60690: Acronis Cyber Backup 12.5: "Failed to replace the volume" error

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Last update: Fri, 2020-05-01 06:16


You are backing up a Linux machine to an NFS share.

Consolidation, replication, or cleanup fails with:

Error code: 35
Module: 64
LineInfo: 95962d9a14426f08
Fields:  volume : 2016_01_04_13_33_06_333D.TMP, $module : disk_bundle_lxa64_pic_44124
Message: Failed to replace the volume.


After backup, the backup file is not unlocked for other operations. Windows NFS server does not work correctly with byte range locks which results in a deadlock on NFS server side.


  1. On the Linux machine, open /usr/sbin/acronis_mms in an editor, for example, vi:
    vi /usr/sbin/acronis_mms
  2. Press i to enter the editing mode.
  3. After ulimit -s 2048, add this line:
    export MOUNT_NFS_NOLOCK=1
  4. Press Esc to exit the editing mode.
  5. To exit the editor and save changes, issue the following command:
  6. Restart mms:
    /etc/init.d/acronis_mms restart