disk speed

  1. M

    Terrible VM disk performance compared to LXC

    I understand that LXC has less overhead than a VM, but the difference is so big that I suspect misconfiguration on the VM. Hopefully I can get help to correctly configure a VM for better performance. LXC specs: VM specs: Host specs: Using this fio configuration: [global]...
  2. C

    How to best setup disk in VM for fast access?

    I can't seem to find a concrete answer for this issue, I see a lot of people commenting on poor disk speed inside VM but I'm not seeing any real ways to get it sorted. I have a storage pool setup using NVME disks, using fio to benchmark with the following command fio --ioengine=libaio...
  3. N

    mSATA speed negotiation at 3Gbps (maybe not Proxmox issue)

    Hi, I have some machines with Proxmox installed. The machines are HP8300 USDT. They have an mSATA port and two SATA ports. The question is... in the two machines the mSATA ports only negotiate at 3Gbps, the mSATA disks are 6Gbps but only run at 3Gbps. I know mSATA ports works at 6Gbps, right...
  4. H

    Brutally slow local storage volume move

    I have a SuperMicro 5028D-TN4T with Xeon D-1541 and 128GB ram. Running Proxmox 6.4-13. Basic storage config: NAME STATE READ WRITE CKSUM hdd-raid ONLINE 0 0 0 raidz1-0...
  5. M

    VM disk performance

    HI all, I suspect this has been covered a million times but I wanted to post with my config to see if people can point me in the right direction. We have a couple of high disk I/O servers - Netxms and another similar style tool - we are getting errors on the servers and we were told to review...
  6. B

    PVE 6.2 - SSD speeds how to tune

    Hello, I am new to Proxmox, and this is the first time I am using LVM so I am not yet fully used to how it works. I installed PVE on a consumer SSD (Samsung 860 Evo 500GB) and had a 2TB WD Black HDD for some VMs. No ZFS or Ceph is being used, and disks are single drives in LVM. At first I...
  7. S

    Need advice & your kind help - zfs Raid1 - nvme 2drives - Disk performance confusion?

    Hello friends, Please find the 2 Attachments. [LEFT PUTTY = VM1st(ny) & RIGHT PUTTY = VM2nd(555) ] My Leased SERVER DETAILS: it's 6 Cores and 12 Threads intel CPU 32 GB RAM 2 NVME Drive 512GB - PROXMOX NODE Details. - During setup Selected Zfs Raid1 for 2x Nvme drive (mirroring purpose) ARC...

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