diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index 3feb15f..79f5e93 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -13,12 +13,12 @@
             "state": {
               "type": "markdown",
               "state": {
-                "file": "2025/xg-infra-upgrade-2025.md",
+                "file": "2021/zfs-snapshots.md",
                 "mode": "source",
                 "source": false
               },
               "icon": "lucide-file",
-              "title": "xg-infra-upgrade-2025"
+              "title": "zfs-snapshots"
             }
           }
         ]
@@ -52,7 +52,7 @@
             "state": {
               "type": "search",
               "state": {
-                "query": "tag: #freebsd  infra",
+                "query": "snap",
                 "matchingCase": false,
                 "explainSearch": false,
                 "collapseAll": false,
@@ -165,8 +165,8 @@
   },
   "active": "316987f51496a482",
   "lastOpenFiles": [
-    "2024/Gitea build on FreeBSD 14.2.md",
     "2025/xg-infra-upgrade-2025.md",
+    "2024/Gitea build on FreeBSD 14.2.md",
     "2021/zfs-snapshots.md",
     "2024/So you wanna do FreeBSD 14.1 and native Home Assistant?.md",
     "2024/freebsd-notes.md",
diff --git a/2025/xg-infra-upgrade-2025.md b/2025/xg-infra-upgrade-2025.md
index 0ab8f1b..33c7934 100644
--- a/2025/xg-infra-upgrade-2025.md
+++ b/2025/xg-infra-upgrade-2025.md
@@ -102,6 +102,18 @@ data/test-dataset/dataset-1   128M   410G   128M  /data/test-dataset/dataset-1
 https://klarasystems.com/articles/openzfs-storage-best-practices-and-use-cases-part-3-databases-and-vms/
 https://github.com/openzfs/zfs/issues/7631 
 
+## Syncthing per-share zfs subvolume
+
+For important shares data we set copies=2 and checksum=sha256
+```
+# zfs create zpool/syncthing/shares/myshare
+# zfs set copies=2 zpool/syncthing/shares/myshare
+# zfs set checksum=sha256 zpool/syncthing/shares/myshare
+```
+
+Which shares?:
+* jerry/pyrotechnics
+* jerry/private
 ## ZFS snapshot visibility
 
 Hide the `.zfs/snapshot` directory in the dataset so Syncthing doesn't sync it by accident when not ignored via `.stignore`:
@@ -123,6 +135,7 @@ See https://docs.oracle.com/cd/E78901_01/html/E78912/gprhq.html
 
 * [[freebsd-notes]]
 * [[freebsd-jail-vanilla]]
+* [[zfs-snapshots]]
 * [[So you wanna do FreeBSD 14.1 and native Home Assistant?]]
 * [[computers-and-machines]]