不常见，但有的时候开机redis没有自个启动，不知道如何查找原因，请高人指点

$ redis-cli
Could not connect to Redis at 127.0.0.1:6379: Connection refused

我看了下日至，如下

[207] 29 Sep 18:22:41.020 * 1 changes in 900 seconds. Saving...
[207] 29 Sep 18:22:41.099 * Background saving started by pid 2473
[2473] 29 Sep 18:22:41.685 * DB saved on disk
[207] 29 Sep 18:22:42.014 * Background saving terminated with success
[207 | signal handler] (1380450274) Received SIGTERM, scheduling shutdown...
[207] 29 Sep 18:24:34.759 # User requested shutdown...
[207 | signal handler] (1380450274) Received SIGTERM, scheduling shutdown...
[207] 29 Sep 18:24:34.899 * Saving the final RDB snapshot before exiting.
[207] 29 Sep 18:24:35.050 * DB saved on disk
[207] 29 Sep 18:24:35.050 * Removing the pid file.
[207] 29 Sep 18:24:35.150 # Redis is now ready to exit, bye bye...
[620] 29 Sep 21:50:35.953 * Max number of open files set to 10032
                _._
           _.-``__ ''-._
      _.-``    `.  `_.  ''-._           Redis 2.6.14 (00000000/0) 64 bit
  .-`` .-".  "\/    _.,_ ''-._
 (    '      ,       .-`  | `,    )     Running in stand alone mode
 |`-._`-...-` __...-.``-._|'` _.-'|     Port: 6379
 |    `-._   `._    /     _.-'    |     PID: 620
  `-._    `-._  `-./  _.-'    _.-'
 |`-._`-._    `-.__.-'    _.-'_.-'|
 |    `-._`-._        _.-'_.-'    |           http://redis.io
  `-._    `-._`-.__.-'_.-'    _.-'
 |`-._`-._    `-.__.-'    _.-'_.-'|
 |    `-._`-._        _.-'_.-'    |
  `-._    `-._`-.__.-'_.-'    _.-'
      `-._    `-.__.-'    _.-'
          `-._        _.-'
              `-.__.-'

[620] 29 Sep 21:50:35.971 # Server started, Redis version 2.6.14
[620] 29 Sep 21:50:35.984 * DB loaded from disk: 0.013 seconds
[620] 29 Sep 21:50:35.984 * The server is now ready to accept connections on port 6379

好像也没有异常，上面提到的

[207] 29 Sep 18:24:35.050 * Removing the pid file.

因该是我关机的缘故，pid删除了，一般的情况下，开机会自动启动pid的，但是这次没有，上面启动界面是我最有一次手动启动的log信息