zfs

  1. NickF

    Resource TrueNAS SCALE: A “Datacenter-in-a-box" 1.2

    As a pre-requisite, consider reading my TrueNAS SCALE virtualization guide! https://www.truenas.com/community/resources/getting-started-with-virtualization-on-truenas-scale.214/ This resource is meant to be a series. Part 1 will cover both the theory behind what I mean by Datacenter-in-a-box...
  2. oblivioncth

    Resource Tuning quota performance as related to space consumption

    After participating in this mildly spicy thread, I became aware of that fact that the seemingly innocuous quota is not quite a free way to limit the size of datasets and that unfortunately they do impose performance implications; however, the impact they have on performance can be reduced in...
  3. Davvo

    ZFS Storage Pool Layout 2024-03-14

    This amazing document, created by iXsystems in February 2022 as a "White Paper", cleanly explains how to qualify pool performance touching briefly on how ZFS stores data and presents the advantages, performance and disadvantages of each pool layout (striped vdev, mirrored vdev, raidz vdev). It...
  4. C

    ZFS from OpenMediaVault to FreeNas

    Hello, I did have a ZFS pool of 3 HDD (3X3TB => 4TB usable) on a openmediavault install but after some boot problems i had decide to go to freenas. I have a fresh install of the system and the drives are spinning but i have no idea how i can rebuild everything off the drives. Can someone guide...
  5. detalikota

    HP DL180 G6 can't restore ZFS

    HP ProLiant DL180 G6 freezed one day, reboted - I get db> prompt. Reinstalled Freenas, can't mount zfs, I get reboots every time I try. Now it's rebooting all the time without me doing anything. Found a thread with the same problem, a man got corrupted pool, but easily restored it, but I can't...
  6. S

    Replicated & compressed dataset differs unexpectedly in size

    I hope you can help me understand what's going on here with my original dataset using lz4 and the replicated one using gzip-9. Two FreeNAS servers, 1# and #2, both has a new volume with nothing special going on. The dataset in question that is being replicated has all kinds of different data...
  7. Gnrl Kitty

    Dataset with path /mnt/<PoolName> not found

    I needed to clone a pool from one drive onto a new pool on a second drive. I followed this guide to do this. Now when I try to click any link in the UI, I get a blank page: If I log out and back in or refresh the page, I get taken to this screen: After I choose the correct settings and try...
  8. C

    Will disabling / turning to AHCI built in RAID card work for Freenas?

    Hey guys! I recently purchased a Dell r720 off facebook, and now that I am messing with it, I see that the drives go directly from the backplane to a slot in the MOBO, with the raid card beside it. I asked in the LinusTechTips forums if I would be able to just disable the raid card for the...
  9. latigid

    FreeNAS on the helios4

    Hello ix and freenas community! I have been tasked with building a backup storage solution for my family. that includes only devices that connect to the local network. they run linux, android and sadly windows. For that I bought a helios4 and two 4TB Toshiba drives. Because they looked so nice...
  10. S

    RAID is not faster than single disk

    Hi, I recently get a HP Gen10 ProLiant Microserver to build a NAS. I bought 4 HDD to build a ZFS pool using RAIDZ, however the write performance is lower than expected. I also tried mirror/stripe, or RAID10, they all seem to have the similar performance, so I wonder the bottleneck might not be...
  11. Emzy

    SOLVED GELI key on not importable USB stick

    Hello, I was not aware that the GELI keys are only on the USB stick and in the config backup missing. So I wrote the FreeNAS install iso (about 650 MB) over my boot USB stick. Now I can't import the pool from the stick. I need 2 GELI key files (64 Byte) from the stick. zpool "import -a" and...
  12. Papulatus

    Slow read speed for cold data

    Hello everyone, this is my first post on this community, recently I built a nas server with freenas, this is my server. Motherboard: SuperMicro X11SSH-LN4F CPU: Intel Xeon E3 1260Lv5 RAM: 4x 16 GB Samsung DDR4 ECC 2400T Boot: 2x Samsung FIT Plus 32GB Mirror Hard drives: 8x Seagate IronWolf 4TB...
  13. A

    Umzug Jails von HDD auf SSD

    Hey zusammen, ich habe endlich eine SSD angebunden und wollte alle meine Jails/Programm darauf umziehen. Zwei Seiten habe ich hier gefunden, die das sehr einfach erklären: https://www.ixsystems.com/community/threads/relocate-jails-to-ssd-helping-hdd-sleep.16955/...
  14. D

