NBU驱动器的状态总览及异常处理

发布于 2022-08-26 13:38:58 字数 5640 浏览 13 评论 6

The following NetBackup Drive statuses can appear in command line output or in the Device Monitor in the NetBackup Administration Console.

Column Description Note for the Administration Console:
Drive Name - Drive name assigned to the drive during configuration.
Control - Control mode for the drive can be any of the following: robot_designation. For example, TLD.
The robotic daemon managing the drive has connected to LTID (the device daemon and Device Manager service) and is running. The drive is in the usable state. AVR is assumed to be active for the drive, as all robotic drives must be in automatic volume recognition (AVR) mode (not OPR mode).
Applies only to robotic drives.

DOWN-<robot_designation>
For example, DOWN-TLD.
The drive is in an usable state because it was downed by an operator or by NetBackup; or when the drive was configured, it was added as a down drive. Applies only to robotic drives.

DOWN
In this mode, the drive is not available to Media Manager.
Applies only to standalone drives.
A drive can be in a DOWN mode because of problems or because it was set to that mode using Actions | Down Drive.

PEND-<robot_designation>
For example, PEND-TLD.
The drive is in a pending status. Applies only to robotic drives.

PEND
The drive is in a pending status. Applies only to standalone drives.
If the drive reports a SCSI RESERVATION CONFLICT status, this column will show PEND. This status means that the drive is reserved when it should not be reserved. Some server operating systems (Windows, Tru64, and HP-UX) may report PEND if the drive reports Busy when opened. You can use the AVRD_PEND_DELAY entry in the Media Manager configuration file to filter out these reports.

AVR （驱动器设置为在自动卷识别 (AVR) 模式下启动）
The drive is running with automatic volume recognition enabled.
The drive is in a usable state with automatic volume recognition enabled, but the robotic daemon managing the drive is not connected or is not working. Automated media mounts do not occur with a drive in this state (unless the media is in a drive on the system, or, this is a standalone tape drive), but the operator can physically mount a tape in the drive or use robtest to cause a tape mount as needed.

OPR
The drive is running in a secure mode where operators must manually assign mount requests to the drive. AVRD is not scanning
this drive when in this mode. This mode gives operators control over which mount requests can be satisfied.
Applies only to standalone drives.

NO-SCAN
A drive is configured for shared storage option (SSO), but has no available scan host (to be considered available, a host must register with a SSO_SCAN_ABILITY factor of non-zero and have the drive in the UP state). NO-SCAN may be caused if all available scan hosts have the drive in the DOWN state. Other hosts (that are not scan hosts) may want to use the drive, but they registered with a scan factor of zero. The drive is unusable by NetBackup until a scan host can be assigned.

Mixed
The control mode for a shared drive may not be the same on all hosts sharing the drive. For shared drives, each host can have a
different status for the drive. If the control modes are all the same, that mode is displayed.

RESTART
The control mode for a shared drive may not be the same on all hosts sharing the drive. This status indicates that ltid needs to be restarted. To determine what server need to be restarted, right-click the drive in the device monitor and select up. This will tell you what servers that ltid needs to be restarted.

Additional information for the columns that can appear in the Administration console can be found in the NetBackup 6.0 Media Manager Guides and NetBackup 6.5 Troubleshooting Guide. These documents can be found linked below in the Related Documents section.

处理方案：
1.AVR （驱动器设置成自动卷识别 (AVR) 模式）
驱动器的状态变成了AVR模式，开启备份任务时，用sgscan可以发现磁带机，从job monitor中看磁带正在mounting，一直没有下一步动作，似乎mount不上去，的确也没看到机械手抓磁带。
出现这种情况时，机械手是不能控制驱动器的，所以备份任务调用该驱动器时会导致备份任务失败，
方案：第一步操作是重启NBU的所有服务，一般情况下会把驱动器状态更正过来，如果没有成功，再关闭NBU的服务，做一下带库的自检操作，然后启动NBU的服务。
but the operator can physically mount a tape in the drive or use robtest to cause a tape mount as needed

AVR mode means that NetBackup can not talk to the robotics of the library. It could mean that "tldcd" is not running or the SCSI pass-through connection to the robot is not working. First look in the system logs to see if there is anything obvious there. Secondly create /usr/openv/volmgr/debug/daemon and /usr/openv/volmgr/debug/tpreq directiories on the media servers (or the equivalent folder on windoze boxes). If you find something obvious, then you can fix it. If not send the relevant information back to this forum and we will try to help

2.active状态
正常情况下active模式是驱动器在抓到磁带进行读写操作时的状态，但是也有别的操作导致驱动器处于active模式不可再用。比如二代的驱动器抓到了三代的磁带进行lable和读写操作时，这时任务已经启动，驱动器会按照请求去做，但是磁带不对，驱动器会报出media error的错误（这是从带库的液晶面板上查看到的），在jnbSA界面上，驱动器一直处于active状态，没有抓到磁带。
方案：这种状态NBU会重试几次操作，如果还不成功就会导致备份任务的失败，同时驱动器的状态也会改变。正常情况下，把不合适的磁带移走不再使用，终止使用该驱动器的任务，同时做下带库的自检操作，驱动器的状态会改变正常。

3.驱动器异常。
上述情况多数会出现code:800的报错：NetBackup 6.0 jobs are failing with Status 800 (resource request failed). 这种现象最大的可能结果就是驱动器down掉，请及时检查驱动器的状态。

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