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--- zfs:pools:expand_a_zfs_pool [2021/10/13 21:28] – created peter
+++ zfs:pools:expand_a_zfs_pool [2021/10/13 21:35] (current) – peter
@@ Line 4: / Line 4: @@
 zpool attach - This attaches a device to a vdev in the pool. This generally results in more redundancy.
+----
+===== Adding vdevs =====
+Adding a RAID Z1 vdev to a pool
+<code bash>
+zpool add testpool raidz1 ada4 ada5 ada6
+</code>
+Adding a mirrored vdev to a pool:
+<code bash>
+zpool add testpool mirror ada4 ada5 ada6
+zpool add otherpool ada4
+</code>
+<WRAP info>
+**NOTE:**  This will increase capacity.
+</WRAP>
+----
+===== Attaching disks =====
+A Disk can be attached.
+<code bash>
+zpool attach testpool ada1 ada4
+</code>
+<WRAP info>
+**NOTE:**  This will add ada4 to whichever vdev has ada1.
+  * This results in no capacity increase.
+</WRAP>
+----
+===== Detaching Disks =====
+A disk can also be detached:
+<code bash>
+zpool detach testpool ada4
+</code>