ZPOOL-REGUID(8) System Manager's Manual ZPOOL-REGUID(8)

# [NAME](#NAME)

`zpool-reguid` — generate new unique identifier for ZFS storage pool

# [SYNOPSIS](#SYNOPSIS)

`zpool` `reguid` \[`-g` `guid`] `pool`

# [DESCRIPTION](#DESCRIPTION)

Generates a new unique identifier for the pool. You must ensure that all devices in this pool are online and healthy before performing this action.

[`-g`](#g) `guid`

Set the pool GUID to the provided value. The GUID can be any 64-bit value accepted by [strtoull(3)](/man/os/zfs/strtoull.3) in base 10. `zpool-reguid` will return an error if the provided GUID is already in use.

# [SEE ALSO](#SEE_ALSO)

[zpool-export(8)](/man/os/zfs/zpool-export.8), [zpool-import(8)](/man/os/zfs/zpool-import.8)

August 26, 2024 OpenZFS

---

Document: zpool-reguid(8) from zfs 2.4.4-r4 (Chainguard OS)
Source: https://github.com/openzfs/zfs