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    (SOLVED) Recent System Updates Cannot Backup Stale File Handle

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    • M
      mihairosu
      last edited by mihairosu

      Hello all, I just recently did some system updates, but not Mango (run 2x MangoES (Debian 10) and 1x Mango Enterprise Server Ubuntu 22.04) and some backups are now failing and I'm not sure why.

      The files are created with 0 size.

      Backups happen to a networked Samba share (TrueNAS system 12 to 13). The location mounts via autofs and I set to mount as root with permission 777 just to test and make sure it's not a permission error. I can write to it using any other user (previously it was mounted as mango:mango, but that doesn't work either)

      I am seeing the following in the logs:

      ERROR 2022-09-09T14:48:46,409 (com.serotonin.m2m2.rt.maint.work.DatabaseBackupWorkItem.backupMysqlWithOutDatabase:453) - java.io.IOException: Cannot run program "/usr/bin/mysqldump": /mnt/backups>
java.io.FileNotFoundException: /mnt/backups/sqlbackups/core-database-MYSQL-Sep-09-2022_144846.sql (Stale file handle)
        at java.io.FileOutputStream.open0(Native Method) ~[?:1.8.0_162]
        at java.io.FileOutputStream.open(FileOutputStream.java:270) ~[?:1.8.0_162]
        at java.io.FileOutputStream.<init>(FileOutputStream.java:213) ~[?:1.8.0_162]
        at java.lang.ProcessImpl.start(ProcessImpl.java:115) ~[?:1.8.0_162]
        at java.lang.ProcessBuilder.start(ProcessBuilder.java:1029) ~[?:1.8.0_162]
        at com.serotonin.m2m2.rt.maint.work.DatabaseBackupWorkItem.backupMysqlWithOutDatabase(DatabaseBackupWorkItem.java:414) ~[mango-3.7.12.jar:?]
        at com.serotonin.m2m2.rt.maint.work.DatabaseBackupWorkItem.execute(DatabaseBackupWorkItem.java:161) ~[mango-3.7.12.jar:?]
        at com.serotonin.m2m2.rt.maint.BackgroundProcessingImpl$RejectableWorkItemRunnable.run(BackgroundProcessingImpl.java:629) ~[mango-3.7.12.jar:?]
        at com.serotonin.timer.Task.runTask(Task.java:179) ~[mango-3.7.12.jar:?]
        at com.serotonin.timer.TaskWrapper.run(TaskWrapper.java:23) ~[mango-3.7.12.jar:?]
        at com.serotonin.timer.OrderedThreadPoolExecutor$OrderedTaskCollection.run(OrderedThreadPoolExecutor.java:314) ~[mango-3.7.12.jar:?]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ~[?:1.8.0_162]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ~[?:1.8.0_162]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_162]
WARN  2022-09-09T14:48:46,500 (com.serotonin.m2m2.rt.maint.work.DatabaseBackupWorkItem.execute:176) - Unable to create backup file: /mnt/backups/sqlbackups/core-database-MYSQL-Sep-09-2022_144846
INFO  2022-09-09T14:50:04,689 (com.serotonin.m2m2.rt.maint.work.BackupWorkItem.execute:101) - Starting backup WorkItem.
WARN  2022-09-09T14:50:09,919 (com.serotonin.m2m2.rt.maint.work.BackupWorkItem.execute:174) - java.io.FileNotFoundException: /mnt/backups/configurationbackups/Mango-Configuration-Sep-09-2022_1450>
INFO  2022-09-09T14:50:10,005 (com.serotonin.m2m2.rt.maint.work.BackupWorkItem.execute:181) - Finished backup WorkItem.
INFO  2022-09-09T14:50:44,830 (com.serotonin.m2m2.rt.maint.work.BackupWorkItem.execute:101) - Starting backup WorkItem.
INFO  2022-09-09T14:50:49,796 (com.serotonin.m2m2.rt.maint.work.BackupWorkItem.execute:181) - Finished backup WorkItem.
INFO  2022-09-09T14:52:32,283 (com.serotonin.m2m2.rt.maint.work.BackupWorkItem.execute:101) - Starting backup WorkItem.
WARN  2022-09-09T14:52:37,333 (com.serotonin.m2m2.rt.maint.work.BackupWorkItem.execute:174) - java.io.FileNotFoundException: /mnt/backups/configurationbackups/Mango-Configuration-Sep-09-2022_1452>
INFO  2022-09-09T14:52:37,452 (com.serotonin.m2m2.rt.maint.work.BackupWorkItem.execute:181) - Finished backup WorkItem.
INFO  2022-09-09T14:54:34,713 (com.serotonin.m2m2.rt.maint.work.BackupWorkItem.execute:101) - Starting backup WorkItem.
WARN  2022-09-09T14:54:39,775 (com.serotonin.m2m2.rt.maint.work.BackupWorkItem.execute:174) - java.io.FileNotFoundException: /mnt/backups/configurationbackups/Mango-Configuration-Sep-09-2022_1454>
INFO  2022-09-09T14:54:39,871 (com.serotonin.m2m2.rt.maint.work.BackupWorkItem.execute:181) - Finished backup WorkItem.
INFO  2022-09-09T14:55:32,981 (com.serotonin.m2m2.rt.maint.work.BackupWorkItem.execute:101) - Starting backup WorkItem.
WARN  2022-09-09T14:55:37,478 (com.serotonin.m2m2.rt.maint.work.BackupWorkItem.execute:174) - java.io.FileNotFoundException: /mnt/backups/configurationbackups/Mango-Configuration-Sep-09-2022_1455>
INFO  2022-09-09T14:55:37,568 (com.serotonin.m2m2.rt.maint.work.BackupWorkItem.execute:181) - Finished backup WorkItem.

      Weird thing is, on the MangoES, Configuration and SQL database backups work fine, but NoSQL backups fail due to stale file handle.

      On the Mango Enterprise, ALL backups fail.

      All backup to the same device and share.

      Here are some examples of the mount options I used:

      /mnt/backups   -fstype=cifs,username=smbusername,password=smbpassword,uid=root,gid=root,file_mode=0777,dir_mode=0777 ://backups.internal.sheridanpoint.org/backups/historian

      There's no memory issues...
      I tried Smb version 1.0 without any luck.

      Any ideas on what might be going on?

      M 1 Reply Last reply Reply Quote 0
      • M
        mihairosu
        last edited by

        This post is deleted!
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        • M
          mihairosu @mihairosu
          last edited by

          @mihairosu

          I was able to solve it by adding "noserverino" to the mount options.

          MattFoxM 1 Reply Last reply Reply Quote 0
          • MattFoxM
            MattFox @mihairosu
            last edited by

            @mihairosu Thanks for sharing!

            Fox

            Do not follow where the path may lead; go instead where there is no path.
            And leave a trail - Muriel Strode

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