since yesterday we are getting an error on all PVE Backups:
01.07.2025 09:55:23 :: <servername>: Failed to perform backup: Failed to clear resources from previous backups
there were some minor updates installed on PVE beforehand:
2025-06-30 10:54:58 status installed libicu72:amd64 72.1-3+deb12u1
2025-06-30 10:55:01 status installed ca-certificates:all 20230311+deb12u1
2025-06-30 10:55:01 status installed libtpms0:amd64 0.9.7+pve1
2025-06-30 10:55:01 status installed libxml2:amd64 2.9.14+dfsg-1.3~deb12u2
2025-06-30 10:55:04 status installed man-db:amd64 2.11.2-2
2025-06-30 10:55:04 status installed libc-bin:amd64 2.36-9+deb12u10
2025-06-30 10:55:05 status installed ca-certificates:all 20230311+deb12u1
from the logfile I can see the following errors:
Code: Select all
2025-07-01 06:46:55.7225 00006 [1518] INFO | [SshClientExtensions]: Successfully created the shell stream
2025-07-01 06:46:55.7263 00006 [1518] INFO | [SshClientExtensions]: Executing the following SSH command with sudo using the shell stream: "pvesh get storage/plx_pve_nfs2 --output json"
2025-07-01 06:46:56.3376 00006 [1518] INFO | [SnapshotFileManager]: Failed to obtain the storage path: Newtonsoft.Json.JsonReaderException: Error parsing undefined value. Path '', line 1, position 1.
2025-07-01 06:46:56.3376 00006 [1518] INFO | [SnapshotFileManager]: at Newtonsoft.Json.JsonTextReader.ParseUndefined()
2025-07-01 06:46:56.3376 00006 [1518] INFO | [SnapshotFileManager]: at Newtonsoft.Json.JsonTextReader.ParseValue()
2025-07-01 06:46:56.3376 00006 [1518] INFO | [SnapshotFileManager]: at Newtonsoft.Json.Linq.JObject.Load(JsonReader reader, JsonLoadSettings settings)
2025-07-01 06:46:56.3376 00006 [1518] INFO | [SnapshotFileManager]: at Newtonsoft.Json.Linq.JObject.Parse(String json, JsonLoadSettings settings)
2025-07-01 06:46:56.3376 00006 [1518] INFO | [SnapshotFileManager]: at Newtonsoft.Json.Linq.JObject.Parse(String json)
2025-07-01 06:46:56.3376 00006 [1518] INFO | [SnapshotFileManager]: at Veeam.Vbf.BackupAgent.BackupProxmox.Utils.SnapshotFileManager.GetStoragePath(String storageName)
2025-07-01 06:46:56.3421 00006 [1518] ERROR | [NbdEngine]: "Failed to clear resources from previous backups": Newtonsoft.Json.JsonReaderException: Error parsing undefined value. Path '', line 1, position 1.
2025-07-01 06:46:56.3421 00006 [1518] ERROR | [NbdEngine]: at Newtonsoft.Json.JsonTextReader.ParseUndefined()
2025-07-01 06:46:56.3421 00006 [1518] ERROR | [NbdEngine]: at Newtonsoft.Json.JsonTextReader.ParseValue()
2025-07-01 06:46:56.3421 00006 [1518] ERROR | [NbdEngine]: at Newtonsoft.Json.Linq.JObject.Load(JsonReader reader, JsonLoadSettings settings)
2025-07-01 06:46:56.3421 00006 [1518] ERROR | [NbdEngine]: at Newtonsoft.Json.Linq.JObject.Parse(String json, JsonLoadSettings settings)
2025-07-01 06:46:56.3421 00006 [1518] ERROR | [NbdEngine]: at Newtonsoft.Json.Linq.JObject.Parse(String json)
2025-07-01 06:46:56.3421 00006 [1518] ERROR | [NbdEngine]: at Veeam.Vbf.BackupAgent.BackupProxmox.Utils.SnapshotFileManager.GetStoragePath(String storageName)
2025-07-01 06:46:56.3421 00006 [1518] ERROR | [NbdEngine]: at Veeam.Vbf.BackupAgent.BackupProxmox.Utils.SnapshotFileManager.DeleteSnapshotFile(Int32 vmId, BlockDevice device, String sessionId, String deviceStorageName, String defaultSnapshotStorageName, Func`2 checkStorageEnabled)
2025-07-01 06:46:56.3421 00006 [1518] ERROR | [NbdEngine]: at Veeam.Vbf.BackupAgent.BackupProxmox.Utils.ResourceCleaner.CleanStorageAsync(Int32 vmId, VmBackupParams vmBackupParams, Func`2 checkStorageEnabled, CancellationToken cancellationToken)
2025-07-01 06:46:56.3421 00006 [1518] ERROR | [NbdEngine]: at Veeam.Vbf.BackupAgent.BackupProxmox.Engine.NbdBackupEngine.CleanResourcesFromPreviousRunsAsync(Int32 vmId, String jobId, CancellationToken cancellationToken)
2025-07-01 06:46:56.3460 00006 [1518] INFO | [QmpCommands]: Stopping the NBD server...Does anybody have an idea, whats up?