From 424f0dfdf5d6126485339a3a2470e7f16136dfa2 Mon Sep 17 00:00:00 2001
From: Wei Zhou <weizhou@apache.org>
Date: Tue, 21 Jul 2026 18:59:56 +0200
Subject: [PATCH] nasbackup: fix agent.log is cleaned when backup stopped vm
 (#13641)

---
 scripts/vm/hypervisor/kvm/nasbackup.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/vm/hypervisor/kvm/nasbackup.sh b/scripts/vm/hypervisor/kvm/nasbackup.sh
index e4204feb29b..5b3bed7c875 100755
--- a/scripts/vm/hypervisor/kvm/nasbackup.sh
+++ b/scripts/vm/hypervisor/kvm/nasbackup.sh
@@ -407,7 +407,7 @@ backup_stopped_vm() {
       volUuid="${disk##*/}"
     fi
     output="$dest/$name.$volUuid.qcow2"
-    if ! qemu-img convert -O qcow2 "$disk" "$output" > "$logFile" 2> >(cat >&2); then
+    if ! qemu-img convert -O qcow2 "$disk" "$output" >> "$logFile" 2> >(cat >&2); then
       echo "qemu-img convert failed for $disk $output"
       cleanup
       exit 1