neustart ist auf einmal eine meiner beiden 1tb nvme's aus dem Cache Pool verschwunden. SMART Info Back in 6. I also have spinning drives as cache pools. Typically, multiple cache drives are configured in RAID 0 (speed) or RAID 1 I recently upgraded my cache pool from two 250GB ssds to two 1TB ssds. Du kannst in jedem Share einen beliebigen unraid -Pool als Hi 🙂, I'm fairly new to unraid and everything seemed to be working well, until now. action Ich hab noch nicht ganz den Vorteil verstanden, den NVMe Pool in jeweils einen Cache Pool und einen SSD Pool aufzuteilen. Since then, approximately every 2 days the dockers and VMs lock up and trying to write to the cache drive returns a message that the file system is read only. By bkastner July 5, 2020 in General Support. x and upgraded in 7-RC2. Mover takes no action for this share. Current setup: 4TB Parity with Array devices: 2x 2TB and 1x 4TB + zfs cache pool with: 3x m2 ssd. Ich mein was hat dein Cache Pool großartiges zu tun? Oder planst du große Datenmengen zwischen unRAID und der VM zu transferieren? Das geht natürlich schneller, May 20 01:51:59 UNRAID kernel: BTRFS warning (device nvme1n1p1): csum failed root 5 ino 312 off 167505920 csum 0xa97b7409 expected csum 0x0b924732 mirror 1 Aktuell läuft das System mit den beiden M. A cache is more of a quality of life thing, but it is very highly recommended for almost all NAS builds to help take some of the load off of the array and make read/write faster. I had 2 SDD (one NVME and one 2. My primary cache is a pair of SSD drives (or NVMes on my system that To ensure data remains protected at all times (both on data and cache disks), you must assign more than one device to the cache function, creating what is called a cache-pool. in the process it seems I have messed up the filesystem on the drive. Cache pools can be expanded on demand, similar to the array. Edited June 11, 2021 by moogoos Hello, I upgraded the MB, RAM, CPU and added a video card for my Unraid server. As I understand, all my docker apps/plex (and it's metadata) will be stored on the cache drive (I believe). Hello, I would like to have my plex folder moved to a dedicated disk. I try to add it as a cache drive and it wants to combine it with my original 250GB drive and create a cache pool. Copying a 30GB movie as a test to my cache pool consisting of the following:- 250GB Samsung 840 250GB Samsung 850 256GB Samsung 850 Pro gigabit network, unRAID server has a link aggregation group with a quad port Intel gigabit network card. 2 Adapter 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). The nvme that was dropped is the older of the 2 drives. Cache pool meaning cache on the Unraid drive assignments or something else? Reply reply I have the traditional SSD & NVMe cache. I tried to follow the instructions here: As soon as I swapped the secondary drive in the cache pool and restarted the arra My setup will have 1 18TB drive as parity, and then 1 18TB, 1 8 TB and MAYBE another 14TB drive, and then a 1TB nvme drive as a cache pool. 0 RC8 "Cache" nvme temperature wrong would it make sense if you Here's a summary of my experience trying to do this : I had a 128 GB cache drive that I wanted to update to a 1 TB NVME. I have a 500GB NVMe set up for my cache drive (btrfs) and I'm experiencing some extremely poor performance. Since the cache has been running from a single drive for the past 17+ hours, should I wipe the nvme0n1p1 drive before re-adding back into the cache pool? Hab zwei Nvme 1TB als Cache in nem Pool und heute ~1,5TB Daten auf n Server geschoben. 2 NVME drive. It is an option supported when using a cache pool Hello, I'm about 6 months into my Unraid experience, and I cannot for the life of me figure out what my issue is. I've added that to the "Unraid OS" Syslinux Config and rebooted my server. Well now I realize my mistake, since RAID 1 is default I've been essentia Unraid Primary Server: Pool 1: 2x250GB SSD for appdata and docker. Assuming that cache disks work in the same way the arrays do, I added an old 60GB SSD (Cache2) to the existing Cache (128GB SSD). For Check out setting up a cache pool using both your NVMe drives. This worked as expected with 2x1TB pools, one protected with RAID1 and one unprotected. Can the SATA SSD and the M. Frische Laufwerke, welche gerade die Basis bieten, sind 2x8TB WD Red als Array, eine davon als Parity, und 2x500GB NVMe WD Red als Cache/Primary-Storage. The original drives are back in my system. 