本帖最後由 kenn 於 2021-4-27 13:55 編輯
想買多2隻10TB 硬碟加入現有raid-6及raid-0 arrays.
WD有3款10TB硬碟 --- Gold, HC330及HC510. 全部都保用5年. 根據廠方data sheet, 他們的spec如下:
(1) GOLD
transfer rate: 262MB/s; cache: 256MB; MTBF: 2M hours; Annual Failaure Rate: 0.44%; sector size: 512e
(2) HC330
transfer rate: up to 262MB/s; cache: 256MB; MTBF: 2M hours; Annual failure rate: 0.44%; sector size:512e / 4Kn:4096
(3) HC510
transfer rate: 249MB/s; cache: 256MB; MTBF: 2.5M hours; Annual failure rate: 0.35%; 512e / 4Kn:4096
速度上HC510 (249MB/s)似乎慢了少少, 但AFR(0.35%)又細D. 不知如何揀選? 不知各位大大有何意見 |