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发表于 2006-12-7 18:24:59
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就 Notebook 的 SATA harddisk 來說, 20 -30MB/s 是正常, 我的 Notebook harddisk, hdparm -tT /dev/sda 也只是可以去到 35.10MB/s
/dev/sda:
Timing cached reads: 2368 MB in 2.00 seconds = 1183.93 MB/sec
Timing buffered disk reads: 102 MB in 3.02 seconds = 33.77 MB/sec
matthew@Matthew-PC:~$ sudo hdparm -tT /dev/sda
/dev/sda:
Timing cached reads: 2352 MB in 2.00 seconds = 1175.93 MB/sec
Timing buffered disk reads: 104 MB in 3.04 seconds = 34.21 MB/sec
matthew@Matthew-PC:~$ sudo hdparm -tT /dev/sda
/dev/sda:
Timing cached reads: 2292 MB in 2.00 seconds = 1145.93 MB/sec
Timing buffered disk reads: 104 MB in 3.04 seconds = 34.25 MB/sec
Post by Schwarlz
对于现在的sata,或者能上到UDMA100的IDE硬盘来说,只要内核里有dma chipset driver支持,50MB/s对于台式机都是能达到的。 |
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