When to schedule backups

107

Staggering full backups

107

Optimizing for restore

107

Automated or unattended operation

110

Considerations for unattended backups

110

Duplicating backed up data

112

Copying objects

113

Why use object copy?

116

Object mirroring

119

Copying media

122

Automated media copying

124

Smart media copying using VLS

124

Restoring data

125

Restore duration

125

Selection of the media set

126

Selection of devices

126

Operators are allowed to restore

127

End users are allowed to restore

128

Disaster recovery

128

Disaster recovery methods

130

Alternative disaster recovery methods

131

3 Media management and devices

133

In this chapter

133

Media management

133

Media life cycle

134

Media pools

135

Free pools

137

Media pool usage examples

140

Implementing a media rotation policy

143

Media rotation and Data Protector

144

Media needed for rotation

144

Media management before backups begin

145

Initializing or formatting media

145

Labeling Data Protector media

145

Location field

146

Media management during backup sessions

147

Selecting media for backups

147

Adding data to media during backup sessions

148

Writing data to several media sets during backup

150

Calculating media condition

150

Media management after backup sessions

151

6

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HP B6960-96035 manual Media management and devices 133