2. To my surprise the array comes up (different from replacing array drives). I decided that I wanted to migrate my cache pool to a new drive, going from 128 GB SSD to 1 TB I have 3x 2TB nvme in my cache pool. Initially it did, and I added it to the cache pool, started the array but I've recently setup my unraid server and have 3 hard drive in the array, 1 for parity and 2 for storage and for cache i started with a 250gb nvme and added a 1TB sata ssd a few days later. It give the flexibility to add, remove or even upgrade Wie im Thread bzgl. Everything is going great so far, but I wondered about this nvme cache pool. I'm guessing since it's using your CPU for that and well, for modern CPUs that kind of workload is trivial. Vm running on cache also shuts down. 1x SATA SSD 1TB 1x NVMe SSD 1TB Jetzt überlege ich mir eine zweite SATA SSD mit 1 TB zu kaufen und damit ein RAID 1 beim Cachepool einzurich Hey All I'm definitely still learning Unraid / Servers etc. I have come into possession of a 1TB NVMe drive Thank you Jorge. For the second part you basically change the path from /mnt/user/appdata/docker1 to /mnt/cache/appdata/docker1 in your docker templates (replace cache with the name of your nvme cache pool if it's different). My plan is dual NVMe drives for appdata as a cache pool, mirrored. This works great but I could use some better read performance. hv01-diagnostics-20220514-1953. Only then, did I n the reason why i have download cache and file cache separate is that i wanna be able to download till my cache is full without also filling up my share cache. No RAID controllers; no 10gbe, no 40gbe; no 100gbe; mostly no NVMe (though more users are starting to leverage those). E. Folgende SSD-Platten sind aktuell vorhanden für den Cache und einem weiteren schnellen Pool. That does not stop a pool being used as the 'cache' for a User Share as you set that up at the User Share level and can select any pool you have to provide the cache functionality for that particular share. The parity array is the primary pool, and it's the only pool that works with the Unraid special sauce of independent file systems on each drive with the ability to mix and Some kind of cache pool configuration for the nvmes, app data, including plex data as cache only or prefer. 2 Beta 18, unRAID started support for NVMe devices as cache/pool-disk. Cache pool is two 2TB NVME mirrored BTRFS About a week ago, I woke up to my cache pool being offline due errors. I have a Linux VM setup (on a separate SSD mounted with unassigned devices) that mounted the share and the performance on both serving a website and Hi, I noticed today, I am getting BTRFS errors. this is super confusing. I do keep a good backup schedule, but don't like downtime in case my cache nvme drive decides to fail. The latest beta also supports multiple cache pools. Subscribe. Made my appdata share only use the new Cache pool and uploaded my previously backed up docker configuration files. Mein Cache-Pool ist 1 TB groß Ja, ich baue Firmware Version: EIFK31. img location but nothing seems to be working. 2 SSD NVME be combined for the cache pool? If it's possible, what will happen to the data, particularly the appdata, on it? Short answer: Since you are starting with unraid, you will be fine with 1 cache @ 1TB. I can have a very good deal for 2*1To NVMe Samsung 970 evo plus for 90 euros (almost same price as the 500Go ones) Even if the cache size is overkill, do you think the configuration will be fine ? With multiple drives in the same cache will create a cache pool. @hammondses states, that he achieves full 10gbe speed, when using a ram-disk on unRAIDs side as destination for the writes. 5 (Samsung and Patriot) for the pool and planning to have 2 NVMe ssd for the cache. Der Erste Pool Startet normal, aber der 2. 