Select the source partition check box(es) and click the 'Copy selected partitions' link. To preserve the source partition alignment either. Partition alignment and the Macrium Reflect cloning and restore function 1MB aligned partitions are aligned on 4KB boundaries so present no problem, however, CHS aligned partition are often aligned on 63 sectors (31.5KB) degrading SSD performance and life time considerably. Solid State Disks require partition alignment to 4KB boundaries for optimum performance and life. Partition alignment and Solid State Disks (SSD) Partitions start on a head (or track) boundary and end on a cylinder boundary. Disks are described as having sectors, heads and cylinders, typically 512 bytes per sector, 63 sectors per head and 255 heads per cylinder. Start system which should boot from the New HDD with the same partitions, sizes, drive letters, and contents as the old Disk 0. Reinstall the second hard drive back into its original bay. This is the alignment used by all Windows versions, up to and including Windows XP/Server 2003. When process complete, shut down system, remove old Disk 0 and remove New HDD and move it to the old Disk 0 drive bay. For a disk with 512 bytes per sector this equates to 2048 sector alignment.Ĭylinder, Head, Sector (CHS) alignment. Beginning with Windows Vista/Server 2008 partitions are aligned on 1MB boundaries. There are two alignment possibilities used by Windows:ġMB alignment. Partition alignment refers to the physical sector offset of partitions.
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