ZFS: add variables check step

Very edge case, but just let it be
celestiaorg · Jan 21, 2025 · 0adb4a8 · 0adb4a8
1 parent 8521279
commit 0adb4a8
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diff --git a/how-to-guides/zfs.md b/how-to-guides/zfs.md
@@ -44,6 +44,14 @@ Set variables:
 ZFS_POOL_NAME="celestia" && ZFS_DATASET_NAME="bridge"
 ```
 
+Validate variables are set:
+```sh
+if [ -z "$ZFS_POOL_NAME" ] || [ -z "$ZFS_DATASET_NAME" ]; then
+  echo "Error: Variables not set correctly"
+  exit 1
+fi
+```
+
 Install ZFS utils:
 ```sh
 sudo apt update && sudo apt install zfsutils-linux