Veritas NetBackup 8.1.1故障排除手册概述

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"Veritas NetBackup 8.1.1 Troubleshooting Guide 是一份针对 UNIX、Windows 和 Linux 操作系统的详细文档，专为解决 Veritas NetBackup 在最新版本 8.1.1 中遇到的问题而设计。该指南发布日期为 2018 年 2 月 16 日，包含了针对 NetBackup 功能的故障排查步骤和技术支持信息。该文档的核心内容覆盖了 NetBackup 的各种组件和配置，旨在帮助管理员识别并解决备份、恢复、性能优化、存储管理等方面可能出现的各类问题。例如，它可能包括如何处理备份任务失败、媒体错误、网络连接问题、代理服务器故障、容灾与备份策略执行不畅等内容。此外，由于文档强调了对版权和第三方软件的尊重，它还会指导用户理解和处理可能涉及到的开源或免费软件许可协议，确保在使用过程中遵循相关规定。值得注意的是，此文档中包含了法律声明，指出所有权利归 Veritas Technologies LLC 所有，并提到了 Veritas、Veritas Logo 和 NetBackup 是 Veritas 公司在美国和其他国家注册的商标。对于文档中涉及的第三方软件，Veritas 需要提供相应的归属和授权，特别是那些采用开源或自由软件许可证的程序。用户需参考附带的 Third-party Legal Notices 文档，或者访问 Veritas 官方网站获取更详细的许可协议信息。 Veritas NetBackup 8.1.1 Troubleshooting Guide 是一个实用的工具，对于任何使用该产品的 IT 专业人员来说，都是进行故障排除、优化性能以及合规操作的重要参考资料。通过阅读和遵循这份指南，用户能够提升 NetBackup 系统的稳定性和效率，确保数据保护工作的顺利进行。"

■ Frozen media troubleshooting considerations

■ Troubleshooting problems with the NetBackup web services

■ Troubleshooting problems with the NetBackup web server certificate

■ Resolving PBX problems

■ Troubleshooting problems with validation of the remote host

■ About troubleshooting Auto Image Replication

■ Troubleshooting network interface card performance

■ About SERVER entries in the bp.conf file

■ About unavailable storage unit problems

■ Resolving a NetBackup Administration operations failure on Windows

■ Resolving garbled text displayed in NetBackup Administration Console on a

UNIX computer

About troubleshooting procedures

These procedures for finding the cause of NetBackup errors are general in nature

and do not try to cover every problem that can occur. They do, however, recommend

the methods that usually result in successful problem resolution.

The Veritas Technical Support site has a wealth of information that can help you

solve NetBackup problems. See the following site for comprehensive troubleshooting

assistance:

https://www.veritas.com/support/en_US.html

When you perform these procedures, try each step in sequence. If you already

performed the action or it does not apply, skip to the next step. If it branches to

another topic, use the solutions that are suggested there. If you still have a problem,

go to the next step in the procedure. Also, alter your approach according to your

configuration and what you have already tried.

Troubleshooting procedures can be divided into the following categories:

16Troubleshooting procedures

About troubleshooting procedures

Table 2-1

Steps for troubleshooting NetBackup problems (continued)

DescriptionActionStep

Use the All Log Entries report and check for NetBackup errors for the

appropriate time period. This report can show the context in which the error

occurred. Often it provides specific information, which is useful when the

status code can result from a variety of problems.

See the Reports information in the NetBackup Administrator’s Guide, Volume

If the problem involved a backup or archive, check the Status of Backups

report. This report gives you the status code.

If you find a status code or message in either of these reports, perform the

recommended corrective actions.

See the Status Codes Reference Guide.

Use reports to check for

errors.

Step 2

Check the system log (UNIX) or the Event Viewer Application and System

log (Windows) if the problem pertains to media or device management and

one of the following is true:

■ NetBackup does not provide a status code.

■ You cannot correct the problem by following the instructions in NetBackup

status codes and messages.

■ You cannot correct the problem by following the instructions in media

and device management status codes and messages.

These logs can show the context in which the error occurred. The error

messages are usually descriptive enough to point you to a problem area.

Check the operating system

logs.

Step 3

Read the applicable enabled debug logs and correct any problems you

detect. If these logs are not enabled, enable them before you retry the failed

operation.

See the NetBackup Logging Reference Guide.

Review the debug logs.Step 4

If you performed corrective actions, retry the operation. If you did not perform

corrective actions or if the problem persists, continue with the next step.

Retry the operation.Step 5

If you see the problem during a new installation or upgrade installation, or

after you make changes to an existing configuration, see the following

procedures:

See “Troubleshooting installation problems” on page 26.

See “Troubleshooting configuration problems” on page 27.

Get more information for

installation problems.

Step 6

19Troubleshooting procedures

Troubleshooting NetBackup problems

Table 2-1

Steps for troubleshooting NetBackup problems (continued)

DescriptionActionStep

If you experienced a server or a client disk crash, procedures are available

on how to recover the files that are critical to NetBackup operation.

See “About disk recovery procedures for UNIX and Linux” on page 145.

See “About disk recovery procedures for Windows” on page 155.

Ensure that the servers and

clients are operational.

Step 7

Verify that you have enough space available in the disk partitions that

NetBackup uses. If one or more of these partitions is full, NetBackup

processes that access the full partition fail. The resulting error message

depends on the process. Possible error messages: "unable to access" or

"unable to create or open a file."

On UNIX systems, use the df command to view disk partition information.

On Windows systems, use Disk Manager or Explorer.

Check the following disk partitions:

■ The partition where NetBackup software is installed.

■ On the NetBackup master or media server, the partition where the

NetBackup databases reside.

■ The partition where the NetBackup processes write temporary files.

■ The partition where NetBackup logs are stored.

■ The partition where the operating system is installed.

Ensure that the partitions

have enough disk space.

Step 8

Enable verbose logging either for everything or only for the areas that you

think are related to the problem.

See the NetBackup Logging Reference Guide for information on changing

the logging level.

Increase the logging level.Step 9

Follow the procedures for UNIX or Windows NetBackup servers.

See “Verifying that all processes are running on UNIX servers” on page 20.

See “Verifying that all processes are running on Windows servers”

on page 23.

Determine which daemons or

processes are running.

Step 10

Verifying that all processes are running on UNIX servers

For NetBackup to operate properly, the correct set of processes (daemons) must

be running on your UNIX servers. This procedure determines which processes are

running and shows how to start the processes that may not be running.

20Troubleshooting procedures

Troubleshooting NetBackup problems

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