bash脚本调用rdiff-backup永不结束

Question

我想运行rdiff-backup，然后切换运行它的raspberrypi。我使用以下脚本：

#!/bin/sh

date > /home/mik/rdiff-backup.log
echo "rsync start" >> /home/mik/rdiff-backup.log
rdiff-backup -v5 --print-statistics offlinebackup@server::/srv/backup /srv/datenserverBackup/backup >> /home/mik/rdiff-backup.log 2>&1

sync
date >> /home/mik/rdiff-backup.log
echo "rdiff-backup end" >> /home/mik/rdiff-backup.log
df -h >> /home/mik/rdiff-backup.log

sync
halt

日志文件看起来很好(对于rdiff-backup部分)：

Sat 12 Aug 08:20:59 UTC 2017
rsync start
Unable to import win32security module. Windows ACLs
not supported by filesystem at /srv/backup
escape_dos_devices not required by filesystem at /srv/backup
Warning: name offlinebackup not found on system, dropping ACL entry.
Further ACL entries dropped with this name will not trigger further warnings
Using rdiff-backup version 1.2.8
Executing ssh -C offlinebackup@server rdiff-backup --server
-----------------------------------------------------------------
Detected abilities for source (read only) file system:
  Access control lists                         On
  Extended attributes                          On
  Windows access control lists                 Off
  Case sensitivity                             On
  Escape DOS devices                           Off
  Escape trailing spaces                       Off
  Mac OS X style resource forks                Off
  Mac OS X Finder information                  Off
-----------------------------------------------------------------
Unable to import win32security module. Windows ACLs
not supported by filesystem at /srv/datenserverBackup/backup/rdiff-backup-data/rdiff-backup.tmp.0
escape_dos_devices not required by filesystem at /srv/datenserverBackup/backup/rdiff-backup-data/rdiff-backup.tmp.0
-----------------------------------------------------------------
Detected abilities for destination (read/write) file system:
  Ownership changing                           On
  Hard linking                                 On
  fsync() directories                          On
  Directory inc permissions                    On
  High-bit permissions                         On
  Symlink permissions                          Off
  Extended filenames                           On
  Windows reserved filenames                   Off
  Access control lists                         On
  Extended attributes                          On
  Windows access control lists                 Off
  Case sensitivity                             On
  Escape DOS devices                           Off
  Escape trailing spaces                       Off
  Mac OS X style resource forks                Off
  Mac OS X Finder information                  Off
-----------------------------------------------------------------
Backup: must_escape_dos_devices = 0
Starting increment operation /srv/backup to /srv/datenserverBackup/backup
Processing changed file .
Incrementing mirror file /srv/datenserverBackup/backup
Processing changed file abc
Incrementing mirror file /srv/datenserverBackup/backup/abc
Processing changed file abc/def
Incrementing mirror file /srv/datenserverBackup/backup/abc/def
Processing changed file abc/def/testfile.dxf
Incrementing mirror file /srv/datenserverBackup/backup/abc/def/testfile.dxf
--------------[ Session statistics ]--------------
StartTime 1502526061.00 (Sat Aug 12 08:21:01 2017)
EndTime 1502527913.72 (Sat Aug 12 08:51:53 2017)
ElapsedTime 1852.72 (30 minutes 52.72 seconds)
SourceFiles 151099
SourceFileSize 386321558216 (360 GB)
MirrorFiles 151097
MirrorFileSize 386321447731 (360 GB)
NewFiles 2
NewFileSize 110485 (108 KB)
DeletedFiles 0
DeletedFileSize 0 (0 bytes)
ChangedFiles 1
ChangedSourceSize 0 (0 bytes)
ChangedMirrorSize 0 (0 bytes)
IncrementFiles 4
IncrementFileSize 0 (0 bytes)
TotalDestinationSizeChange 110485 (108 KB)
Errors 0
--------------------------------------------------

备份正在工作，但是脚本就到此为止了。rdiff-backup.log包含rdiff-backup的完整报告。而不是行"rdiff-backup end"，也不是"df -h“的输出。

我怎么才能让它跑到最后呢？

感谢您的回答

Answer 1

我终于找到了一个变通办法，解决了我的问题。

从/etc/init.d引导后调用的sciprt将调用另一个脚本作为后台任务，该脚本执行实际工作(即备份我的数据和写入日志文件)。

/etc/init.d/CallAfterBoot.sh

#!/bin/sh
sleep 30
/home/me/DoBackup.sh &            # '&' starts the script in background

/home/me/DoBackup.sh是我在上面发布的脚本，它现在可以正常运行。

以相同用户身份运行的相同脚本现在会有不同的行为。一定有一些bug，然而，它现在对我来说是有效的。