我正在使用一台旧的 WD My Book(不知道哪个版本,但很可能是此视频中的版本:https://www.youtube.com/watch?v =LtgRBe6nBOk&t)和 WD 2TB HDD。它通过迷你 USB b <=> USB A 连接到我的电脑。这是简短的 smartctl 测试的结果:
=== START OF INFORMATION SECTION ===
Model Family: Western Digital Green
Device Model: WDC WD20EZRX-00DC0B0
Serial Number: WD-WMC1T2926965
LU WWN Device Id: 5 0014ee 6add623cf
Firmware Version: 80.00A80
User Capacity: 2,000,398,934,016 bytes [2.00 TB]
Sector Sizes: 512 bytes logical, 4096 bytes physical
Device is: In smartctl database 7.3/5319
ATA Version is: ACS-2 (minor revision not indicated)
**SATA Version is: SATA 3.0, 6.0 Gb/s (current: 3.0 Gb/s)**
Local Time is: Fri Mar 8 16:11:21 2024 CET
SMART support is: Available - device has SMART capability.
SMART support is: Enabled
我是否被 mini USB b 电缆阻碍了?
它太旧了,我想它可能没有迷你 USB b <=> USB 3.0,对吗?
有什么方法可以使用这款 WD My Book 并获得 6 Gb/s 的速度吗?
如果没有,我应该怎样做才能充分利用这个硬盘?目前它通过 plex 提供媒体服务。
编辑:
添加 iozone 结果:
Children see throughput for 1 initial writers = 59172.65 kB/sec
Parent sees throughput for 1 initial writers = 29136.78 kB/sec
Min throughput per process = 59172.65 kB/sec
Max throughput per process = 59172.65 kB/sec
Avg throughput per process = 59172.65 kB/sec
Min xfer = 1048576.00 kB
Children see throughput for 1 rewriters = 59750.37 kB/sec
Parent sees throughput for 1 rewriters = 30209.04 kB/sec
Min throughput per process = 59750.37 kB/sec
Max throughput per process = 59750.37 kB/sec
Avg throughput per process = 59750.37 kB/sec
Min xfer = 1048576.00 kB
Children see throughput for 1 random readers = 163371.80 kB/sec
Parent sees throughput for 1 random readers = 54834.50 kB/sec
Min throughput per process = 163371.80 kB/sec
Max throughput per process = 163371.80 kB/sec
Avg throughput per process = 163371.80 kB/sec
Min xfer = 1048576.00 kB
无论哪种方式,它都不会影响性能。即使使用更快的 7200RPM HDD,您的实际写入速度也将限制在 120 MB/s 左右。WD Black(更快的型号)的销售传输速率仅为 150MB/s - 平均约为 80-100 MB/s。
读/写速度与 SATA 速度并不是一一对应的,但只有在 3-400+ MB/s 范围内更快的 SSD 才会开始给 3GB/s SATA 连接带来压力,而且只有在某些情况下,比如大文件副本
这里有一些更多信息和旧的(但仍然相关)基准示例