ubuntu

  1. K

    VMWare ESXI - Ubuntu Server 20.04.03 with RTX3070 - GPU Passthrough broken

    I have an EPYC/Supermicro server build with the below specs running ESXi 7.0 U2 and have been using GPU pass through to provide a 3070 to my Ubuntu Server VM. This has worked flawlessly for about 6 months until a few days ago when the GPU spontaneously is no longer recognized by the Nvidia...
  2. N

    First server: Dell EMC PowerEdge T40 Xeon Quad-Core with Ubuntu with GUI

    Hello everyone, Background story It is time for me "have" my own server. I have decided that I need a physical server, that I can touch and operate. I need control over it and I need to learn how to use it and so on. I have been running a "faux-server" on my desktop from time to time. I ran...
  3. N

    SLOG/L2ARC in Ubuntu w/Docker File-/Media Server

    Hello experts. I'm have recently built a server to be used as file-/media server for myself and a few family members. It will be running on Ubuntu Server with ZFS. I will be using Docker to run quite a few services for serving and streaming. Although I have already built the server I am not...
  4. AveryFreeman

    Is anyone familiar with using kerberos tickets from AD for linux clients?

    Hey, I recently started trying to authenticate my linux clients using ktpass on an AD-connected Windows client to generate a kerberos keytab for use in linux. Here's the main guide I'm following...
  5. AveryFreeman

    Questions about OCFS2: How to span local partitions, journaling, lvm2-lock, clvm, etc.

    Hey, curious about how to get distributed volumes to span several devices. Unfortunately haven't seen much literature about this. I'm actually using Ubuntu instead of Oracle Linux, but the setup procedure appears virtually identical. Here's what I'm following, which seems to be the best...
  6. B

    Linux on a Lenovo ThinkCentre M920x Tiny

    Hello there. I try to install a Linux on my ThinkCentre M920x Tiny for a few days now. During my google research I saw that post and therefore decided to register on that forum: https://www.servethehome.com/lenovo-thinkcentre-m920x-tiny-review-and-guide/ So whats the problem: When I try to...
  7. G

    Snaps are broken after restarting ubuntu 20.04 on zfs

    Hi, I’ve been using snap for at least over a year now without any problems and it was great. Recently I decided to reinstall my system to ubuntu 20.04 but with ZFS as a file system. Since then I have weird problems with snap. After a restart I cannot launch any of my applications installed via...
  8. C

    HP DL380 Does Nothing After Post

    Hell everyone, I went to upgrade my DL380p from Ubuntu 19.04lts to 20.04lts. Once I needed to reboot, the server came back up and I watched it through the remote console, it hit 100% on the initial screen then just went blank. I saw the post codes on the bottom of the console and post did...
  9. N

    Drives Missing When HBA is Moved To Another PCIe Slot

    Hi, I have several drives connected to a AsRock X470D4U motherboard (3 PCIe slots) using HP H220 HBA (MPT2BIOS-7.39.02.00, IT mode) and SuperMicro BPN-SAS-216A backplane. The drives are configured into a ZFS array in Ubuntu 19.10, and `lsblk` and `zpool status` both shows all the drives as...
  10. N

    "High IOPs queues : disabled" using LSI 9207

    I was looking through /var/lib/syslog on a Ubuntu 19.10 machine that has a LSI 9207-8i HBA and noticed the line Mar 25 21:43:17 db0 kernel: [ 2.931849] mpt2sas_cm0: High IOPs queues : disabled Is it possible to enable High IOPs queues in order to improve IOPS performance of drives connected...
  11. D

    Hotswap issues

    Hello, I have a 6027R-E1R12L server with Ubuntu 18.04.3 running. It currently has 4 HUH728080ALE600 drives being used as ceph OSDs. I recently bought a couple more HUH721010ALE600 drives which I plugged into the backplane in front. The new drives however aren't being recognized by the running...
  12. Q

    R820 / H310 "Adapter at Baseport is not responding"

    I posted this on Dell's community as well but no responses as yet. So I think I have a serious problem that I need any help I can get. I don't know if the H310, the SAS cables, the enclosure, or the drives are bad. I will explain. I purchased a re-purposed R820 with an H310 and 10 1TB...
  13. S

    Supermicro IPMI Fan Control on Windows

    Hi, I have a Supermicro H11DSi-NT motherboard that I am using for a dual boot (Ubuntu 18.04 and Windows 10) workstation. I am trying to lower the fan speed. I successfully lowered the fan speed on Ubuntu 18.04 using the excellent reference put together by PigLover...
  14. R

    Any virtualmin users here ?

    Hello, I've been using Virtualmin for a while and i cant seem to find a forum that is active enough to learn something new. If anyone has been using Virtualmin for a while on a host like Digitalocean and whatnot, you come to realize that storage space is a problem. Unless you want to be...
  15. L

    X11SSH-LN4F trouble creating EFI partition on NVMe drive

    Hello, I'm having a bit of trouble with this workflow and was wondering if anyone would be able to help me troubleshoot. There were several threads I came across, but this one is the closest to what I'm experiencing. I'm trying to install and boot from Ubuntu Server 18.04 LTS amd64 on my NVMe...
  16. C

    ZFS insufficient replicas on replaced disk

    Hi. I hope someone here can help me. Since 2015 I have z pool of 5 WD reds in raidz2 on Ubuntu server 16.04 and recently one of my drives started reporting checksum errors. After scrub error count went up and I decided to check if I should replace the drive. Smartctl said what SMART reports...
  17. L

    SSD fast in ESXi and Windows slow in Linux

    Upgrading parts of my homelab and doing some storage tests using sysbench: sysbench --test=fileio --file-total-size=64G prepare sysbench --test=fileio --file-total-size=64G --file-test-mode=rndrw --max-time=300 --max-requests=0 run sysbench --test=fileio --file-total-size=64G cleanup I'm...
  18. C

    Problem between a P2000 G3 and a 9200-8e

    I am trying to connect an HP P2000 G3 to an HP DL380 G7 server running Ubuntu Bionic through an HP SC08e HBA (LSI 9200-8e). I can see the disks from the server: charles@hpdl380g72:~$ lsscsi -g -s [0:0:0:0] cd/dvd TEAC DV-28S-W C.2D /dev/sr0 /dev/sg0 - [2:0:0:0] disk...
  19. L

    Slow SMB Read Speed, Fast Write | ZFS on Linux | Ubuntu 18.10

    Hello Guys, I got some strange problems with a new ZFS-Setup and SMB-Share: when copying files from a client machine to the server, I see around 400 - 500 MB/s transfer speeds. If I copy the same file from the server to the client, I only reach 150 MB/s. That seems way too low... On the...
  20. L

    Multiple IP's / virtual machines / performance

    Hi Guys, I have proliant 380p's and want to setup each server to do the following tasks. Run a computationally intensive app that will utilise 95% of the CPU's resources (machine learning / AI), the rest of the CPU power will be used for the following: Run 16 virtual machines that will need...