updated disk checking logic in rsync on remote check

common.sh

@@ -643,30 +643,57 @@ check_remote_disks() {
         exit 1
     fi
 
-    # Find which disk(s) back this share on remote
+    # Find which disk(s) back this share on remote — check full path first
+    # Share may be nested (e.g. /mnt/user/appdata-Failover/Critical-Data lives at
+    # /mnt/cache/appdata-Failover/Critical-Data on the remote cache pool)
     local backing_disks
     backing_disks=$(ssh -i "$SSH_KEY" root@"$REMOTE_SERVER" \
         "ls -d /mnt/disk*/$share_name 2>/dev/null | awk -F/ '{print \$3}'" 2>/dev/null)
 
-    # Also check ZFS standalone pools (cache, gaming, media-servers etc.)
+    # Check ZFS standalone pools for the share — by basename AND nested path
     local zfs_pool_paths
     zfs_pool_paths=$(ssh -i "$SSH_KEY" root@"$REMOTE_SERVER" \
         "zpool list -H -o name 2>/dev/null | while read pool; do
-            [[ -d \"/mnt/\${pool}/$share_name\" ]] && echo \"\$pool\"
-        done" 2>/dev/null)
+            # Check direct: /mnt/pool/sharename
+            [[ -d \"/mnt/\${pool}/$share_name\" ]] && echo \"\$pool\" && continue
+            # Check nested: /mnt/pool/**/sharename (one level deep)
+            find \"/mnt/\${pool}\" -maxdepth 2 -name '$share_name' -type d 2>/dev/null | \
+                grep -q . && echo \"\$pool\"
+        done | sort -u" 2>/dev/null)
+
+    # Also check unRAID shfs — share exists under /mnt/user which is the union filesystem
+    # If the path exists under /mnt/user on remote it's accessible regardless of backing disk
+    if [[ -z "$backing_disks" ]] && [[ -z "$zfs_pool_paths" ]]; then
+        local on_user
+        on_user=$(ssh -i "$SSH_KEY" root@"$REMOTE_SERVER" \
+            "find /mnt/user -maxdepth 3 -name '$share_name' -type d 2>/dev/null | head -1" \
+            2>/dev/null)
+        if [[ -n "$on_user" ]]; then
+            # Share exists on remote shfs — find which pool backs it
+            local actual_path
+            actual_path=$(ssh -i "$SSH_KEY" root@"$REMOTE_SERVER" \
+                "readlink -f '$on_user' 2>/dev/null || echo '$on_user'" 2>/dev/null)
+            local pool_name
+            pool_name=$(echo "$actual_path" | awk -F/ '{print $3}')
+            if [[ -n "$pool_name" ]] && [[ "$pool_name" != "user" ]]; then
+                zfs_pool_paths="$pool_name"
+                info "$ICON_DISK $share_name found at $actual_path on $REMOTE_SERVER_NAME"
+            else
+                # Accessible via shfs — verify shfs is mounted
+                local shfs_ok
+                shfs_ok=$(ssh -i "$SSH_KEY" root@"$REMOTE_SERVER" \
+                    "mountpoint -q /mnt/user && echo yes || echo no" 2>/dev/null)
+                if [[ "$shfs_ok" == "yes" ]]; then
+                    success "All disks backing $share_name are online ✅ (via shfs)"
+                    return 0
+                fi
+            fi
+        fi
+    fi
 
     if [[ -z "$backing_disks" ]] && [[ -z "$zfs_pool_paths" ]]; then
-        # Check cache pool directly
-        local on_cache
-        on_cache=$(ssh -i "$SSH_KEY" root@"$REMOTE_SERVER" \
-            "[[ -d '/mnt/cache/$share_name' ]] && echo yes" 2>/dev/null)
-        if [[ "$on_cache" == "yes" ]]; then
-            backing_disks=""
-            zfs_pool_paths="cache"
-        else
-            error "$ICON_DISK No disks found backing $share_name on $REMOTE_SERVER_NAME"
-            exit 1
-        fi
+        error "$ICON_DISK No disks found backing $share_name on $REMOTE_SERVER_NAME"
+        exit 1
     fi
 
     local all_ok=true
@@ -676,7 +703,6 @@ check_remote_disks() {
         while IFS= read -r disk_name; do
             [[ -z "$disk_name" ]] && continue
 
-            # Get fsType for this disk from disks.ini
             local fs_type
             fs_type=$(echo "$disks_ini_content" | awk -F= -v disk="$disk_name" '
                 /^\["'"'"'?/ { current=substr($0,3,length($0)-4) }
@@ -685,7 +711,6 @@ check_remote_disks() {
             fs_type="${fs_type:-xfs}"
 
             if [[ "$fs_type" == "zfs" ]]; then
-                # ZFS single disk in array — check zpool status
                 local pool_health
                 pool_health=$(ssh -i "$SSH_KEY" root@"$REMOTE_SERVER" \
                     "zpool list -H -o health '$disk_name' 2>/dev/null" 2>/dev/null)
@@ -696,7 +721,6 @@ check_remote_disks() {
                     all_ok=false
                 fi
             else
-                # XFS — check mountpoint
                 local mounted
                 mounted=$(ssh -i "$SSH_KEY" root@"$REMOTE_SERVER" \
                     "mountpoint -q '/mnt/$disk_name' && echo yes || echo no" 2>/dev/null)
@@ -710,7 +734,7 @@ check_remote_disks() {
         done <<< "$backing_disks"
     fi
 
-    # Check ZFS standalone pools
+    # Check ZFS standalone pools (cache, gaming, media-servers etc.)
     if [[ -n "$zfs_pool_paths" ]]; then
         while IFS= read -r pool_name; do
             [[ -z "$pool_name" ]] && continue