Symantec NetBackup for Microsoft Exchange Server 管理指南

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"这是一本针对Symantec NetBackup在Windows环境下管理Microsoft Exchange Server的管理员指南，版本7.1。本书旨在提供有关如何使用NetBackup软件保护和恢复Exchange数据的详细指导。" NetBackup是Symantec公司的一款企业级备份和恢复解决方案，专门设计用于在复杂的企业环境中保护关键数据。在针对Microsoft Exchange的版本中，NetBackup提供了针对Exchange服务器的全面保护策略，确保在数据丢失或系统故障时能够快速恢复。此指南的内容可能包括以下几个关键知识点： 1. **安装和配置NetBackup for MS Exchange**: 包括在Exchange服务器上安装NetBackup代理、配置备份服务器、设置备份策略和调度，以及配置网络和存储组件。 2. **Exchange备份类型**: 详细讲解完整备份、增量备份、差异备份和日志备份的区别与应用场景，以及如何根据Exchange数据库的特性选择合适的备份类型。 3. **Exchange特定功能**: 如VSS（Volume Shadow Copy Service）支持，允许在不中断Exchange服务的情况下进行备份。还可能涉及Exchange的数据库备份和单个邮件项恢复。 4. **备份和恢复策略**: 如何创建和管理备份策略以适应Exchange环境的需求，包括备份保留期限、备份窗口优化等。 5. **性能调优**: 提供了关于如何调整NetBackup和Exchange服务器的设置以提高备份和恢复速度的建议，包括网络带宽管理和存储I/O优化。 6. **故障排除和监控**: 描述如何识别和解决备份过程中可能出现的问题，以及如何使用NetBackup的监控工具跟踪备份和恢复状态。 7. **灾难恢复计划**: 指导如何制定和执行灾难恢复计划，包括在主Exchange服务器故障后如何恢复到备用服务器。 8. **第三方软件和开源许可**: 由于NetBackup可能包含第三方组件，指南会提及这些组件的开源许可证信息，并提供如何查看这些许可证的细节。 9. **法律条款和版权信息**: 强调了用户必须遵守的使用协议，以及Symantec和其他相关公司的商标信息。这本指南对于那些负责管理和维护运行Exchange的企业的IT管理员来说是宝贵的资源，它提供了详细的操作步骤和最佳实践，帮助确保Exchange数据的安全性和可恢复性。

Table 1-1

NetBackup for Exchange Server features (continued)

DescriptionFeature

This feature applies only to Exchange 2007 or 2003 MAPI mailbox backups. Users can

enable Single Instance Storage for message attachments so that NetBackup writes only one

copy of an attachment to the backup.

Single Instance

Storage (SIS) of

mailbox message

attachments

Compression increases backup performance over the network and reduces the size of the

backup image that is stored on the disk or tape. NetBackup does not support GRT for any

backups that use compression.

Compression of

backups

When the Encryption attribute is enabled, the server encrypts the backup for the clients

that are listed in the policy. NetBackup does not support GRT for any backups that use

encryption.

Encryption

NetBackup for Exchange can perform backups and restores of Exchange objects with

snapshot methodology. With a separate Snapshot Client license, you can perform off-host

backups, Instant Recovery backups, and backups with a hardware provider.

See “About snapshot backups with Exchange Server” on page 20.

Snapshot backups and

restores

For snapshot backups, NetBackup uses the Microsoft consistency check API to check the

consistency of databases and transaction logs and to provide additional details. This speeds

up a snapshot backup, because it allows the backup to proceed in parallel with the

consistency check. For an Exchange 2010 DAG, you can disable the consistency check or

ignore the check and continue with the backup.

Exchange 2007 and

later enhancements to

consistency checks of

snapshot backups

The NetBackup for Exchange Server agent supports Microsoft Cluster Server (MSCS)

environment and Veritas Cluster Server (VCS). See the NetBackup Enterprise Server 7.1

Cluster Compatibility list. This list contains information on the versions of Exchange Server

that are supported with the cluster environments.

