Sorry all if this is a repeat, the original message was kicked back stating it needs moderator approval because I'm a non-member (sending address was new v. address which joined the list). ------------------------------------------------------------------------------------ Backing up fully-patched Windows Server 2022 using fully-patched Ubuntu 22.04LTS. Still using 13.0.1-22081215~jammy and Bacula 13 windows binaries, built for 2012, because it's worked for years without giving any problems. I've made no configuration changes in a long time.
On Monday (5/4) I started getting an error I'd never dealt with before: "Wrote X bytes to Storage daemon, but only Y accepted" (see below for output). Sometimes the "accepted" bytecount is 32768, sometimes it's less. The first time I saw the error, the "accepted" byte count was 32768, so I changed from "Maximum Network Buffer Size = 65536" to "Maximum Network Buffer Size = 32768" in both sd.conf and fd.conf (server) and fd.conf (client), restarted the daemons/service, and still get the error. I don't know why the "attempted" bytecount below is > 32768 (32772). Prior to the error, I have not made changes to the configuration for a LONG time, it's "just worked" for years. The last working backup was taken 4/27; since then I have applied the Windows 2022 April 2025 patch and on 4/28 I updated the Linux computer (it gets apt update / apt upgrade every week). With no changes to the Bacula configuration, my !assumption! is that it's one of those updates. Output: 05-May 09:35 BACKUPSERVER-sd JobId 920: Recycled volume "tempDisk-0195" on File device "FileChgr1-Dev1" (/baculaD2D/ch1), all previous data lost. 05-May 09:35 BACKUPSERVER-dir JobId 920: Max Volume jobs=1 exceeded. Marking Volume "tempDisk-0195" as Used. 05-May 09:42 BACKUPSERVER-sd JobId 920: End of medium on Volume "tempDisk-0195" Bytes=53,687,071,443 Blocks=832,203 at 05-May-2026 09:42. 05-May 09:42 BACKUPSERVER-dir JobId 920: Recycled volume "tempDisk-0197" 05-May 09:42 BACKUPSERVER-sd JobId 920: Recycled volume "tempDisk-0197" on File device "FileChgr1-Dev1" (/baculaD2D/ch1), all previous data lost. 05-May 09:42 BACKUPSERVER-dir JobId 920: Max Volume jobs=1 exceeded. Marking Volume "tempDisk-0197" as Used. 05-May 09:42 BACKUPSERVER-sd JobId 920: New volume "tempDisk-0197" mounted on device "FileChgr1-Dev1" (/baculaD2D/ch1) at 05-May-2026 09:42. 05-May 09:50 BACKUPSERVER-sd JobId 920: End of medium on Volume "tempDisk-0197" Bytes=53,687,071,439 Blocks=832,203 at 05-May-2026 09:50. 05-May 09:50 BACKUPSERVER-dir JobId 920: Recycled volume "tempDisk-0198" 05-May 09:50 BACKUPSERVER-sd JobId 920: Recycled volume "tempDisk-0198" on File device "FileChgr1-Dev1" (/baculaD2D/ch1), all previous data lost. 05-May 09:50 BACKUPSERVER-dir JobId 920: Max Volume jobs=1 exceeded. Marking Volume "tempDisk-0198" as Used. 05-May 09:50 BACKUPSERVER-sd JobId 920: New volume "tempDisk-0198" mounted on device "FileChgr1-Dev1" (/baculaD2D/ch1) at 05-May-2026 09:50. 05-May 09:53 TARGET-fd JobId 920: Error: lib/bsock.c:397 Wrote 32772 bytes to Storage daemon:BACKUPSERVER.FQDN.NET:9103, but only 32768 accepted. 05-May 09:53 TARGET-fd JobId 920: Fatal error: filed/backup.c:1008 Network send error to SD. ERR=Input/output error 05-May 09:53 TARGET-fd JobId 920: Error: lib/bsock.c:276 Socket has errors=1 on call to Storage daemon:BACKUPSERVER.FQDN.NET:9103 05-May 09:53 BACKUPSERVER-dir JobId 920: Error: Director's connection to SD for this Job was lost. 05-May 09:53 BACKUPSERVER-dir JobId 920: Error: Bacula Enterprise BACKUPSERVER-dir 13.0.1 (05Aug22): Build OS: x86_64-pc-linux-gnu-bacula-enterprise ubuntu 22.04 JobId: 920 Job: 3fpc-D2D-job.2026-05-05_09.32.59_14 Backup Level: Full Client: "TARGET-fd" 13.0.4 (12Feb24) Microsoft Windows Server 2012 Standard Edition (build 9200), 64-bit,Cross-compile,Win64 FileSet: "MY-fileset" 2026-03-23 08:36:16 Pool: "tempDisk-pool" (From Job resource) Catalog: "MyCatalog" (From Client resource) Storage: "File1" (From Pool resource) Scheduled time: 05-May-2026 09:32:57 Start time: 05-May-2026 09:35:20 End time: 05-May-2026 09:53:20 Elapsed time: 18 mins Priority: 10 FD Files Written: 54 SD Files Written: 0 FD Bytes Written: 124,691,959,104 (124.6 GB) SD Bytes Written: 0 (0 B) Rate: 115455.5 KB/s Software Compression: 100.0% 1.0:1 Comm Line Compression: None Snapshot/VSS: no Encryption: no Accurate: no Volume name(s): tempDisk-0195|tempDisk-0197 Volume Session Id: 2 Volume Session Time: 1777991143 Last Volume Bytes: 16,998,909,455 (16.99 GB) Non-fatal FD errors: 3 SD Errors: 0 FD termination status: Error SD termination status: Error Termination: *** Backup Error *** ------------------------------------------------------------------------------------ UPDATE: https://www.bleepingcomputer.com/news/microsoft/microsoft-confirms-backup-failures-caused-by-vulnerable-driver-block/ - this specifically talks about VSS breakage. I'm not using VSS, but maybe still related This electronic message contains information generated by the USDA solely for the intended recipients. Any unauthorized interception of this message or the use or disclosure of the information it contains may violate the law and subject the violator to civil or criminal penalties. If you believe you have received this message in error, please notify the sender and delete the email immediately.
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