Acronis Backup for PC - User Guide Manuale Utente Pagina 49
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49 Copyright © Acronis International GmbH, 2002-2014
Number of
levels
Full backup
every
On different
days, can go
back
Roll-back
period
2
2 days
1 to 2 days
1 day
3
4 days
2 to 5 days
2 days
4
8 days
4 to 11 days
4 days
5
16 days
8 to 23 days
8 days
6
32 days
16 to 47 days
16 days
Adding a level doubles the full backup and roll-back periods.
To see why the number of recovery days varies, let us return to the previous example.
Here are the backups we have on day 12 (numbers in gray denote deleted backups).
1
2
3
4
5
6
7
8
9
10
11
12
4
1
2
1
3
1
2
1
4
1
2
1
A new level 3 differential backup has not yet been created, so the backup of day five is still stored.
Since it depends on the full backup of day one, that backup is available as well. This enables us to go
as far back as 11 days, which is the best-case scenario.
The following day, however, a new third-level differential backup is created, and the old full backup is
deleted.
1
2
3
4
5
6
7
8
9
10
11
12
13
4
1
2
1
3
1
2
1
4
1
2
1
3
This gives us only a four day recovery interval, which turns out to be the worst-case scenario.
On day 14, the interval is five days. It increases on subsequent days before decreasing again, and so
on.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
4
1
2
1
3
1
2
1
4
1
2
1
3
1
The roll-back period shows how many days we are guaranteed to have even in the worst case. For a
four-level scheme, it is four days.
4.2.6.5 Manual start
With the Manual start scheme, you do not have to specify the backup schedule. You can run the
backup plan from the Plans and Tasks view manually at any time afterwards.
Specify the appropriate settings as follows.
Backup type
Select the type of backup
Full - selected by default for all backup locations (except for Acronis Cloud Storage).
Incremental. At the first time a full backup will be created. The next backups will be
incremental. Selected as the one and only backup type for Acronis Cloud Storage.
Differential. At the first time a full backup will be created. The next backups will be
differential.
- Acronis Backup 1
- Version 11.5 Update 5 1
- Copyright Statement 2
- Table of contents 3
- Rebranding 8
- Licensing 8
- Cloud backup 8
- OS support 8
- 1.7.1 Agent for Windows 10
- 1.7.2 Management Console 10
- 1.9 Supported file systems 11
- 1.10 Technical Support 11
- Product Updates 12
- 2 Getting started 13
- Step 5. Recovery 14
- Step 6. Management 14
- Navigation tree 15
- Operations with pane 15
- 2.1.2.1 Views 16
- 2.1.2.2 Action pages 17
- 2.1.3 Console options 18
- 2.1.3.3 Fonts 19
- 2.1.3.4 Pop-up messages 19
- 3.1 Owners 21
- Task credentials 22
- Services of Acronis Backup 23
- Full backup 25
- Incremental backup 25
- (Windows) 27
- By disk specification 29
- 3.10 Support for Windows 8 30
- Common installation rule 31
- Common backup rule 31
- 3.12 Support for SNMP 32
- 4 Backup 33
- How to back up 34
- Plan parameters 34
- Criteria: full path 37
- Criteria: name 37
- Wildcard characters 37
- Exclusion examples 37
- 1. Selecting the destination 38
- 4.2.6 Backup schemes 40
- 4.2.6.1 Simple scheme 41
- Description 42
- Parameters 42
- Examples 43
- At a glance 45
- Roll-back period 48
- 4.2.6.5 Manual start 49
- 4.2.7 Archive validation 50
- Parameters specification 51
- 4.3.1 The [DATE] variable 54
- 4.3.3 Usage examples 55
- 4.4 Scheduling 58
- 4.4.1 Daily schedule 59
- 4.4.2 Weekly schedule 61
- 4.4.3 Monthly schedule 63
- 4.4.5 Conditions 67
- Example: 68
- 4.4.5.4 Users logged off 69
- 4.5.1 Supported locations 71
- Restrictions 72
- Simple scheme 72
- Tower of Hanoi scheme 73
- Custom scheme 73
- Consolidate these backups 74
- 4.5.5 Usage examples 75
- 4.7 Default backup options 77
- 4.7.1 Additional settings 79
- 4.7.2 Archive protection 80
- 4.7.3 Backup cataloging 80
- 4.7.4 Backup performance 81
- 4.7.5 Backup splitting 82
- 4.7.6 Compression level 83
- 4.7.8 E-mail notifications 85
- 4.7.9 Error handling 86
- 4.7.10 Event tracing 87
- 4.7.13 File-level security 89
- 4.7.14 Media components 89
- 4.7.15 Mount points 90
- 4.7.17 Pre/Post commands 91
- 4.7.17.1 Pre-backup command 92
- Skip the task execution 97
- Enabling VSS Full backup 98