    FreeNAS on virtualization hypervisor which is using ZFS

    Hi, I need to install a new FreeNAS system and I have to virtualise it. I'm using Proxmox as hypervisor and I have both some network storages (which are using qcow2 images) and some local storages which are using ZFS (and virtual machines are using some ZFS drives. I read the information at...
  15. mrloop

    ZFS crash on import

    I've get two system running Freenas 11 one, called caolila, a nfs server, afp server, plex server which I also send snapshots from a remote ubuntu zfs pool. The other Freenas instance, xanadu, at a remote location is solely for replicating the first Freenas instances. Both Freenas instances have...
  16. parski

    ZFS pool migration issue

    I used to have four drives in a USB DAS configured as a JBOD enclosure. It was managed as a ZFS pool in FreeNAS and served me well until I felt the itch of approaching what my storage paranoid gut felt was "full" storage. My USB DAS didn't have the capacity to hold more drives so I had to invest...
  17. r2p2

    Issues with file operations or why is vi slower than dd?

    I posted my question originally here here but was politely redirected. The following text is copied from the original. I have a FreeNAS Mini running with a jail for Nextcloud. While moving my files from Dropbox to the Nextcloud instance, I realized that there are many fastcgi timeouts...
  18. S

    Advice for a newbie setting up ZFS

    Hello. Recently I have inherited an older 45drives server (REV4) to manage with the following specs: - 15 6TB WD RED NAS SATA drives - 15 4TB Seagate SATA drives (sorry cannot recall model) - CPU: i3 3220 - RAM: I will max it out at 32GB, DDR3 1333MHz, ECC - Boot drive will be a 256GB SSD The...
  19. zamana

    SOLVED Replication tasks: lz4c missing?

    Hi! I'm strugling to get my zpool storage replicated to another server, and after read this thread, I got a look in /var/log/debug.log e finally found this in several files in /tmp: root@freenas[/tmp]# cat repl-99191 /usr/bin/env: ‘lz4c’: No such file or directory cannot receive: failed to...
  20. T

    SOLVED Reading damaged USB boot drive - dd to a file, help reading zpool

    I had my second USB boot drive die in one of my servers, and am trying to recover my freenas config. Of course it has been too long since the last backup, but I did boot my desktop to an ubuntu live usb, and was able to dd the entire contents of the 128gb freenas boot drive to a file on my...
  21. J

    Help recovering DEGRADED zpool mirror

    Hello, (sorry for my bad English) I have an old FreeNAS-9.10.2-U6 (561f0d7a1) running on an old HP Prolian MIcroserver (first gen). Using two desktop Seagate 4TB disk in mirror setup. This is the current status: pool: zfs1 state: DEGRADED status: One or more devices has experienced an...
  22. kikotte

    [quick answers] ZFS Send backup

    Hi, I need help to backup esxistore and then send it over to backup001. zfs snapshot -r Store2/EsxiStore@Snap001 zfs send -Rv -i Store2/EsxiStore@Snap001 | zfs receive -F BACKUP01 I get this error ```log root@freenas:/mnt # zfs send -Rv -i Store2/EsxiStore@Snap001 | zfs receive -F...
  23. N

    SOLVED How can I access files backed up with zfs send

    I have attempted to make a backup of a dataset with zfs send. The backup BACKUP03/TANK/library appears to contain over 4 TB of data (just like the source dataset TANK/library). When I do an ls -la on /BACKUP03/TANK/library no files are shown. Has the dataset BACKUP03/TANK/library been...
  24. okynnor

    How to add replacement drive RAID1

    The volume TooksVolume state is DEGRADED: One or more devices could not be opened. Sufficient replicas exist for the pool to continue functioning in a degraded state. What are the steps to add a new disk that is already in the server?
  25. F

    Raid-Z2 SMB read speed ~66MB/s (slow?)

