Veritas NetBackup 8.0 Advanced Disk Storage Guide

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"VERITAS NetBackup 8.0 Advanced Disk Storage Solutions Guide" VERITAS NetBackup 8.0是一款企业级数据保护解决方案，专为在UNIX、Windows和Linux环境中管理复杂的存储需求而设计。这款软件提供了先进的磁盘存储功能，以确保高效、可靠的数据备份和恢复。该Advanced Disk Storage Solutions Guide详细介绍了如何利用NetBackup 8.0来优化磁盘存储策略，以提升备份性能和数据恢复速度。文档内容可能包括以下几个方面： 1. **磁盘备份和恢复**: NetBackup 8.0支持直接在磁盘上进行备份，减少了对传统物理媒体（如磁带）的依赖，提升了备份速度。同时，它提供了快速的恢复功能，以便在数据丢失或系统故障时迅速恢复业务运行。 2. **策略管理**: NetBackup 8.0允许用户根据组织的具体需求定制备份策略。这包括设置备份频率、保留期限、数据压缩和去重等参数，以优化存储效率和降低存储成本。 3. **集成与兼容性**: NetBackup 8.0与多种存储设备和操作系统兼容，能够无缝集成到现有IT环境中。这使得用户可以在不同的硬件和软件平台上实现一致的数据保护。 4. **虚拟化环境支持**: 支持虚拟化平台如VMware和Hyper-V，提供专门针对虚拟环境的备份和恢复解决方案，确保虚拟机的全面保护。 5. **高级功能**: 包括自动精简配置、即时恢复、重复数据删除（Data Deduplication）、存储池管理等，这些特性有助于进一步提高存储效率并简化管理。 6. **合规性与法规遵循**: 提供符合法规要求的审计和报告功能，以满足企业对于数据保护和隐私的要求。 7. **第三方软件集成**: NetBackup 8.0可能包含一些第三方软件组件，这些组件可能受开源或免费软件许可条款约束。用户在使用过程中应遵守相关的许可协议，并了解这些组件的版权信息。 8. **安全与隐私**: 产品注重数据的安全性和隐私保护，通过加密技术保护备份数据，防止未经授权的访问。 9. **技术支持与服务**: Veritas Technologies LLC提供相应的技术支持和服务，帮助用户解决在部署和使用NetBackup 8.0过程中遇到的问题。在使用NetBackup 8.0时，用户应仔细阅读提供的法律通知和许可协议，特别是关于第三方软件的部分，以确保合规使用。同时，定期查看官方更新和补丁，以保持系统的最新状态和最佳性能。

Storage servers are either AdvancedDisk type or AdvancedDisk_crypt type.

See “About data encryption for AdvancedDisk storage” on page 18.

Whether or not you want to specify storage server attributes or use encryption

determines how you configure the storage servers.

See “Configuring an AdvancedDisk storage server” on page 27.

About AdvancedDisk data movers

A data mover transfers data from primary storage (a NetBackup client) to secondary

storage during backups. It also can move data back to primary storage during

restores and from secondary storage to tertiary storage during duplication.

You do not configure data movers separately. For AdvancedDisk, NetBackup media

servers function as both storage servers and data movers. Data movers are

configured when you configure storage servers.

About AdvancedDisk preferred or required read

servers

When you configure a storage server, you can specify that you want it to be preferred

or required for restore jobs. You also can specify whether a server should be required

for the read side of duplication jobs. These attributes can help manage the restore

and the duplication traffic.

The following are the requirements to configure encryption:

■ You must use the nbdevconfig command to configure the storage servers and

the disk pools.

■ You must use the -setattribute option when you configure the storage servers

and the disk pools.

Table 3-2 describes the possible arguments for the -setattribute option.

See “Configuring an AdvancedDisk storage server” on page 27.

16Configuring AdvancedDisk

About AdvancedDisk data movers

Table 3-2

Preferred or required read server descriptions

DescriptionArgument

The server is preferred for the read side of restore operations. You can

configure more than one server as preferred for restore.

If you configure preferred for restore but not required for restore,

NetBackup considers preferred storage servers for jobs first. If none are

available, NetBackup considers any configured storage server.

Normal NetBackup load balancing occurs among all storage servers

marked PrefRestore.

PrefRestore

The server is required for the read side of restore operations. You can

configure more than one server as required for restore.

If you configure required servers for restore but not preferred servers,

jobs queue until a required server is available to execute the job. Other

servers are never considered for restore jobs. Normal NetBackup rules

for job retry apply.

If you configure both preferred and required storage servers and a required

server is not available, NetBackup considers preferred servers for jobs.

If none are available, jobs queue until a required or preferred server is

available. Other servers are never considered for restore jobs.

Normal NetBackup load balancing occurs for all required servers. Load

balancing does not occur between the required and preferred servers.

ReqRestore

The server is required for the read side of duplication operations. You

can configure more than one server as required for duplication.

If any server is configured as required for duplication, NetBackup considers

only required for duplication servers for jobs. If a required server is

unavailable, jobs queue until a required server is available to execute the

job. Normal NetBackup rules for job retry apply.

Required for duplication also applies to storage server allocation for

synthetic backup operations.

ReqDuplicate

Only the media servers that are configured in the storage unit are considered for

jobs. Therefore, if you configure a subset of the disk pool media servers in a storage

unit, NetBackup selects from those servers only.

If you use the preferred or required restore or duplication attributes for a storage

server, the following may occur:

■ A restore operation uses a storage server that does not have a PrefRestore

or ReqRestore attribute. Reasons may be as follows:

17Configuring AdvancedDisk

About AdvancedDisk preferred or required read servers

The following table describes the encryption keys that are required for each storage

server and volume combination.

Table 3-4

Encryption keys required for each storage server and volume

combination

DescriptionKey

A key group key protects the key group. Each storage server and volume combination requires

a key group, and each key group key requires a pass phrase. The key group name must use the

format for the storage type that is described as follows:

For AdvancedDisk storage, the format depends on the operating system type that hosts the

storage, as follows:

■ UNIX storage: storage_server_name:volume_name

The following items describe the requirements for the key group name components for

AdvancedDisk storage on UNIX:

■ storage_server_name: You must use the same name that you use for the storage

server. The name can be a fully-qualified domain name or a short name, but it must be

the same as the storage server.

■

The colon (:) is required after the storage_server_name.

■ volume_name: Use the last directory name in the storage path for the volume_name.

For example, use backups if the storage path is /mnt/disk/backups.

■ Windows storage: storage_server_name:

The following items describe the requirements for the key group name components for

AdvancedDisk storage on Windows:

■ storage_server_name: You must use the same name that you use for the storage

server. The name can be a fully-qualified domain name or a short name, but it must be

the same as the storage server.

■

The colon (:) is required after the storage_server_name.

A key group

Each key group that you create requires a key record. A key record stores the actual key that

protects the data for the storage server and volume.

A key record

See “Configuring key management for NetBackup AdvancedDisk storage encryption”

on page 21.

More information about KMS is available in the NetBackup Security and Encryption

Guide:

http://www.veritas.com/docs/DOC5332

20Configuring AdvancedDisk

About key management for encryption of NetBackup AdvancedDisk storage

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