Acronis Backup for Windows Server Essentials - User Guide - Manual (Page 49)

49 Copyright © Acronis International GmbH, 2002-2014
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4K native (4Kn) disks have a 4-KB logical sector size. Modern operating systems can store data on
these disks, but they generally cannot boot from these disks. These disks are commonly external
drives with USB connection.
By running the appropriate command
To find out the logical sector size of a disk, do the following.
In Windows:
1. Make sure that the disk contains an NTFS volume.
2. Run the following command as an administrator, specifying the drive letter of the NTFS
volume:
fsutil fsinfo ntfsinfo D:
3. Examine the value in the Bytes Per Sector line. For example, the output may be the
following:
Bytes Per Sector : 512
In Linux:
1. Determine the device name of the disk, such as /dev/sdb.
2. Run the following command as the root user, specifying the device name:
parted /dev/sdb print
3. Examine the first value in the Sector size (logical/physical) line. For example, the output may
be the following:
Sector size (logical/physical): 512B/4096B
3.9 Support for UEFI-based machines
Acronis Backup can back up and recover machines that use 64-bit Unified Extensible Firmware
Interface (UEFI) in the same way as it does for machines that use BIOS for booting.
This applies to both physical and virtual machines, no matter if the virtual machines are backed up at
a hypervisor level or from inside a guest OS.
Backup and recovery of devices that use 32-bit UEFI are not supported.
Limitations

WinPE-based bootable media of versions earlier than 4.0 and Acronis PXE Server do not support
UEFI booting.
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Acronis Active Restore (p. 430) is not available on UEFI machines.
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Acronis Startup Recovery Manager (ASRM) (p. 430) is not supported on UEFI machines running
Linux. On UEFI machines running Windows, activate ASRM in Windows rather than under
bootable media.
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A machine running Linux cannot be transferred between UEFI and BIOS. For details about
transferring Windows machines, see "Recovering BIOS-based systems to UEFI-based or vice
versa" (p. 147).
3.10 Support for Windows 8 and Windows Server 2012
This section describes how Acronis Backup supports features that are introduced in the Windows 8
and Windows Server 2012 operating systems.