机械硬盘的出厂差异有多大？

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这是一个创建于 1040 天前的主题，其中的信息可能已经有所发展或是发生改变。

这差异有点太大了吧！！！

fio --filename=${disk} --direct=1 --rw=read --bs=64k --ioengine=libaio --iodepth=64 --runtime=300 --numjobs=4 --time_based --group_reporting --name=throughput-test-job --eta-newline=1 --readonly --output-format=json | python3 -c "import sys, json; speed=json.load(sys.stdin)['jobs'][0]['read']['bw_bytes']; speed=speed/1024/1024; print('Test Result: %s MB/s' % int(speed))"

=== /dev/sda START ===
Device Model: TOSHIBA MG09ACA18TE
Serial Number: ************
User Capacity: 18,000,207,937,536 bytes [18.0 TB]
Rotation Rate: 7200 rpm
Form Factor: 3.5 inches
SATA Version is: SATA 3.3, 6.0 Gb/s (current: 6.0 Gb/s)
Test Result: 235 MB/s
=== /dev/sda END ===

=== /dev/sdb START ===
Device Model: TOSHIBA MG09ACA18TE
Serial Number: ************
User Capacity: 18,000,207,937,536 bytes [18.0 TB]
Rotation Rate: 7200 rpm
Form Factor: 3.5 inches
SATA Version is: SATA 3.3, 6.0 Gb/s (current: 6.0 Gb/s)
Test Result: 244 MB/s
=== /dev/sdb END ===

=== /dev/sdc START ===
Device Model: TOSHIBA MG09ACA18TE
Serial Number: ************
User Capacity: 18,000,207,937,536 bytes [18.0 TB]
Rotation Rate: 7200 rpm
Form Factor: 3.5 inches
SATA Version is: SATA 3.3, 6.0 Gb/s (current: 6.0 Gb/s)
Test Result: 200 MB/s
=== /dev/sdc END ===

=== /dev/sdd START ===
Device Model: TOSHIBA MG09ACA18TE
Serial Number: ************
User Capacity: 18,000,207,937,536 bytes [18.0 TB]
Rotation Rate: 7200 rpm
Form Factor: 3.5 inches
SATA Version is: SATA 3.3, 6.0 Gb/s (current: 6.0 Gb/s)
Test Result: 202 MB/s
=== /dev/sdd END ===

9 条回复 • 2022-01-07 12:10:33 +08:00