    Despite being new to FreeNAS, over the past few months of use I have really come to appreciate how powerful it is as a storage operating system (in particular ZFS with adequate RAM!). Drive Setup: 6x WD Red 3TB in Raid-Z2 (Half the drives have the 80.00 firmware, the others have 82.00) 4...
  26. A

    SOLVED Volume size appears incorrect

    Hi everyone, I have seen a lot of posts of this kind on the forum, and even if I've been through some of them, I unfortunnately didn't solve my issue :/ Here is my issue : I have a Freenas running 11.1U6 version I have only one big storage supposed to be sized at 6Tb, and never have I done the...
  27. Rolfieo

    ZFS pool cksum

    My sytemboard crashed, so I ordered a new one. It’s a supermicro X10SRL-F with a xeon and ECC 128GB memory. I retrieved the FreeNAS database from my old USB stick, and I have installed FreeNAS and restorored the backup. After a reboot the pools existed. Only there where errors on the POOL and...
  28. D

    Moving Volume AND snapshots to another box

    I have a FreeNAS box with a 2TB volume and a year's worth of weekly snapshots. How do I move it to another ZFS device? (FreeNAS, FreeBSD etc) Id like to preserve obviusly the data, but all the historical snapshots as well. Im running 9.10.1-U4 Thanks
  29. lexxai

    ASUS P10S-E/4L Intel C236 HSIO lanes question when work both iSCSI and ZFS.

    Have motherboard ASUS P10S-E/4L with Intel C236 chip set. Have problem posted "By start use iSCSI disks FreeNAS system start pull errors - device: ATA error count increased" By analyze situation why can be problem when work both iSCSI and ZFS. Since iSCSI use network adapters (GbE), ZFS use all...
  30. Borja Marcos

    Scrub/resilver prefetch and l2arc performance problems

    Hi, I posted this to freebsd-fs but I imagine it's of interest here as well. On one of my systems I noticed a severe performance hit for scrubs since the sequential scrub/resilver was introduced. Digging into the issue I found out that the system was stressing the l2arc severely during the...
  31. D

    Making vfs.zfs.arc_max setting persist

    Hi there- I've got a new setup with 128GB ram, and I'd like to cap out vfs.zfs.arc_max at around 32GB (I have an 8x10TB RAIDZ2 with ~50TB of usable space). It seems that vfs.zfs.arc_max is set to max RAM - 1GB, and with my rsyncing of data over to this new machine ARC is taking up all the...
  32. F

    ZFS Pool Unavailable after upgrade 9.3 --> 11

    Had a very healthy 4 disk, 1 ZFS volume FreeNAS running 9.3 with no problems for years... until a few hours ago when I decided to upgrade to 11.1. Now I get a CRITICAL alert in the GUI "The volume ZFS1 state is UNKNOWN" and the volume is indeed unavailable. zpool import shows 3 of the 4 disks...
  33. S

    SOLVED Downgrade from 11.2 'STABLE'

    Hi guys - I'm trying to work out how to downgrade the pool that was mistakenly upgraded after misunderstanding the Stable flag. I was hoping that I would be able to create a ZFS pool that would be compatible with 11.1 and zfs send to it (if that makes sense) Is that possible, or am I stuck on...
  34. N

    ZFS Compatibility between FreeNAS & Linux

    Hi All I noticed from discussions on this forum that @Arwen is using ZFS on her linux laptop, so I decided to give ZFS on linux a shot for my home desktop PC. So far so good, but what about interoperability with FreeNAS ZFS. Since ZFS is coming from two development streams (FreeBSD/Linux...
  35. sami

    iocage pool "disappears" on reboot (11.2-BETA3)

    Hi, Sure this strange issue is on a beta release, none the less I would like to learn why. I do not have any errors to post really so, please, help me out to which errors to look for. I have 3 pools connected to my test machine. freenas-boot (ada1 - freenas) tank (all media) iocage (ada0 -...
  36. dexbot

    SOLVED Raidz-1 Pool will not import - One or more devices missing from system

    THIS ISSUE HAS BEEN RESOLVED! Please see the update in my last post First things first thank you for reading and I am very new to Freenas but I am loving it so far. I have six 8Tb drives in a Raidz-1 Pool. A few days ago I went to access the server and saw the critical alert "The volume Main...
  37. Dacesilian

    BUILD E3-1225v6 or D-2123IT, 10-bay NAS with Fractal Define Node 804

    Hello, I'm build a new NAS for home-usage and I want to hear your opinion and advice about chosen hardware. I live in a small flat so my NAS will be placed on a fridge and it's only one door from my bedroom, so it should be quiet. I plan to shutdown drives at night and hope that fans will be...
  38. luqasz

    Slow FC qlogic speed with p2p connection

    Hi I know that this is a freeNAS forum. I am using freeBSD 11.2-RELEASE-p3. Compiled kernel to use target mode. ctladm portlist Port Online Frontend Name pp vp 0 NO camsim camsim 0 0 naa.50000006cc960301 1 YES ioctl ioctl 0 0 2 YES tpc tpc 0 0 3 YES camtgt isp0 0 0...
  39. S

