ACRONIS BACKUP AND RECOVERY 10 ADVANCED SERVER - UPDATE 3 User Manual page 286

You will be advised about the changes that will happen to the system if the chosen disk is
converted from dynamic into basic. E.g. if such a conversion will stop the disk from being
accessed by the system, the operating system will stop loading after such conversion, or if the
disk you want to convert to basic contains any volumes of the types that are only supported by
dynamic disks (all volume types except Simple volumes), then you will be warned here about the
possible damage to the data involved in the conversion.
Please note, the operation is unavailable for a dynamic disk containing Spanned, Striped, or RAID-5
volumes.
3. If you click OK in this warning window, the conversion will be performed immediately.
After the conversion the last 8Mb of disk space is reserved for the future conversion of the disk from
basic to dynamic.
In some cases the possible unallocated space and the proposed maximum volume size might differ
(e.g. when the size of one mirror establishes the size of the other mirror, or the last 8Mb of disk
space are reserved for the future conversion of the disk from basic to dynamic).
System disk conversion
Acronis Disk Director Lite does not require an operating system reboot after dynamic to basic
conversion of the disk, if:
1. There is a single Windows 2008/Vista operating system installed on the disk.
2. The machine runs this operating system.
Dynamic to basic conversion of the disk, comprising of system volumes, takes a certain amount of time, and any
power loss, unintentional turning off of the machine or accidental pressing of the Reset button during the
procedure could result in bootability loss.
In contrast to Windows Disk Manager the program ensures:

safe conversion of a dynamic disk to basic when it contains volumes with data for simple and
mirrored volumes
 in multiboot systems, bootability of a system that was offline during the operation
6.11.5.7 Changing disk status
Changing disk status is effective for Windows Vista SP1, Windows Server 2008, Windows 7 operating
systems and applies to the current disk layout (p. 280).
One of the following disk statuses always appears in the graphical view of the disk next to the disk's
name:
 Online
The online status means that a disk is accessible in the read-write mode. This is the normal disk
status. If you need a disk to be accessible in the read-only mode, select the disk and then change
its status to offline by selecting Change disk status to offline from the Operations menu.
 Offline
The offline status means that a disk is accessible in the read-only mode. To bring the selected
offline disk back to online, select Change disk status to online from the Operations menu.
If the disk has the offline status and the disk's name is Missing, this means that the disk cannot
be located or identified by the operating system. It may be corrupted, disconnected, or powered
off. For information on how to bring a disk that is offline and missing back online, please refer to
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