mirror_zfs/man/man8/zpool-initialize.8
Brian Behlendorf e34e15ed6d
Add the ability to uninitialize
zpool initialize functions well for touching every free byte...once.
But if we want to do it again, we're currently out of luck.

So let's add zpool initialize -u to clear it.

Co-authored-by: Rich Ercolani <rincebrain@gmail.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Rich Ercolani <rincebrain@gmail.com>
Closes #12451 
Closes #14873
2023-05-18 10:02:20 -07:00

82 lines
2.8 KiB
Groff

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.Dd May 27, 2021
.Dt ZPOOL-INITIALIZE 8
.Os
.
.Sh NAME
.Nm zpool-initialize
.Nd write to unallocated regions of ZFS storage pool
.Sh SYNOPSIS
.Nm zpool
.Cm initialize
.Op Fl c Ns | Ns Fl s | Ns Fl u
.Op Fl w
.Ar pool
.Oo Ar device Oc Ns
.
.Sh DESCRIPTION
Begins initializing by writing to all unallocated regions on the specified
devices, or all eligible devices in the pool if no individual devices are
specified.
Only leaf data or log devices may be initialized.
.Bl -tag -width Ds
.It Fl c , -cancel
Cancel initializing on the specified devices, or all eligible devices if none
are specified.
If one or more target devices are invalid or are not currently being
initialized, the command will fail and no cancellation will occur on any device.
.It Fl s , -suspend
Suspend initializing on the specified devices, or all eligible devices if none
are specified.
If one or more target devices are invalid or are not currently being
initialized, the command will fail and no suspension will occur on any device.
Initializing can then be resumed by running
.Nm zpool Cm initialize
with no flags on the relevant target devices.
.It Fl u , -uninit
Clears the initialization state on the specified devices, or all eligible
devices if none are specified.
If the devices are being actively initialized the command will fail.
After being cleared
.Nm zpool Cm initialize
with no flags can be used to re-initialize all unallocoated regions on
the relevant target devices.
.It Fl w , -wait
Wait until the devices have finished initializing before returning.
.El
.
.Sh SEE ALSO
.Xr zpool-add 8 ,
.Xr zpool-attach 8 ,
.Xr zpool-create 8 ,
.Xr zpool-online 8 ,
.Xr zpool-replace 8 ,
.Xr zpool-trim 8