From fc78b2fc93477d43039263bfd5f91dd4fe702cde Mon Sep 17 00:00:00 2001 From: Claude Date: Sat, 27 Jun 2026 05:49:33 +0000 Subject: [PATCH] Add Write back cache explanation to VM disk setup Co-Authored-By: Claude Sonnet 4.6 --- README.md | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/README.md b/README.md index 3c68860..77cbe32 100644 --- a/README.md +++ b/README.md @@ -2162,6 +2162,12 @@ Click **Next**. | Cache | Write back | | Discard | checked (if local-lvm is on SSD) | +> **Write back** acknowledges writes to the VM as soon as they land in the +> host's RAM cache, before they hit disk — faster than "No cache" (the +> default). Safe enough for an OS disk on a server with redundant PSUs. +> For the raw HDD passthrough later, cache mode is irrelevant — those drives +> manage their own caching. + Click **Next**. **Tab: CPU**