Backup

Selecting a Backup Type: Full or Incremental

backup. Even if the previous backup was an incremental (Incr or Incr1, Incr2, ...) backup, the subsequent incremental backup includes only those files that changed in the interim.

Incr1 backup

This backup type refers to the most recent still protected full backup with the same ownership. It does not depend on any previous incremental backups. The files that have changed since the most recent still protected full backup are included in the backup.

Incr2 backup

This backup type refers to the most recent still protected full backup, provided that there is no Incr1 done afterwards. If there are several Incr1 backups available, it refers to the most recent one. All files that have changed since the reference backup was done are backed up.

Incr1-9 backup

The description above explains the concept of incremental levels, which can be extended up to Incr9.

Table 5-1 shows the relative referencing of backup runs with various backup types. See the text following the table for a full explanation.

Table 5-1

Relative Referencing of Backup Runs

 

 

 

 

1

Full

<----

Incr1

 

 

 

 

 

2

Full

<----

<----

<----

Incr2

 

 

 

3

Full

<----

Incr1

<----

Incr2

 

 

 

4

Full

<----

Incr

 

 

 

 

 

5

Full

<----

Incr1

<----

Incr

 

 

 

6

Full

<----

Incr1

<----

Incr2

<----

Incr

 

7

Full

<----

Incr1

<----

Incr

<----

Incr

 

8

Full

<----

Incr1

<----

Incr3

 

 

 

9

Full

<----

Incr1

<----

Incr2

<----

Incr3

 

10

Full

<----

<----

<----

Incr2

<----

Incr3

 

11

Full

<----

<----

<----

<----

<----

Incr3

214

Chapter 5

Page 244
Image 244
HP B6960-90078 manual Relative Referencing of Backup Runs, 214