Seagate ST39175LW Instrukcja Naprawy Pobierz pdf (Strona 102)

Core Frozen Image Services: Overview

88 NetBackup ServerFree Agent System Administrator’s Guide

Core Frozen Image Services: Overview

The following three frozen image methods require installation of the “Core Frozen Image

Services” product. These methods are hardware independent: the client data may be on

any disk supported by NetBackup.

◆ nbu_snap (Solaris only)

The nbu_snap frozen image method is for making copy-on-write snapshot frozen

images (for ufs or VERITAS VxFS file systems).

◆ fsclone (Solaris only)

The fsclone frozen image method is for making copy-on-write snapshot frozen

images. VERITAS Database Edition for Oracle 2.2, with VERITAS File System (VxFS)

3.4, must be installed on NetBackup clients. VERITAS recommends that the fsclone

frozen image method only be used with Oracle databases.

- The fsclone frozen image method is not supported for backing up raw partitions

(whether FlashBackup or Standard policies).

- Make sure there is enough disk space available for the clone. The file system

containing the frozen image source must have at least 5% free space in order to

successfully implement the clone.

◆ vxvm (Solaris or HP-UX)

The vxvm frozen image method is for making mirror frozen images with VERITAS

Volume Manager 3.1 or later snapshot mirrors.

The vxvm frozen image method works for any file system mounted on a VxVM

volume. However, before the backup is performed, the frozen image source must be

configured with a VxVM 3.1 or later snapshot mirror (otherwise, the backup will fail).

For help configuring a snapshot mirror, refer to “Creating a Snapshot Mirror of the

vxvm Frozen Image Source” on page 89, or to your VERITAS Volume Manager

documentation.

Note Since VxVM does not support fast mirror resynchronization on RAID-5 volumes,

the vxvm frozen image method must not be used with VxVM volumes configured

as RAID-5. If the vxvm frozen image method is selected for a RAID-5 volume, the

backup will fail.

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Seagate ST39175LW Instrukcja Naprawy Strona 102