1. 鼭
2. Ư¡
3. ߰
4. HDD
5. ġ
6. η
1. 鼭
SMR θ Ǹ鼭 PMR SMR ϴ DZ۵ ϴ.
PMR ݴ(?)Ǵ SMR ̾߱Ǿ ̰ Ϲ α ƴ϶ IT ü(Ư
ilovepc..)
Ϻ ǰ ̰ ִ 쵵 ִµ.
ٸ α׳ ݺƮ HDD ǰ, ǰǰ, IT ü PMR SMR Ӹ ƴ϶ CMR Ǿ ְ ٸ Ǿִ 쵵 ־ ȥ 쵵 ̴ϴ.
ѹ ýϴ.
ռ к ϸ
PMR̳ SMR̳ PMR Դϴ.(PMR PMRΰ 翬ϰ.)
PMR: Perpendicular Magnetic Recording(
ڱ )
SMR:
Shingled Magnetic Recording(ͽ ڱ )
CMR: Conventional
Magnetic Recording( Ϲ )
SMR̳ CMR̳
ϴ PMR
Ŀ ͼ SMR Ŀ ؼ
.. ̴ ̶ 濡 CMR̶ Īϴ Դϴ.
ٳ
2.
Ư¡
1. LMR( ڱ Ϲ, Longitudinal Magnetic Recording)
Toshiba ڷ
PMR Ϲ () ̴
LMR ÷ ǥ鿡 ڱ ڵ 迭 ϴ
ϵũ ۿ
е 뷮 øⰡ ʾҴµ ǻͰ Կ ͵ Ŀ ϸ ſ ū .
µ ȭ ؼ Ͱ ҽǵ ִ (
ʻڼ Ѱ )
ִ
2.
PMR(
ڱ ,
Perpendicular Magnetic Recording)
Toshiba ڷ
̰ ִ .
Ϻ а ̱ е Ǿ, ÷ ũ ùٵ ǥǰų,
HDD PMR 2005 ùٿ ȭǾٰ մϴ.
÷ ڼ '' 迭 е ̴
Ŀ е 鼭 尡 Ÿ ڷḦ а ־ 뷮 ƴ϶ ȿ ̷ °, ðƮ 2006 ù PMR ϵũ ϸ 뺸 30% ̷ ǥ
LMR ڼ ۰ Ǿ ũ⸦ ϼ ڼ ȭ ۾, HDD , ϵ Ʈ Sذ N ݹϴ ϱ е ϼ ° Ҿ ݸ
PMR Sذ N Ʒ ġǾ ˷, Ÿġ LMR 10 ϵ Ἲ ݸ PMR ó ¿ ̾ ¸
LMR
µ ȭ ؼ Ͱ ҽǵ ִ (
ʻڼ Ѱ
) ϴٴ° .
3.
SMR
(ͽ ڱ .
Shingled Magnetic Recording)
2013
Ʈ
ðƮ ǥǾ,
ȥ а SMR HDD ϴ ΰ..
ġ ļ Ѵٰ ؼ Ī.
CMR
ϴ Ʈ Ʈ̿ ־ Ȯ.
SMR
ϴ Ʈ
SMR Ʈ Ϻθ ó ļ
Ʈ ġ ֱ CMR ̻ Ϲе ִ.
б 带 庸 ۰ ֱ
SMR ˷ ߿
Ʈ ϱ б ۿ ū
ۿ Ʈ ٽ ϹǷ ϴ 羲 ۿ ӵ
Ͱ Ͱ 쵵 .
е , ۽ 弽͵
ҽ ɼ ŭ 뵵 ũ ִٴ .
ðƮ SMR ǥϸ鼭 SMR е 뷮
CMR ε 뷮 ̷ 10TB ½ Ѱܼ 18TB¥ WD DC HC550 ǰ ִ ¿
ðƮ Ÿ ٸ HDD ¥ 뷮 HDD SMR ° ܰ ΰǰ ִ Ȳ
SMR ϰ ´ 뵵 ϰ ϴ
SMR ǥ ʰų, 뵵 ġ ѵ SMR ϰų
ξε 뷮 SMR CMR ̷ ȥ ־
Ǵ 쵵 Ͼ .
