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Western data is sued for mixing SMR disks into NAS storage products

via:CnBeta     time:2020/5/31 3:07:58     readed:733

Last month, three major hard disk manufacturers, WD, Seagate and Toshiba, publicly recognized mechanical hard disk productsMixed upSMR technology. Today's popular mechanical hard disk mainly adopts two kinds of technologies: CMR / PMR (vertical magnetic recording) and SMR (laminated magnetic recording). SMR technology has poor write performance, which can reduce cost and increase storage capacity by 20%. It is suitable for one write and multiple read scenarios, not suitable for scenarios requiring repeated write and read, such as NAS 13raid (may cause the hard disk to be damaged in a short time).

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