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Add the ability to uninitialize

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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
This commit is contained in:
Brian Behlendorf
2023-05-18 10:02:20 -07:00
parent e2176f12a9
commit e97637d484
13 changed files with 258 additions and 16 deletions
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man/man8/zpool-initialize.8
+9 -1
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@@ -36,7 +36,7 @@
.Sh SYNOPSIS
.Nm zpool
.Cm initialize
.Op Fl c Ns | Ns Fl s
.Op Fl c Ns | Ns Fl s | Ns Fl u
.Op Fl w
.Ar pool
.Oo Ar device Oc Ns …
@@ -60,6 +60,14 @@ 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