3. ߰
ϸ
LMR
뷮
ҽ
PMR
, PMR ĺ 뷮 ϰ ȴٴ SMR ٽ ȥ µ
PMR Ǵ SMR ƴϰ
SMR PMR ̰ PMR CMR̶ еȴ.
Ű
(?) ĿƮ ۼ ڷԴϴ. :)
4. HDD
SMR â ðƮ CMR SMR ϰ ֽϴ.
ڷ
WD
ǰ ǥ . CMR SMR ϰ ֽϴ.
5. ġ
2.5ġ ϵ Ѱ ְ ʹ 뷮ȭ Ǿ
δ ƴ SMR ϰ ( ..)
3.5 CMRε ξ ū 뷮 ѵ 뷮 SMR ħǰ .
SMR 鼭 ϰ 嵵
̶ ϱ⸸
翡 Ȯϰ , ݵ ° 뵵 ´ 뵵 ϸ ִٰ մϴ.
ϰ ۾ ̷ 뵵ٴ
ѹ ߿ ڷḦ س ִ ״ ϴ ݵ Ϳ .
Ѵ е ľ Ư ս Ͼ ɼ ũ
ִ , κ ҿ ϴ° ϰ.
̳ ̳ .
CMR ȣϰ е
SMR Ǿ
ȸ鸶 ϰ ϸ鼭 մϴ.
6. η
̹ۿ 뷮 ߿ , ɵ ̱ õ ϰ .
ϵ忡 ִ´ٰų
ڱ ũ( е) ο ϱ 鼭 е ִ ̶
ðƮ HAMR
(Heat-assisted magnetic recording)
, WD 2017 10 ðƮ HAMR ü 뷮 ϵũ MAMR(Microwave Assisted Magnetic Recording) ǥ
ũο̺ ̿ϴ ũ Ƿ(spin torque oscillator) ̿ ʰ е ϴٰ .
WD MAMR 2025 40TB, ðƮ HAMR 2023 40TB ǥ ϰ ִµ, WD ڻ MAMR PMR İ ŷڼ 鿡 ϴٴ ִٰ մϴ.
--
ڷ:
1. ϵũ(HDD) LMR, PMR, CMR, SMR
https://rootblog.tistory.com/89
2. WD - SMR ϵũ
https://rootblog.tistory.com/248?category=695627
3. WD, HDD ǰ SMR
https://m.post.naver.com/viewer/postView.nhn?volumeNo=28104786&memberNo=11608918&vType=VERTICAL
4. PMR HAMR
HDD 뷮 Ȯ ?
https://m.post.naver.com/viewer/postView.nhn?volumeNo=12192242&memberNo=11608918&vType=VERTICAL
5. Ʈ, SMR ϵ ̺
6. 뷮 庮 㹫 Seagate SMR(Shingled Magnetic Recording)
7. On WD Red NAS Drives
8. ̺꿡 ֽϱ?
https://www.seagate.com/kr/ko/internal-hard-drives/cmr-smr-list/
9. 10 ô Ʈ 10TB HDD, ?
http://www.betanews.net/article/641181
10. ٳ HDD
http://prod.danawa.com/list/?cate=112763
11. Ű HDD
https://namu.wiki/w/ϵ%20ũ%20̺
12.
Perpendicular recording
https://en.wikipedia.org/wiki/Perpendicular_recording
13.
https://web.archive.org/web/20090414064812/http://www.toshiba.co.jp/about/press/2004_12/pr1401.htm
14.
https://chording5.tistory.com/95
LMR, PMR ڷ ̹
15.
https://www.computerbase.de/2020-07/western-digital-ultrastar-dc-hc550-18-tb-hdd-eamr/
16.
LMR PMR, SMR! HDD , ?
http://www.ilovepc.co.kr/news/articleView.html?idxno=31873
17. WD Red HDD, SMR Red CMR Red Plus
https://m.post.naver.com/viewer/postView.nhn?volumeNo=28629992&memberNo=11608918&vType=VERTICAL
18. ͽ ڱ (SMR) ΰ?... Shingled Magnetic Recording (SMR)?
https://blog.naver.com/amellowtea/221089275300
19. PMR ϵ
https://rasdin.tistory.com/182
20.
https://en.wikipedia.org/wiki/Heat-assisted_magnetic_recording
21. HDD
https://namu.wiki/w/%20HDD?from=SMR#s-6