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標題: [硬件] WD 10K 轉比7.2k 快好多? [打印本頁]

作者: DICKXDV 時間: 2012-2-14 14:50 標題: WD 10K 轉比7.2k 快好多?

如果都係SATA2 計.

定係要RAID 埋先有野睇?

作者: bebird 時間: 2012-2-14 14:51

引用:

原帖由 DICKXDV 於 14/2/2012 14:50 發表
如果都係SATA2 計.

定係要RAID 埋先有野睇?

not consider SSD?

作者: DICKXDV 時間: 2012-2-14 14:54

引用:

原帖由 bebird 於 2012-2-14 14:51 發表

not consider SSD?

SMALL AND OLD SERVER USE

作者: bebird 時間: 2012-2-14 15:02

引用:

原帖由 DICKXDV 於 14/2/2012 14:54 發表

SMALL AND OLD SERVER USE

10k, access time can be 5-6ms
7.2k, from 10-16ms
SSD, 0.x ms

作者: DICKXDV 時間: 2012-2-14 15:16

引用:

原帖由 bebird 於 2012-2-14 15:02 發表

10k, access time can be 5-6ms
7.2k, from 10-16ms
SSD, 0.x ms

除左access time外, 實際..?

作者: bebird 時間: 2012-2-14 15:33

引用:

原帖由 DICKXDV 於 14/2/2012 15:16 發表

除左access time外, 實際..?

for large file read/write, check average transfer rate, i.e. usually newer hard disk, higher transfer rate
for small file read/write (i.e. load os or programs), 4k performance and access time is the most important.

BTW, which 10k and which 7.2k HDD do you compare?

作者: DICKXDV 時間: 2012-2-14 16:06

引用:

原帖由 bebird 於 2012-2-14 15:33 發表

for large file read/write, check average transfer rate, i.e. usually newer hard disk, higher transfer rate
for small file read/write (i.e. load os or programs), 4k performance and access time is the ...

作者: jackli 時間: 2012-2-14 16:21

引用:

原帖由 bebird 於 2012-2-14 15:02 發表

10k, access time can be 5-6ms
7.2k, from 10-16ms
SSD, 0.x ms

7.2K, 12ms up!

作者: bebird 時間: 2012-2-14 16:26

引用:

原帖由 jackli 於 14/2/2012 16:21 發表

7.2K, 12ms up!

just roughly, BTW, my WD Black 1TB is 11.x ms, similar as this:

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