linux的fdisk已經會辨認4K磁區,但... - 儲存設備

By Zanna
at 2015-12-13T22:20
at 2015-12-13T22:20
Table of Contents
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk identifier: 0x00000000
我發現現在linux的fdisk會回報physical磁區的大小,至少對於2010前後的硬碟
我不用在那邊猜。而理論上SSD應該都是4K,但是我用intel 530 SSD 180G
卻發現4個數字都是512 bytes,請問這是為什麼,intel 故意裝成512 bytes嗎?
還是說就算我沒對齊4K邊界,intel本身也會幫我對齊?
--
起初,他們追殺共產主義者,我沒有說話,因為我不是共產主義者;
接著,他們追殺猶太人,我沒有說話,因為我不是猶太人;
後來,他們追殺工會成員,我沒有說話,因為我不是工會成員;
此後,他們追殺天主教徒,我沒有說話,因為我是新教教徒;
最後,他們奔我而來,卻再也沒有人站起來為我說話了。
《First They Came(他們首次來時)》,Martin Niemoller牧師(1892-1984)
--
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk identifier: 0x00000000
我發現現在linux的fdisk會回報physical磁區的大小,至少對於2010前後的硬碟
我不用在那邊猜。而理論上SSD應該都是4K,但是我用intel 530 SSD 180G
卻發現4個數字都是512 bytes,請問這是為什麼,intel 故意裝成512 bytes嗎?
還是說就算我沒對齊4K邊界,intel本身也會幫我對齊?
--
起初,他們追殺共產主義者,我沒有說話,因為我不是共產主義者;
接著,他們追殺猶太人,我沒有說話,因為我不是猶太人;
後來,他們追殺工會成員,我沒有說話,因為我不是工會成員;
此後,他們追殺天主教徒,我沒有說話,因為我是新教教徒;
最後,他們奔我而來,卻再也沒有人站起來為我說話了。
《First They Came(他們首次來時)》,Martin Niemoller牧師(1892-1984)
--
Tags:
儲存設備
All Comments

By Mia
at 2015-12-15T08:43
at 2015-12-15T08:43

By Harry
at 2015-12-19T16:03
at 2015-12-19T16:03

By Olivia
at 2015-12-23T04:16
at 2015-12-23T04:16

By Ingrid
at 2015-12-24T01:38
at 2015-12-24T01:38

By Hedy
at 2015-12-27T21:27
at 2015-12-27T21:27

By Hedwig
at 2015-12-28T08:41
at 2015-12-28T08:41

By George
at 2015-12-30T02:04
at 2015-12-30T02:04

By Genevieve
at 2016-01-03T07:47
at 2016-01-03T07:47

By Agatha
at 2016-01-05T18:04
at 2016-01-05T18:04

By Liam
at 2016-01-07T22:23
at 2016-01-07T22:23

By Valerie
at 2016-01-11T06:38
at 2016-01-11T06:38

By Steve
at 2016-01-12T15:53
at 2016-01-12T15:53

By Michael
at 2016-01-15T17:15
at 2016-01-15T17:15

By Wallis
at 2016-01-16T11:00
at 2016-01-16T11:00

By Callum
at 2016-01-17T12:26
at 2016-01-17T12:26

By Steve
at 2016-01-18T08:02
at 2016-01-18T08:02

By Barb Cronin
at 2016-01-19T06:25
at 2016-01-19T06:25

By Sandy
at 2016-01-20T16:37
at 2016-01-20T16:37
Related Posts
請問這顆M4-128G有沒有比HDD快....

By Ida
at 2015-12-13T00:15
at 2015-12-13T00:15
請問怎麼看硬碟狀況和怎麼處理壞軌

By Freda
at 2015-12-13T00:03
at 2015-12-13T00:03
2.5吋外接2t toshiba 系統相容

By Genevieve
at 2015-12-12T23:06
at 2015-12-12T23:06
久用不燙耐高溫的車用USB隨身碟?

By Lily
at 2015-12-12T23:05
at 2015-12-12T23:05
何種轉接頭

By Christine
at 2015-12-12T20:19
at 2015-12-12T20:19