Parallels Desktop for Mac 3.0, Box, ITA, UPG Podręcznik Użytkownika Pobierz pdf (Strona 243)

Managing Virtual Machines 243

Backing Up Virtual Machines

Most people don't seriously consider regular backups as a necessity until they have experienced

a significant data loss.You should to create your own backup strategy to protect yourself from

data loss. Virtual machines are vulnerable to crashes as well as physical computers.

You can back up your virtual machine by one or several of the following methods:

 Copy virtual machine files manually.

 Clone the virtual machine with the help of Clone Virtual Machine Assistant. Give the

descriptive name to a clone and save in a location specially designated for backups.

 Also take into account the risk of data loss to crash of physical computer, and periodically

save copy or clone on an external drive or on another computer.

 Make successive backups by creating snapshots for the virtual machine. This works as

differential backups and will save disk space on you Macintosh computer. Please remember

that snapshots cannot be used without the virtual machine they were created for.

 Decide what you really need to back up. Maybe you need to back up the data only, not the

entire virtual machine. Back up your data with Parallels Explorer. This will save disk space

on your Macintosh computer or on other preferred backup storage place. For details see

Parallels Explorer User Guide.

Maintaining Virtual Hard Disks

Expanding virtual disks files grow in size as you work with them even if you delete unnecessary

and temporary files periodically. Two built-in utilities help to maintain virtual disks.

 Disk Compacting Tool cleans up the unused disk space on expanding virtual hard disks and

cuts off the cleaned free space thus reducing the sizes of virtual hard disk image files in Mac

OS X. We recommend that you use Disk Compacting Tool on your virtual machines from

time to time to save space on the host hard disk. For more information refer to the

Compacting Virtual Disk (page 244) topic.

 Parallels Compressor. For Windows 2000 and later versions. Deletes temporary and

unnecessary files, empties the Recycle Bin, performs disk defragmenting and disk

compacting. Options can be selected. For details on Parallels Compressor, see the Using

Parallels Compressor (page 246) chapter.

Note 1. Both utilities cannot process virtual disks if the virtual machine has the Undo disks

option enabled or if it has snapshots.

Note 2. Both utilities do not process plain virtual disk.

1 2 ... 238 239 240 241 242 243 244 245 246 247 248 ... 283 284

Brak uwag

Parallels Desktop for Mac 3.0, Box, ITA, UPG Podręcznik Użytkownika Strona 243