A specialized commercial tool for Windows/Linux that parses raw ZFS structures.
| Tool | Type | Target Scenario | Safety Level | | :--- | :--- | :--- | :--- | | | Native | Silent data corruption, bit rot | High (Self-healing) | | zpool clear | Native | Transient device failures | High | | zdb | Native Debug | Metadata inspection, failed imports | Medium (Read-only by default) | | TestDisk | Open Source | Lost partition tables | Medium | | PhotoRec | Open Source | Deleted pools, severe corruption | Low (Recovers raw files, no structure) | | Klennet | Commercial | Corrupted metadata, destroyed pools | High (Non-destructive) | zfs recovery tool
zdb -lu /dev/sda # list all uberblocks zdb -e -bc <pool> # traverse blocks, verify checksums zdb -dddd <pool>/dataset # dump raw object IDs zdb -R <pool> <vdev>:<offset>:<size> # read physical block A specialized commercial tool for Windows/Linux that parses
When a ZFS storage pool ( zpool ) enters a faulted, corrupted, or completely unmountable state, deploying a specialized becomes necessary to reconstruct the pool structure and salvage missing volumes. Why Standard Data Recovery Tools Fail on ZFS # traverse blocks
For businesses requiring guaranteed recovery with zero risk of experimental tool damage, commercial options exist.