Questions tagged [proxmox]
Proxmox Virtual Environment is an AGPL licensed and debian-based Linux distribution with a strong focus on hosting virtual machine.
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Reduce used space; reclaim a physical disk
I'm running Proxmox 8.2.2. Recently my lvg became corrupt ("volume group pve has insufficient free space!")
First, I tried to repair the vg:
$ sudo lvconvert --repair pve/data
Volume group &...
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My Ceph mon on one node fail and won't start
I have A ceph on 3 node working for a year.
I get a HEALTH_WARN about :
2 OSD have spurious read erros
1/3 mons down, quorum ceph01,ceph03
I tried to start mon on ceph02. But not working.
xxxxxxx@...
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Virtual volume stored on a RAIDZ pool takes twice the amount of space as it should
I have a Proxmox server with 24 4T nvme drives. I have created a RAIDZ pool called Media3 which is about 84T in total usable space. I have setup a virtual host and added a second virtual disk to the ...
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Remove lvm volumes after fresh Debian install
I've done a fresh Debian install on a system that had a second disk that was previously used for Proxmox and had some lvm volumes on it.
If I do a lsblk I get:
NAME MAJ:MIN RM ...
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How do I configure 2 public IP addresses on Debian and enable NAT traversal on one?
I got 2 IP addresses from my hosting company, xx.xx.xx.109 and xx.xx.xx.110, both in the same subnet. The subnet mask is 255.255.255.192 and the gateway is xx.xx.xx.20
I have a Proxmox server and ...
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Optimizing storage usage in Proxmox + CEPH cluster
My friend and I bought 3 Dell Power Edge R740xd servers (128GB of RAM each) along with 11 SSD of 1TB each and 14 HDD of 14TB each. They are interconnected through 2 switches in two different networks ...
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Why is Linux not using RAM but only Swap?
How can such an output of free -m be explained?
total used free shared buff/cache available
Mem: 32036 1012 225 3 8400 ...
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How to isolate cpu cores, even from kernel space, at boot?
I have a faulty Ryzen 5900X desktop CPU. Previously, I somewhat tamed its faulty cores via isolcpus=2,3,14,15 kernel parameter in GRUB2 (see https://blog.cbugk.com/post/ryzen-5850x/).
However, on ...
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What is a best way to do backups of Linux-based application running on computer with two disks?
I have a nettop PC on which the Proxmox VME is installed. There is a VM running there, which hosts application (on Ubuntu OS).
This PC has two SSDs installed. On first disk the Proxmox is installed ...
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Veeam Backup Agent error during blksnap compile on PROXMOX 8 / Debian12
On our two PROXMOX servers version 8.2.2 do we have a compile problem with veeam blksnap.
dkms install -m blksnap -v 6.1.0.1498 Sign command: /lib/modules/6.8.4-2-pve/build/scripts/sign-file Signing ...
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BTRFS won't remove missing disk?
I had a hard drive fail in my BTRFS raid10 array, and it is failing to remove. What am I missing? I already added a replacement drive /dev/sdf, but it won't let me remove the old failed drive.
dulanic@...
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send mail with empty from header field
I'd like to send a mail using mailutils on Debian 12, but without or with a empty FROM field. In my Proxmox mail gateway there are sporadic mails without a from field. I've created a rule to replace ...
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VM/LXC asks AAAA record in a IPV6 disabled proxmox cluster
I have a Proxmox cluster with IPv6 disabled. Following setting made on /etc/sysctl.conf:
net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1
net.ipv4.ip_forward = 1
When I do ...
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turn on/off an external usb hdd with UHUBCTL
I need to turn on/off an external usb hdd on my Proxmox VE 8 zimaboard832 (Debian 12 Bookworm) automatically.
It's possibile with uhubctl? If it is, how can i make a turn_on/off bash script safely?
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Write QCOW2 image to iSCSI LUN?
I've been trying to write a QCOW2 image to an iSCSI LUN target but have been unsuccessful. Based on this link, this should be possible (and should be possible without having to mount the iSCSI LUN as ...
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