MSI K9NU User Guide - Page 75
Morphing From One RAID Array to Another
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nVIDIA SATA RAID Morphing From One RAID Array to Another In a traditional RAID environment, when a user wants to change the current state of a disk or a current array to a new RAID configuration, the process of reconfiguring the new array involves multiple steps. The user must back up the data, delete the array, re-boot the PC, and then reconfigure the new array. NVIDIA RAID allows the end user to change the current state of the disk or array to another with a one-step process called .Morphing.. This section describes the NVIDIA Morphing process and explains how to use Morphing to convert from one RAID array type to another. General Morphing Principles NVIDIA RAID includes extensive support for morphing, a process of converting from one RAID mode to another RAID mode. General Requirements and Limitations • The new array capacity must be equal to or greater than the previous array. For example, it is possible to morph from a RAID 1 array to a RAID 0 array as long as the RAID 0 array is the same size as (or larger than) the RAID 1 array. • You can't morph from RAID 1 to RAID 1 Specific Morphing Requirements The following table lists the disk requirements for a new RAID array for various morphing combinations. From RAID 0 RAID 1 To RAID 0 RAID 1 RAID 0 RAID 1 New Array Disk Requirements m > n Number of disks in the new array must be greater than the original array. m =2, n =1 RAID 1 array must include two disks, converted from a one disk RAID 0 array. No additional restrictions. ** Not a valid combination ** A-17