Cluster support

NetBackup for Exchange with Snapshot Client supports backups of the passive VSS writer

of an Exchange 2007 LCR and CCR configuration. NetBackup can back up the data that is

replicated by interfacing with the replica (or passive) Exchange server. The benefit of such

a backup is to reduce I/O impact on the active Exchange server. NetBackup accesses the

replicated data and leaves the active (or live) Exchange server alone. This type of backup

is especially beneficial for a backup of a CCR node because the active node is completely

left out of the backup. VSS is the only backup Microsoft supports of this replicated data.

LCR/CCR support

Introducing NetBackup for Exchange

Features of NetBackup for Exchange

Table 1-1

NetBackup for Exchange Server features (continued)

DescriptionFeature

NetBackup for Exchange supports backups of Exchange 2010 standalone servers and

Exchange 2010 Database Availability Groups (DAGs). VSS is the only backup Microsoft

supports of Exchange 2010 backups.

For a DAG, NetBackup supports backups of the active and the passive VSS writer of a

Database Availability Group (DAG). When NetBackup backs up the data that is replicated

the benefit is that I/O impact is reduced on the active Exchange server. NetBackup accesses

the replicated data and leaves the active (or live) Exchange server alone. You can also

configure a list of preferred servers you want to use to perform backups.

Exchange 2010

standalone server and

DAG support

NetBackup for Exchange terminology

Table 1-2

NetBackup for Exchange terminology

Definition or descriptionTerm

In the NetBackup for Microsoft Exchange Server documentation, “Microsoft

Exchange Server” is referred to as “Exchange Server” or “Exchange”.

Exchange Server, Exchange

Allows a user to restore individual mailbox and public folder items from

full database backups.

Granular Recovery Technology (GRT)

Refers to any mailbox and public folder operations that are performed with

MAPI. This type of backup and restore is only available with Exchange 2007

and earlier.

MAPI mailbox or MAPI public folder

backups and restores

Refers to the Microsoft CHKSGFILS API or interface.Microsoft consistency check API

The NetBackup File System daemon on the NetBackup media server is a

process that allows NetBackup clients to mount, browse, and read tar

images. This process is used with a client for Granular Recovery Technology

(GRT) operations. These operations include backups, browsing for backup

images, restores, and duplication.

NetBackup File System daemon

(NBFSD)

In the NetBackup for Microsoft Exchange Server documentation, “NetBackup

for Microsoft Exchange Server ” is referred to as “NetBackup for Exchange

Server” or “NetBackup for Exchange”.

NetBackup for Microsoft Exchange

Server

Refers to backups and restores performed with snapshot technology. In

the NetBackup for Exchange Server documentation, “VSS” is synonymous

with “snapshot”.

Snapshot

17Introducing NetBackup for Exchange

NetBackup for Exchange terminology

About Exchange restore operations

With the Backup, Archive, and Restore interface, the administrator can browse

for Exchange Server backups and select the ones to restore. The following types

restores are available:

■ Server-directed

■ Redirected restores to a different client

■ Redirected restores to a different target or database location

With a server-directed restore, an administrator can browse Exchange Server

databases and select the ones you want to restore. NetBackup lets you select the

NetBackup server from which files are restored, view the backup history, and

select items to restore. You can select a specific client or other clients that were

backed up by the selected NetBackup server.

When you redirect to a different client, you can restore to an Exchange client

other than the one that was originally backed up. You can redirect the Exchange

databases, directories, or mailbox objects. The administrator can direct restores

to any NetBackup for Exchange client (regardless of which client performed the

backup). To redirect a restore, the administrator can use the NetBackup

Administration Console on the master server or the Remote Administration

Console.

See the NetBackup Administrator’s Guide for the configuration that is needed for

this type of redirected restore.

A redirected restore to a different target or database location allows a user to

restore mailbox or public folder objects to a target or a database location different

from the location from which the objects were backed up. Depending on the

Exchange version and type of backup, database objects can be redirected to the

following:

■ The Exchange recovery database (RDB)

■ The Exchange recovery storage group (RSG)

■ Another database

■ Another storage group

About Exchange backups and Granular Recovery

Technology (GRT)

When a backup uses Granular Recovery Technology (GRT), users can restore

individual items directly from any full database backup. This type of backup can

19Introducing NetBackup for Exchange

About Exchange restore operations

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