    Need advise on a proposed new System for PLEX

    Hi Everyone, I need some advise here, i am currently building a system some of it i have already other parts I have recently purchased. The system will be used solely for media & file storage and to run Plex. Current System System: SUPERMICRO MBD-X10SDV-TLN4F-O Mini ITX Server (8 core 16...
  40. K

    A little confused over mirroring

    Hi. This week, I've been lucky(?!) enough that, despite two drive failures in my ZFS pool, I'm managing to save most of the data. I've brought a couple of 8Tb drives and am about half way through copying my data over to the new drives. To save anything embarrassing in future, I want to make...
  41. kensab

    FreeNAS remains frozen at startup: import pool version 5000

    First of all I am very new to FreeNAS and with little experience. I see similars post about my problem but they are too old. I need know if have another new solution to this problem. https://forums.freenas.org/index.php?threads/boot-up-stuck-at-importing-pool.35335/...
  42. L

    FreeNAS locks up for a few seconds, then returns to normal functionality

    Hello, I have setup a FreeNAS system in esxi with an HBA passed through. At times I see the memory spike to consume all 35 GB of RAM (looking at the reporting tool), and during this time the system is completely unresponsive. SSH, HTTPS, Network Sharing, Shell access all do not work while the...
  43. J

    Question ZFS/ZPOOL Mirror expanding

    Bonjour, Je souhaite éclaircir ma lanterne sur ZFS et répondre à quelques doutes. J'ai un ZPOOL nommé Miroir014TB composé actuellement de 2 VDEV comme ci-dessous: % zpool status Miroir014TB pool: Miroir014TB state: ONLINE scan: none requested config: NAME STATE READ WRITE...
  44. Derkades

    SOLVED Directory empty after successful zfs import

    My boot drive (usb) stopped working. I am trying to get the configuration file. I installed freenas installer on a different usb (same version as the broken usb), booted from it and went to shell. I ran zpool import. It showed my storage pool and a freenas-boot pool. /mnt was read only so I...
  45. BloodyBonkers

    SOLVED Upgrading pool. RaidZ2 vs mirror vdev

    Hello. I currently have an hp microserver g8 equipped with a 1265L and 16GB of ram. (I intend to buy a motherboard for this CPU/RAM combo so I can place my rig in a define r5 or a rack case, but cannot afford this right now) My current storage config is 3 WD red 2TB's in raidz1. for about 3.6TB...
  46. N

    New on FreeNAS, need help about configuration

    Hi all and thanks for the awesome community. I have old workstation that I would like to use as a home NAS/Virtualization. My configuration is Lenovo E31 ThinkStation with Xeon E3-1225V2, 16 GB ECC RAM, 400 W PSU. RAID Controller - 3ware 9650SE-8LPML Hard drives - 8 various 1TB disks for the...
  47. zamana

    First try: I gave up; import is so slow...

    Hi everybody. Well, after using a “deskserver” (I mean… a “desktop” computer hardware used as if it was a “server”) for almost 6 years, I recently bought what I considered a “super server” hardware: Motherboard: Supermicro X11SSL-CF CPU: Intel Xeon E3-1245-v5 Memory: 32GB (2x16) Crucial ECC...
  48. Sneffets

    13TB Snapshot Replication Failure

    Hello, I have an existing FreeNAS server running the latest 9.4 software (96GB RAM, 6 - 4TB SAS Constellation Drives, 2 - 128GB Enterprise SSD for caching) that is getting full...so I upgraded my existing local BackUp FreeNAS server with 4 - 8TB Seagate Pro drives with 2 - 128GB Enterprise...
  49. S

    zfs recursive incremental send/receive - making sure I don't lose data?

    I've just successfully sent a zfs pool from my main server to a backup using these commands: On main server: zfs send -vvDRLe mypool@snapshot_20180605_000000 On backup server: zfs receive -vvFsd mypool It copied some 35 TB (mix of datasets, sub-datasets, and zvols) and took about 8 days to...
  50. B

    ZFS setup question

    Hi All, I'm looking to build a 45 drive FreeNAS media server and am looking for a recommendation of an optimal setup for the system. I plan on eventually filling all 45 bays full of 10TB drives. My first question is which is optimal and most storage for media storage 9x5 vdevs RaidZ2, 5x9 vdevs...
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