- ZFS Pool Recovery Basics: The Steps That Avoid Making It Worse
- ZFS dnodesize=auto: The Metadata Boost Everyone Forgets
- ZFS vs btrfs: Snapshots, RAID, Recovery—Which One Bites Less?
- ZFS Compression Benchmarks: Measuring Real Gains, Not Placebo
- ZFS Scrub Scheduling: How to Avoid Peak-Hour Pain
- ZFS volblocksize: The VM Storage Setting That Decides IOPS and Latency
- ZFS zpool split: Cloning a Mirror Pool for Migration or DR
- ZFS RAIDZ3: When Triple Parity Is Worth the Disks
- ZFS Queue Depth: Why Some SSDs Fly on ext4 and Choke on ZFS
- ZFS rollback: The Safe Way to Undo Mistakes Without Collateral Damage
- ZFS copies=2/3: Extra Redundancy Without a New VDEV—Smart or Waste?
- ZFS Snapshots: The Retention Policy That Prevents ‘Snapshot Hell’ Forever
- ZFS zpool clear: When Clearing Errors Is Correct (and When It’s Stupid)
- ZFS on Root: Installing So Rollbacks Actually Work
- ZFS compression lz4: When It’s ‘Free’ and When It Isn’t
- ZFS NFS: The Tunables That Make It Feel Like Local Disk
- ZFS SLOG power-loss protection: The Feature Your SSD Must Have
- ZFS SMB: Fixing “Windows Copy Is Slow” for Real
- ZFS ECC vs non-ECC: Risk Math for Real Deployments
- ZFS Special VDEV Failure: How to Survive the Nightmare Scenario
- ZFS zfs diff: Finding Exactly What Changed Between Snapshots
- Proxmox on ZFS: the backup strategy that doesn’t lie (snapshots vs real backups)
- Proxmox ZFS checksum errors: disk or cable — how to prove which one
- ZFS Scrub: How Often to Run It and What It Proves
- ZFS Dedup Tables (DDT): What They Are and Why They Hurt
- ZFS L2ARC sizing: When 200GB Helps More Than 2TB
- ZFS Quotas for Multi-Tenant: Preventing One User From Killing the Pool
- ZFS dRAID Sparing: How Distributed Spares Change Recovery
- ZFS Special VDEVs on SAS SSDs: The Pro Move for Metadata
- ZFS IO Scheduler Choices: mq-deadline vs none for HDD, SSD, and NVMe
- ZFS zfs list -o space: The View That Explains ‘Where Did It Go?’
- ZFS Feature Flag Portability: Avoiding “Cannot Import” Surprises
- ZFS atime: The Tiny Toggle That Can Fix ‘Slow Writes’
- ZFS Feature Flags: Compatibility Rules Between Hosts and Versions
- ZFS logicalused vs used: The Numbers That End Arguments
- ZFS Cache Hit Rates: When They Matter and When They Don’t
- ZFS canmount: The Setting That Prevents Boot-Time Surprises
- ZFS Special VDEV Sizing: How Big It Should Be (So You Don’t Regret It)
- ZFS SMART Monitoring: Correlating Drive Warnings with ZFS Errors
- ZFS RAIDZ expansion: What’s Possible Today and Best Workarounds
- ZFS Encryption + Compression: The Order That Makes Performance
- ZFS dedup: The Checkbox That Eats RAM and Ruins Weekends
- ZFS offline/online: Using Maintenance Mode Without Breaking Redundancy
- ZFS on Proxmox vs VMFS on ESXi: Snapshots, Performance, Recovery, and Real-World Gotchas
- ZFS vdev removal: What You Can Remove (and the Limits You Must Respect)
- ZFS acltype: POSIX vs NFSv4 ACLs Without Confusion
- ZFS Checksum Errors: What They Mean and What To Do First
- ZFS Scrub vs SMART Long Test: Which One Finds What
- ZFS fundamentals: What You Actually Get in Practice (and When ext4/XFS Wins)
- ZFS zpool upgrade: When to Upgrade and When to Wait
Subtopics
Fundamentals & Design
Topology, vdev design, recordsize, ashift, datasets best practices.
Health & Recovery
Scrub, resilver, error triage, degraded pools, recovery steps.
Replication
zfs send/receive, incremental streams, replication workflows.
Space & Snapshots
Space accounting, snapshots, clones, retention, cleanup.
Tuning
ARC/L2ARC/SLOG tuning, sysctl, workload profiling, IO patterns.