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  1. C

    [SOLVED] Cannot start newly migrated VM : conf file format error

    You need add new VM datastore name when you removed original local-zfs datastore name.
  2. C

    [SOLVED] How to access CLI to enter commands from the GUI?

    Datacenter -> nodename -> >_ Shell
  3. C

    Backup Job Error

    You misread backup log. Backup failed because VM is not running, not otherwise. Check logs.
  4. C

    Open vSwitch across physical servers

    node1->node2 & node1->node3 vs dual 10G LACP are in theory same througput you can move pve management to ens19&20 bond and use 2x1Gbps links unbonded for corosync. You can use mesh in 3 nodes. But when you will want add more nodes in future, it will limit you.
  5. C

    Some notes and questions about Proxmox Cluster networking

    Hiding default port on different number is security by obscurity. I think, we need root password in cluster join, if i remember correctly (it's some long time, when i created new cluster).
  6. C

    Changing storage type from directory to NFS and vice versa

    What will be use of the nfs server? templates only? VM storage?
  7. C

    VM Disk cache config for Ceph

    Do you think, ceph = zfs? https://pve.proxmox.com/wiki/Performance_Tweaks#Disk_Cache MTU 9k doesn't have such effect as you think (and has some own problems). Where are your performance tests? What's your ceph config?
  8. C

    Backup target to ceph? NFS?

    Proxmox backup server.
  9. C

    [SOLVED] Proxmox Backup Server vs Normal Backup within Proxmox

    Proxmox 5.x is EOL. You need 6.x at least.
  10. C

    [SOLVED] Migrate CEPH public_network online

    Old and new subnets are same vlan or different? The main rule is, multiple public_network need to be able to communicate. You need to reconfigure monitors, so it's important to read documentation (and in some cases, test such migration).
  11. C

    [SOLVED] Email coming from noreply address of local domain are bounced.

    Configure server with ip 192.168.75.2 what to do with sender as noreply@mydomain.org.
  12. C

    Migrated Ubuntu 18.04 not accepting inbound traffic

    asymetric routing?
  13. C

    question about bond count on Ceph nodes

    Two points: 1a] in one-bond mode if bond fail, you lost all conectivity 1b] in two-bond mode if one bond fail, you still have something left (usabiliy depends...) 2a] in one-bond mode bond sides select, what iface will be used to send datastream 2b] in two-bond mode admin decide, what ifaces...
  14. C

    routing / dns

    arp/mac cache on switch/firewall
  15. C

    [SOLVED] ceph atrocious performance inside LXC/VM

    hdparm and dd are useless for testing.
  16. C

    [SOLVED] Virtual disk of 100 GB, but only 50 GB available?

    PVE lvm configuration != VM lvm configuration
  17. C

    improve header manipulation detection

    DMARC.
  18. C

    [SOLVED] Adding iSCSI storage to cluster

    I don't have experience with iscsi/lvm versions, so i only suggest to check, if this type of storage require "shared" flag for cluster-wide.
  19. C

    Slow NFS Performance

    Nothing specific now. I can only suggest this for now: 1] monitor sys values 2] regular fast checks nfs availabilty 3] regular fast checks datadisk availabilty 4] regular fast checks raid controller raid availabilty For now it looks as not problem with performance, but with size. And because...
  20. C

    [SOLVED] Adding iSCSI storage to cluster

    No config from your side, so: https://pve.proxmox.com/wiki/Storage
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