GEODE-10422: add Note for parallel recovery disk store (#7858)

* GEODE-10422: add Note for parallel recovery disk store

* empty commit to re-launch CI
diff --git a/geode-docs/managing/disk_storage/optimize_availability_and_performance.html.md.erb b/geode-docs/managing/disk_storage/optimize_availability_and_performance.html.md.erb
index f0bfd8b..d15b185 100644
--- a/geode-docs/managing/disk_storage/optimize_availability_and_performance.html.md.erb
+++ b/geode-docs/managing/disk_storage/optimize_availability_and_performance.html.md.erb
@@ -33,5 +33,7 @@
     ```
     start server --name=server1 --J=-Dgeode.parallelDiskStoreRecovery=false
     ```
-
+**Note:**
+In case using parallel disk store recovery, use different disk stores for the PDX and the region.
+Otherwise, it will run in the sequential recovery mode, regardless of the above flag.