2 2TB Pool - Currently I have a separate pool called 'apps' with a single NVME SSD formatted with The vast majority of Unraid users run on a 1gbps network with traditional HDDs in the array and SSDs in a software-managed btrfs cache pool. My NVME cache drives continue to drop out. I get a message NA smart passed, device not I recently installed 6. akami. Shut down unRAID, disconnected the SATA power cable from the 2TB spinner, Old Cache drive SSD 1T I added a second drive to the cache pool nvme 2TB Raid1, And let it clone it self. 13 I have a cache pool consisting of two 4 TB WD Red SN700 NVMe SSD. 5. On the monitor connected to the server there is a blank screen. 0 x4 NVMe slots, and 1 gen 4. But it doesn't seem to mount my previous cache pool (2 x 2tb NVME, zfs, raid1) The cache pool drives are visible but now in unassigned devices section. Server up and running for about a week. eine 1TB NVMe (xfs) für Docker + VM und mach regelmäßig Backups auf eine SSD die per UAD eingegangen ist. 1 Woche hat mein Unraid folgende Meldung ausgegeben: Event: Unraid Secondvmdrive disk message Subject: Warning [UNRAIDSERVER] - Cache pool BTRFS missing device(s) Description: KINGSTON_SA1000M8480G_50026B7682EAB561 (nvme0n1) Importance: warning Das Cache-Laufwerk war daraufhi It works great with my dual NVME cache pool. I use it to run VMs for work and gaming as well as some docker containers. Since it's all brand new, I went with the latest stable version, 6. Would combining the 2 in a cache pool be of any benefit or would it be better to just replace the old SSD with the new NVME drive? I also use another Crucial MX500 SSD 1TB (CT1 New to unraid. Basically using 2 SSDs together as 1 cache drive. update: after reboot it went back to normal readings. You could either use them for a simple RAID-Z1 cache pool or leverage ZFS-specific features like L2ARC, SLOG, or a special metadata pool. This supports all caching of important areas of my array. Currently it bothers me that all 3 of the array devices bring a new zfs pool with 3 mount points. 2 Nvme´s als Cache Pool. I’ll keep them on the NVME cache pool, then. 00 TB] Unallocated NVM Capacity: 0 Controller ID: 1 NVMe Version: 1. One major factor for me would be power consumption, so the SSDs shouldn't block higher C-States. Transcode to a directory 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. 0 RC8 "Cache" nvme temperature wrong Followers 2. Ich bin auch unRAID-User der ersten Stunden, war schon schon mal einige Jahre abstinent, bevor ich die Lizenzen mit v6 wieder reaktiviert habe. Dann The use of the word "cache" in Unraid isn't typical. Für VM und Docker würde ich die NVMe bevorzugen. Set these to move the data onto a different pool or the main array. Shut down the server and remove the old drive. As for the SSD I removed, I can mount it in Unassigned Devices and see a bunch of folders (such as appdata). 1. What i'm trying to work out is I'm running two NVMe drives (BTRFS) in RAID1 for my main Cache pool. It’s has similar the term cache is often used in two different contexts with Unraid. NZBs that need post-processing download to my fast pool and post-process to cache so reading from one and writing to the other, then cache gets moved to the array. I’m new to Unraid, currently building my Unraid server, waiting for the HDDs to arrive. Cache 2: SATA3 SSD -> Unraid booted again. I was using this drive in a USB3 case for a little while and thought i would whack into the HP Gen 8 as a cachee drive, before putting it in to the Gen i deleted the partition in Winddows , created the partition but did not format, i then put the drive in a NMVE to PCIE You can only remove a drive from a multi-drive pool if all aspects of it are set to a RAID1 profile or something similar. The goal is to have the most storage/redundancy/gaming performance as possible. I need to increase them. 6 PCI Vendor/Subsystem ID: 0x2646 IEEE OUI Identifier: 0x0026b7 Total NVM Capacity: 1,000,204,886,016 [1. Downloads/media folder as cache yes and turn on mover. 