diff --git a/docs/zfs.md b/docs/zfs.md
index 0cb05a4..659085a 100644
--- a/docs/zfs.md
+++ b/docs/zfs.md
@@ -13,3 +13,33 @@ sudo zfs set compression=zstd tank/myzstddataset
 sudo zfs set mountpoint=/data/mydataset tank/mydataset
 ```
 
+## Maintenance
+
+### Get Status
+
+```
+sudo zpool status
+```
+
+### Replace Disk
+
+```
+sudo zdb
+sudo zpool status -g # Show by GUID
+sudo zpool offline tank <GUID>
+sudo zpool status
+# Remove old disk, insert new disk
+sudo zdb
+sudo zpool replace tank <OLD GUID> /dev/disk/by-id/<NEW PATH>
+sudo zpool status
+```
+
+## Initial Setup
+
+```
+sudo zpool create tank raidz1 sda sdb sdc
+sudo zpool set ashift=12 tank
+sudo zpool set autoexpand=on tank
+sudo zpool set compression=on tank
+```
+