ZFS deduplication (dedup) saves space but eats RAM. Run DDT checks with zdb -D, identify duplicate blocks via awk, then delete/recreate dataset with dedup=off to clean up. Proxmox/FreeBSD compatible. #zfs #snippet #deduplication #storage #ValtersIT
https://www.valtersit.com/vault/zfs-deduplication-verification-and-cleanup-script-449f7b/




