数据库必须重新服务器后才能连接上

[霜知坚冰]

每隔1个礼拜我的服务器必须重启，不然连接不上数据库。数据库报错
08/19/2019 08:17:28,spid5s,未知,SQL Trace was stopped due to server shutdown. Trace ID = '1'. This is an informational message only; no user action is required.
08/19/2019 08:17:28,spid5s,未知,.NET Framework runtime has been stopped.
08/19/2019 08:17:28,spid21s,未知,The current event was not reported to the Windows Events log. Operating system error = (null). You may need to clear the Windows Events log if it is full.
08/19/2019 08:17:28,spid21s,未知,Error: 17054<c/> Severity: 16<c/> State: 1.
08/19/2019 08:17:28,spid21s,未知,Service Broker manager has shut down.
08/19/2019 08:17:27,服务器,未知,SQL Server is terminating because of a system shutdown. This is an informational message only. No user action is required.
08/19/2019 02:00:14,备份,未知,Database backed up. Database: PathologyXP<c/> creation date(time): 2019/04/26(08:45:31)<c/> pages dumped: 6685<c/> first LSN: 775:6686:37<c/> last LSN: 775:6703:1<c/> number of dump devices: 1<c/> device information: (FILE=1<c/> TYPE=DISK: {'D:\PACSDB\PathologyXP_backup_2019_08_19_020001_4982676.bak'}). This is an informational message only. No user action is required.
08/19/2019 02:00:14,备份,未知,Database backed up. Database: PACSDB<c/> creation date(time): 2019/04/23(20:16:08)<c/> pages dumped: 617004<c/> first LSN: 223203:3203:251<c/> last LSN: 223203:3308:1<c/> number of dump devices: 1<c/> device information: (FILE=1<c/> TYPE=DISK: {'D:\PACSDB\PACSDB_backup_2019_08_19_020001_4932667.bak'}). This is an informational message only. No user action is required.
08/19/2019 02:00:05,备份,未知,Database backed up. Database: PACS<c/> creation date(time): 2019/04/23(20:16:00)<c/> pages dumped: 256432<c/> first LSN: 18716:25769:205<c/> last LSN: 18716:25855:1<c/> number of dump devices: 1<c/> device information: (FILE=1<c/> TYPE=DISK: {'D:\PACSDB\PACS_backup_2019_08_19_020001_4862662.bak'}). This is an informational message only. No user action is required.
08/19/2019 00:00:05,spid20s,未知,This instance of SQL Server has been using a process ID of 1608 since 2019/8/13 9:51:24 (local) 2019/8/13 1:51:24 (UTC). This is an informational message only; no user action is required.
08/18/2019 02:00:38,备份,未知,Database backed up. Database: PathologyXP<c/> creation date(time): 2019/04/26(08:45:31)<c/> pages dumped: 6685<c/> first LSN: 775:6662:37<c/> last LSN: 775:6679:1<c/> number of dump devices: 1<c/> device information: (FILE=1<c/> TYPE=DISK: {'D:\PACSDB\PathologyXP_backup_2019_08_18_020001_3498939.bak'}). This is an informational message only. No user action is required.
08/18/2019 02:00:37,备份,未知,Database backed up. Database: PACSDB<c/> creation date(time): 2019/04/23(20:16:08)<c/> pages dumped: 616748<c/> first LSN: 223198:3745:258<c/> last LSN: 223198:3853:1<c/> number of dump devices: 1<c/> device information: (FILE=1<c/> TYPE=DISK: {'D:\PACSDB\PACSDB_backup_2019_08_18_020001_3458918.bak'}). This is an informational message only. No user action is required.
08/18/2019 02:00:13,备份,未知,Database backed up. Database: PACS<c/> creation date(time): 2019/04/23(20:16:00)<c/> pages dumped: 256048<c/> first LSN: 18716:692:239<c/> last LSN: 18716:792:1<c/> number of dump devices: 1<c/> device information: (FILE=1<c/> TYPE=DISK: {'D:\PACSDB\PACS_backup_2019_08_18_020001_3378916.bak'}). This is an informational message only. No user action is required.
08/18/2019 00:00:42,spid30s,未知,This instance of SQL Server has been using a process ID of 1608 since 2019/8/13 9:51:24 (local) 2019/8/13 1:51:24 (UTC). This is an informational message only; no user action is required.
08/17/2019 15:50:39,登录,未知,Login failed for user 'sa'. 原因: 无法打开明确指定的数据库“pacs1”。 [客户端: 10.1.7.14]
08/17/2019 15:50:39,登录,未知,错误: 18456，严重性: 14，状态: 38。
08/17/2019 02:00:19,备份,未知,Database backed up. Database: Pathology


重新启动数据库服务没有用，必须得重新启动服务器

[我牵着蜗牛去散步]

更改SA密码试试。

[文盲老顾]

每周一？是不是又什么定时任务运行了，然后死锁了？