Zfs

ZFS Snapshot Rotate Script This script automates: Daily snapshot creation for both LXC containers (subvol) and VMs (zvol) Cleanup of snapshots older than RETENTION_DAYS Logging to /var/log/zfs-snapshots/snapshot-YYYY-MM-DD.log Optional dry-run mode to simulate deletions Support for -v flag (verbose mode) Cron scheduling and logrotate ready 📄 Script Location Place the script at: /usr/local/sbin/zfs-snapshot-rotate.sh chmod +x /usr/local/sbin/zfs-snapshot-rotate.sh ⏰ Cron Job (Automatic Daily Snapshots) Open root’s crontab: sudo crontab -e Add this line to run the script daily at 2:00 AM: ...

Proxmox Directory Storage: The Structure No One Explains If you’ve ever found yourself confused why Proxmox is “hiding” your ISO files or not listing them in the GUI, you’re not alone. The behavior is not a bug—it’s by design, just very poorly documented. This guide documents what Proxmox expects when using directory (dir) storage types—especially on ZFS—so everything shows up and works cleanly. 🔍 The Hidden Directory Structure When you point dir storage to a path, Proxmox does not use that folder directly. Instead, it creates specific subdirectories inside that path depending on content type: ...

I recently upgraded my Proxmox VE 8.4.0 homelab and added a dedicated 1TB SSD using ZFS. After setting up the new ZFS pool (zfs-ssd), I needed to migrate my existing VMs from local-lvm (LVM-Thin) to ZFS. This post documents my complete migration process. 🖥️ System Overview Proxmox VE Version: 8.4.0 Existing Storage: local-lvm (LVM-Thin) New Storage: zfs-ssd (ZFS pool on 1TB SSD) 🧭 Migration Method The migration process uses Proxmox’s built-in disk move functionality. This converts LVM-Thin volumes into ZFS ZVOLs automatically. ...

I recently upgraded my Proxmox VE server with 48GB RAM and added a new 1TB SSD. This guide documents how I set up ZFS on the new SSD and configured it as a storage backend optimized for VM and container use. 🖥️ System Overview Proxmox Version: 8.4.0 New SSD: /dev/sda (1TB) Existing boot disk: /dev/sdb (240GB) 🔧 Step 1: Identify the New SSD Run lsblk to identify your drives: lsblk -o NAME,SIZE,TYPE,MOUNTPOINT Look for your unpartitioned 1TB SSD (e.g. /dev/sda). ...