RAID levels

Level 0  – disk striping  – break in peaces ant put in every disk fast transfer – by loosing 1 disk we loose all date

Level 1  – disk mirroring – every hdd have a backup, data integrity

Level 5  – disk striping with distributed parity –

 

Level 4 – data recovery activity – use a parity disk error correcting

raid 4raid 4-1