[SOLVED] Error 500: unable to write '/var/tmp/pve-reserved-ports.tmp.2364423' - No space left on device

[informant]

Hi after a Update and reboot i get in consoles of node and vms following error: Error 500: unable to write '/var/tmp/pve-reserved-ports.tmp.2364423' - No space left on device
rights of path are correct and space is free too, is also not the problem, what is the problem here? can anyone help here?

pveversion -v
proxmox-ve: 9.2.0 (running kernel: 7.0.14-4-pve)
pve-manager: 9.2.4 (running version: 9.2.4/5e5ae681198514d4)
proxmox-kernel-helper: 9.2.0
proxmox-kernel-7.0.14-4-pve-signed: 7.0.14-4
proxmox-kernel-7.0: 7.0.14-4
proxmox-kernel-7.0.12-1-pve-signed: 7.0.12-1
ceph-fuse: 19.2.3-pve1
corosync: 3.1.10-pve2
criu: 4.1.1-1
frr-pythontools: 10.6.1-1+pve2
ifupdown2: 3.3.0-1+pmx12
ksm-control-daemon: 1.5-1
libjs-extjs: 7.0.0-5
libproxmox-acme-perl: 1.7.1
libproxmox-backup-qemu0: 2.0.2
libproxmox-rs-perl: 0.4.1
libpve-access-control: 9.1.1
libpve-apiclient-perl: 3.4.2
libpve-cluster-api-perl: 9.1.6
libpve-cluster-perl: 9.1.6
libpve-common-perl: 9.1.16
libpve-guest-common-perl: 6.0.4
libpve-http-server-perl: 6.0.5
libpve-network-perl: 1.6.6
libpve-notify-perl: 9.1.6
libpve-rs-perl: 0.15.3
libpve-storage-perl: 9.1.6
libqb0: 1.0.5-1
libspice-server1: 0.15.2-1+b1
lvm2: 2.03.31-2+pmx1
lxc-pve: 7.0.0-2
lxcfs: 7.0.0-pve1
novnc-pve: 1.7.0-2
proxmox-backup-client: 4.2.2-1
proxmox-backup-file-restore: 4.2.2-1
proxmox-backup-restore-image: 1.0.0
proxmox-firewall: 1.2.3
proxmox-kernel-helper: 9.2.0
proxmox-mail-forward: 1.0.3
proxmox-mini-journalreader: 1.7
proxmox-offline-mirror-helper: 0.7.4
proxmox-widget-toolkit: 5.2.6
pve-cluster: 9.1.6
pve-container: 6.1.10
pve-docs: 9.2.3
pve-edk2-firmware: 4.2025.05-2
pve-esxi-import-tools: 1.0.1
pve-firewall: 6.0.4
pve-firmware: 3.18-4
pve-ha-manager: 5.2.4
pve-i18n: 3.9.0
pve-qemu-kvm: 11.0.2-1
pve-xtermjs: 6.0.0-2
qemu-server: 9.1.18
smartmontools: 7.5-pve2
spiceterm: 3.4.2
swtpm: 0.8.0+pve3
vncterm: 1.9.2
zfsutils-linux: 2.4.3-pve1

 

[Impact]

Please share the output of this in a code block

df -hT
df -hTi
findmnt -T /var/tmp/

 

[informant]

solved. cluster root partition is full. not node partition.

33G ./log/proxmox-backup/file-restore
33G ./log/proxmox-backup

very big files^^