5. Yes in an ideal world, I'd have another raid 1 cache pool dedicated purely to caching writes, but we can't have every thing. It all was fine! Personally i have 3 cache pools, 1 with 2x 256GB NVME SSds that mirror each other for Appdata and a VM, one 1TB SATA SSD that i use as a download, unpacking and renaming cache this one also houses torrents that im seeding Cache pool of 2 m. My primary cache is a pair of SSD drives (or NVMes on my system that supports it) in RAID1. Update on this comment: after upgrading to Unraid v6. Cache : NVME OLD 2. 0). Cache “Prefer”: new data is written to the share’s assigned cache pool. Unraid cannot pull files onto the cache dynamically for read caching like storage-tiering file systems such as ZFS or Storage Spaces. 6 auf 6. Now I see in the UI that my cache pool is degraded. Add the new drive to the cache pool. It comes down to personal preference. It's a cheap way to speed up vms and offload the big writes to off peak hours. Wollte heute auf meinm docker was umstellen und musste feststellen das unraid meine Cache NVME nicht mehr erkennt (unbekanntes dateisystem) was kann ich dagegen machen bzw. Originally I configured a cache pool with two 1TB NVMe drives in it, and one single-drive 1TB NVMe in a separate cache just for speed. It was super easy to install and setup. So nice to have a cache that can max out 10gbe. 3 eingespielt, und seit Running 6. Unraid OS 6 Support ; General Support ; Cache Pool Question Cache Pool Question. 2) Zum zweiten Mal hat das nun dazu geführt, das mein NVME Cache Pool (eine Festplatte) korrupte Dateien hat und ich das Dateisystem manuell reparieren muss. /dev/nvme2n1p1 seems to have failed. I won’t bother using Appdata backup for now My current setup is the NVME is the Cache drive, and I set up the 2x SATA drives as a mirrored pool. The only issues I had with my nvme setup was with the supermicro x9 motherboards only partially supporting bifurcation for my dual m. Hallo zusammen, könnt Ihr mir bitte nochmal helfen, ich glaube in meiner Systemauslegung hat sich noch mindestens ein Denkfehler versteckt. I have 2x consumer nvme drives in a raid 1 myself. 3 und SSDs als Cache-Pool hatte ich diese Probleme nichtich denke es hat was mit den nvme und btrfs zu tun. I first noticed it when I set up a development share on the cache drive for a project. (offloading some appdata folders to an unassigned nvme drive All, I have a cache pool of 2x1TB SSDs using btrfs and I was trying to swap to 2x2TB NVME drives. According to your screenshot this is not the case as metadata, etc are set to Single profile. 6. 2 slot, and a slower m. this would indicate, that somewhere in between the receiving I/O buffers (unRAID) and the actual writes to the share, I've tried taking both NVME drives out of the cache pool and clearing them - Crashed Unraid I've tried breaking the pool, reformatting a single NVME drive as XFS and re-adding as a cache drive - Crashed Unraid Edited November 11, 2019 by dis3as3d. I got two spare nvme drives in unassigned devices from which I want to create a secondary cache pool for VM images solely. img size is not increasing. I popped the NVMe drive in, moved the data off of my old cache drive, stopped the array, and tried to start it back up wi My setup is Unraid with two 20 TB array drives (one being parity) and a 1 TB cache pool of two 1 TB SSD cache drives (one that I'm trying to re-add without losing data). 1) Beim Thema Backup komme ich leider immer wieder zu Problemen die dazu führen, das sich Unraid aufhängt und ich einen Hard Reset meines wissens nach nicht vermeiden kann. I bought a second (identical) drive, and would like to use them together as a raid1 cache pool. I am attempting to setup a new cache pool using 2 External NVMe drives via USB, the OS is seeing both as /dev/sdk and /dev/sdl. Moin zusammen nachdem Unraid bei mir ohne Probleme lief, hatte sich heute die Cache Disk verabschiedet. I will see if I can figure out the config files. Then reverse the process; Delete and rebuild the pool as you need Put the share cache settings back as before Run Mover again Upgrading current system (new m/b cpu ram) currently have a single 250gb SSD as cache in running system. Ob die 500GB für den SMB Cache reichen hängt von der Datenmenge ab die du kopierst und vom Moverintervall. Using it for PleX and as backup. Added SSD to unRAID, and added it to the cache pool. Now I can start