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From: Christian Ebner <c.ebner@proxmox.com>
To: pbs-devel@lists.proxmox.com
Date: Thu,  8 May 2025 15:05:40 +0200
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Subject: [pbs-devel] [RFC v2 proxmox-backup 06/21] api: tape: check trash
 marker when trying to write snapshot
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Since snapshots might be marked as trash, the snapshot directory
can still be present until cleaned up by garbage collection.

Therefore, check for the presence of the trash marker after acquiring
the locked snapshot reader and skip over marked ones.

Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
---
 src/api2/tape/backup.rs | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/api2/tape/backup.rs b/src/api2/tape/backup.rs
index 923cb7834..17c8bc605 100644
--- a/src/api2/tape/backup.rs
+++ b/src/api2/tape/backup.rs
@@ -574,7 +574,13 @@ fn backup_snapshot(
     info!("backup snapshot {snapshot_path:?}");
 
     let snapshot_reader = match snapshot.locked_reader() {
-        Ok(reader) => reader,
+        Ok(reader) => {
+            if snapshot.is_trashed() {
+                info!("snapshot {snapshot_path:?} trashed, skipping");
+                return Ok(SnapshotBackupResult::Ignored);
+            }
+            reader
+        }
         Err(err) => {
             if !snapshot.full_path().exists() {
                 // we got an error and the dir does not exist,
-- 
2.39.5



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