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3 checking ssd partition alignment, 4 fixing ssd partition alignment – Acronis Server Cloud Backup - User Guide User Manual

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Copyright © Acronis International GmbH, 2002-2013

Disable Indexing Service.

Turn off the hibernation mode.

6.5.1.3

Checking SSD partition alignment

If you installed Windows Server 2008 or Windows Server 2012 from the installation DVD to a new
hard disk, the operating system automatically aligns the hard disk during installation to a multiple of
4096 and usually to 1.024 MB. In any case, it will be useful to check.

1. Mount the SSD into the intended location in your computer.
2. Type cmd in the Search field and press Enter.
3. At the command line prompt type:

wmic partition get BlockSize, Index, Name, StartingOffset

You will get the output looking like this:

In the screen shot, disk 0 has an incorrect alignment and disks 3 and 4 have the correct alignment.

If the SSD has an incorrect offset value, see Fixing SSD partition alignment (p. 126).

6.5.1.4

Fixing SSD partition alignment

If you did not properly prepare your SSD before transferring your system to it, the starting offset may
turn out be incorrect.

Let's see how to fix the alignment problem.

1. Start Small Office Backup.
2. Create a task for backing up your SSD in the disk backup mode.
3. Back up your SSD using as destination, for example, an external hard disk.
4. Go to the command line prompt. To do so, perform one of the following:

Shut down the computer and then boot using Windows installation CD. Press Shift+F10
during GUI-mode phase of the Setup. Note, that you should not start Windows installation.

If you have a WinPE-based Acronis rescue media, shut down the computer and boot from the
media. Boot to Small Office Backup and then exit it.

5. At the command line prompt type:

diskpart
select disk N where N is the number of your SSD
clean
create partition primary align=1024
active
format fs=ntfs quick
exit
exit

6. Shut down the computer and then boot to Acronis rescue media.