![]() Modern data recovery tools implement a handy feature allowing to repair files in certain formats, restoring the files back to their original specification. Just a few years ago we could not do anything with these files. RAID 4 – the successor of RAID 3, their difference being that now the block size can exceed 1 (one) byte.How to Defragment Your PC's Hard Drive on Windows 10 □️□️⏲️.This, however, means more wear and tear for the parity drive. RAID 3 is similar to RAID 5, but with one drive allocated to store drive parity information instead of striping parity across all drives.It is based on Hamming code and is relevant for systems combining large numbers of disks. RAID 2 combines two groups of disks, one containing data and the other containing error correcting code.RID 6 is used to increase disk space, boost read and write speeds, and improve reliability over the level provided by RAID 5. It can restore itself automatically even if 2 (two) disks fail. ![]() RAID 6 – data striping with double parity.The difference between 5EE and 5E is that the former array includes a hot spare drive that is actively used in the array operations. RAID 5E and 5EE (types similar to RAID 5, but with an extra hot spare drive sitting next to the array waiting for a drive to fail).RAID-z, RAID-z2, RAID-z3 – the technology of combining data storage devices into a single storage developed by the Sun Company.SHR, SHR-2 (Synology Hybrid RAID) – is Synology's automated RAID management system.The idea is to gain a disk performance boost, more disk space, and protect data against loss. ![]()
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