- 5 Recovery 99
- 5.1.1 What to recover 100
- 2. Selecting data 101
- 5.1.1.2 Data catalog 102
- 5.1.4 Where to recover 104
- Disk destination 105
- NT signature 106
- Recover to: 107
- MBR destination 108
- Volume destination 108
- Changing volume properties 109
- Size and location 109
- File system 109
- Volume (partition) alignment 110
- Recovery exclusions 111
- 5.1.5 When to recover 112
- 5.1.6 Task credentials 112
- 5.2.1 Recovering volumes 113
- 5.2.2 Recovering disks 114
- 5.3 Acronis Active Restore 116
- Usage scenarios 117
- How to use 117
- 5.4.2 About Windows loaders 120
- 5.6.1 Additional settings 122
- 5.6.2 E-mail notifications 123
- 5.6.3 Error handling 124
- 5.6.4 Event tracing 125
- 5.6.5 File-level security 126
- 5.6.6 Mount points 126
- 5.6.7 Pre/Post commands 127
- 5.6.8 Recovery priority 128
- 6.1 Conversion methods 129
- Logical and dynamic volumes 130
- Custom loader reactivation 130
- 6.2.2.1 Conversion settings 131
- Network usage 133
- Storage space 133
- 6.2.3.1 Steps to perform 135
- Processors 137
- Choosing the disk interface 137
- 6.3.2 Steps to perform 138
- 7.1 Vaults 139
- 7.1.1 Working with vaults 140
- 7.1.2 Personal vaults 140
- Metadata 141
- Creating a personal vault 142
- 7.2 Acronis Secure Zone 143
- 7.2.1.4 Result confirmation 144
- 7.3 Removable devices 146
- What to validate 148
- 8.1.1 Archive selection 149
- 8.1.2 Backup selection 149
- 8.1.3 Vault selection 149
- 8.1.5 When to validate 150
- 8.1.6 Task credentials 151
- 8.2.1 Archive selection 153
- 8.2.2 Backup selection 154
- 8.2.4 Destination selection 154
- 2. Using the archives table 155
- 3. Naming the new archive 155
- 8.3 Mounting an image 156
- 8.3.1 Archive selection 157
- 8.3.2 Backup selection 157
- 8.3.3 Access credentials 157
- 8.3.4 Volume selection 158
- Tips on usage 161
- Limitations 161
- 9 Bootable media 163
- 9.1.1.1 Kernel parameters 165
- 9.1.1.2 Network settings 167
- 9.1.1.3 Network port 167
- Configuring network settings 170
- Adding VLANs 171
- To add an iSCSI device 172
- To add an NDAS device 172
- Linux-based bootable media 173
- Activate 174
- Do not activate 174
- 10 Disk management 175
- 10.6 Disk operations 177
- 10.6.1 Disk initialization 178
- 10.6.2 Basic disk cloning 178
- Using advanced options 179
- System disk conversion 182
- 10.7 Volume operations 183
- Select destination disks 185
- Set the volume size 186
- Set the volume options 186
- 10.7.2 Delete volume 187
- 10.7.3 Set active volume 188
- 10.7.4 Change volume letter 188
- 10.7.5 Change volume label 188
- 10.7.6 Format volume 189
- 10.8 Pending operations 190
- 11.1 Backup plans and tasks 191
- 11.1.2.3 Task states 194
- 11.1.2.4 Task statuses 195
- Adjusting credentials 196
- Steps to perform 196
- How to modify credentials 196
- How it works 198
- Editing the export file 199
- 11.1.5 Backup plan details 200
- 11.2 Log 201
- 11.2.2 Log entry details 202
- 11.3 Alerts 203
- 11.4 Changing a license 204
- 11.6.1 Additional settings 205
- 11.6.3 Alerts 205
- 11.6.4 E-mail settings 206
- 11.6.5 Event tracing 207
- Windows 208
- 11.6.6 Log cleanup rules 209
- 11.6.7 Cloud backup proxy 210
- 12 Cloud backup 211
- Server operating systems 212
- 12.1.7 Initial Seeding FAQ 214
- Preparing 216
- Packaging and sending 216
- Creating subsequent backups 216
- Hard drive types 217
- Packaging 217
- Volume subscriptions 223
- Machine subscriptions 223
- 12.2 Where do I start? 224
- Example 226
- 12.8 Terminology reference 228
- Renew a subscription 230
- Storage quota 230
- Subscription 230
- Subscription period 230
- Unassign a subscription 230
- 13 Glossary 231
- what data to back up 232
- Backup scheme 233
- Bootable agent 233
- Bootable media 233
- Built-in group 234
- Cataloging 234
- Centralized backup plan 234
- Centralized management 234
- Centralized task 234
- Centralized vault 235
- Cleanup 235
- Consolidation 235
- Data catalog 235
- Deduplicating vault 236
- Deduplication 236
- Differential backup 236
- Direct management 236
- Disaster recovery plan (DRP) 236
- Disk backup (Image) 237
- Disk group 237
- Dynamic disk 237
- Dynamic group 238
- Dynamic volume 238
- Encrypted archive 238
- Encrypted vault 238
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