the array, and it finds the array without problem (1 parity + 3x 4tb SSD). From what I've read, compression actually improves read & write speed. If you have an account, sign in now to post with your account. While moving data around, I really noticed the speed but initially attributed it to moving a lot of very small files. Mover moves data from the array to the cache pool when invoked, assuming free space exists. New motherboard has 1 Fast NVME m. Any read/write operation within the pool is limited to 500-700MB/s though. This means I have a redundant copy of my appdata/domains/cache. It's an encrypted Btrfs partition. I'm sure my setup could be better, but this is how I use cache drives on unRAID. But if the cache gets full, you are just gonna notice a slowdown in any uploads/downloads. Edit: The first is accomplished by simply setting the appdata share in the share tab of Unraid's webui to cache prefer IIRC. Hardware - Samsung NVME 970 Evo Plus m. I had a go at bringing the cache pool back online using your steps above, as the terminal response from each step was the same, however after reaching this step: Stay informed about all things Unraid by signing up for our monthly I had looked over some different threads (listed below) that discuss how the cache pool is currently implemented in unRAID and its current limitations. 2 slot in the MOBO. I keep all the drives (parity, data drives and two nvme drives for the pool. My Cache pool consists of two NVMe M. Btrfs macht öfter zicken, zfs ist noch sehr neu in Unraid. 2 - Used for torrent downloads and Dockert img Cache 2 1x4TB SATA SSD - Used for AppData (dockers) and new Plex media Using a Mover Tuning plugin, my Cache 2 is moved to the array after 25% fill or 30 days age of files. It may or may not be used for ‘cache’ functionality. I will probably store few Windows 10 images and few linux images. 2 SSDs. Ich hatte für mein neues System eigentlich 2 x 2TB SSDs als Cache Pools Go into the settings for the relevant share and adjust the setting for "Use cache pool" and "Select cache pool". I now get the following error: pool: cache state: SUSPENDED status: One or more devices are faulted in response to IO failures. You wpuld need to get ab other NVME drive and add it to the Cache pool as a mirror to protect that Cache Pool: Name: Plex App Data Slots: btrfs is still a little buggy. I stopped the array and removed the the new nvme drive from the cache pool and restarted the array with the new nvme drive unassigned. Cache pool BTRFS missing device(s) Cache pool BTRFS missing device(s) By luke92 Je nach Board / NVMe kann der PCIe Slot so tief Hi folks, I was wondering if I could get some help recovering my "appdata" folder from my cache pool. but thought I'd give y'all The cache pool setup I planned would be a Raid1 (zfs) with 2x 4TB NVME SSDs, on which my Docker AppData(ex. I've also added your monitor a btrfs or zfs pool for errors script to my User Scripts to run hourly. Vorteil: Weniger Verschleiß einer der beiden SSDs, mehr nutzbare Speicherkapazität. The OpenZFS subsystem on my Unraid uses 4-6GB in idle. 84GiB devid 1 size 465. Over black friday I picked up an M2 2TB ADATA SSD to replace my old 240GB SATA cache drive. However, the speed of the mover when moving large files was also painfully slow. 4 downgraden und seither kam es immer wieder dazu, dass nach einer geraumen Zeit die Gui einfriert und ich den Server auch Hallo ich habe ein problem mit meinem Unraid. I stopped the array and the cache disappeared again, but on a full shutdown and then starting back up it re-appeared and i got this it auto-mounted and was correctly assigned again. The rule of thumb is generally 250MB/TB for best performance 4tb ssd cache drive: cache_appdata (for containers that use up 50+gb of data but need to be fast accessible such as nextcloud, librephotos, plex metadata) 4tb ssd cache drive: cache_ssd (for normal downloads, move to array after a week etc) assign the nvme to a new cache pool: nvme_appdata and this will be where my docker. 5 SSD and one m. Cache 2: SATA3 SSD -> Now I was able to start the array and cache disk. puvn demuw csus ufq jysa abcrbciqk deol kykqyr aseowmku lps