---
name: "zpool-sync"
section: "8"
platform: "freebsd"
package: "base"
version: "16.0-CURRENT-20261027-61c70dc16a79"
release: "FreeBSD 16.0-CURRENT (2026-10-27)"
platforms: ["linux", "freebsd"]
url: "https://new.carta.tech/zpool-sync"
---

# zpool-sync(8)

flush data to primary storage of ZFS storage pools

## NAME

**zpool-sync** – flush data to primary storage of ZFS storage pools

## SYNOPSIS

**zpool** **sync** \[*pool*\]…

## DESCRIPTION

This command forces all in-core dirty data to be written to the primary pool storage and not the ZIL. It will also update administrative information including quota reporting. Without arguments, **zpool** **sync** will sync all pools on the system. Otherwise, it will sync only the specified pools.

## SEE ALSO

[zpoolconcepts(7)](/zpoolconcepts/7.md), [zpool-export(8)](/zpool-export/8.md), [zpool-iostat(8)](/zpool-iostat/8.md)