Submit Search
Upload
Raid(元禾)
•
0 likes
•
345 views
F
firrlhnv109
Follow
RAID解說
Read less
Read more
Technology
Report
Share
Report
Share
1 of 4
Download now
Download to read offline
Recommended
Grecia clase 4 democracia ateniense septimo basico
Grecia clase 4 democracia ateniense septimo basico
San Sebastián University
Ukraine, Kharkiv, Java Club. Day 2
Ukraine, Kharkiv, Java Club. Day 2
Andrew Gusev
Relatório de Gestão 2013-2014 - SUDEN/SE
Relatório de Gestão 2013-2014 - SUDEN/SE
Cláudio Teixeira
信息 Sunday Sermon 10/07/2011
信息 Sunday Sermon 10/07/2011
Sembawang Baptist Church
Sweet
Sweet
mmanimaran
นำเสนอ Hl ของเขต
นำเสนอ Hl ของเขต
jd18122505
คณิต1
คณิต1
Umaporn Saengtawin
CV
CV
Kristapeeters
Recommended
Grecia clase 4 democracia ateniense septimo basico
Grecia clase 4 democracia ateniense septimo basico
San Sebastián University
Ukraine, Kharkiv, Java Club. Day 2
Ukraine, Kharkiv, Java Club. Day 2
Andrew Gusev
Relatório de Gestão 2013-2014 - SUDEN/SE
Relatório de Gestão 2013-2014 - SUDEN/SE
Cláudio Teixeira
信息 Sunday Sermon 10/07/2011
信息 Sunday Sermon 10/07/2011
Sembawang Baptist Church
Sweet
Sweet
mmanimaran
นำเสนอ Hl ของเขต
นำเสนอ Hl ของเขต
jd18122505
คณิต1
คณิต1
Umaporn Saengtawin
CV
CV
Kristapeeters
Cavicchi silvia 2010-11_esercizio4
Cavicchi silvia 2010-11_esercizio4
Sil151515
FILMUS
FILMUS
Casa Progresista del Sur
Human mind and Usability
Human mind and Usability
Sergei Spivak
Борьба масштабов
Борьба масштабов
smartnick
Qlik view advanced features
Qlik view advanced features
divjeev
Chataeu
Chataeu
remiracco
Bsc 3
Bsc 3
Garik Davtyan
Grecia clase 5 guerras medicas séptimo basico
Grecia clase 5 guerras medicas séptimo basico
San Sebastián University
Portfolio ev
Portfolio ev
Enrique Valiente Stegeman
Dearborn inn essen
Dearborn inn essen
Executive Road Warrior magazine
Mlada fronta Media kit 2011 Czech
Mlada fronta Media kit 2011 Czech
Petr Němec
Geospacial jabfungsurta
Geospacial jabfungsurta
jasa16
Salas comerciais a venda em São Paulo-Franca, EIDFÍCIO PRIME BUSNESS CENTER
Salas comerciais a venda em São Paulo-Franca, EIDFÍCIO PRIME BUSNESS CENTER
Edmo Ferreira
Afiches
Afiches
Gabriela Montoya
Fazenda a venda São Paulo-Cristais Paulista, 36,3 hect., Pecuária
Fazenda a venda São Paulo-Cristais Paulista, 36,3 hect., Pecuária
Edmo Ferreira
นำเสนอครูวิ
นำเสนอครูวิ
Guy Kong
回眸上海(2) 民国初期
回眸上海(2) 民国初期
qyed
Lmspowerpoint
Lmspowerpoint
LMSSoftware
開啟Telnet服務
開啟Telnet服務
firrlhnv109
2008 r2 dc加入2003 dc(元禾)
2008 r2 dc加入2003 dc(元禾)
firrlhnv109
2008 dc檢視網路地圖
2008 dc檢視網路地圖
firrlhnv109
2003安全性mmc設定(元禾)
2003安全性mmc設定(元禾)
firrlhnv109
More Related Content
Viewers also liked
Cavicchi silvia 2010-11_esercizio4
Cavicchi silvia 2010-11_esercizio4
Sil151515
FILMUS
FILMUS
Casa Progresista del Sur
Human mind and Usability
Human mind and Usability
Sergei Spivak
Борьба масштабов
Борьба масштабов
smartnick
Qlik view advanced features
Qlik view advanced features
divjeev
Chataeu
Chataeu
remiracco
Bsc 3
Bsc 3
Garik Davtyan
Grecia clase 5 guerras medicas séptimo basico
Grecia clase 5 guerras medicas séptimo basico
San Sebastián University
Portfolio ev
Portfolio ev
Enrique Valiente Stegeman
Dearborn inn essen
Dearborn inn essen
Executive Road Warrior magazine
Mlada fronta Media kit 2011 Czech
Mlada fronta Media kit 2011 Czech
Petr Němec
Geospacial jabfungsurta
Geospacial jabfungsurta
jasa16
Salas comerciais a venda em São Paulo-Franca, EIDFÍCIO PRIME BUSNESS CENTER
Salas comerciais a venda em São Paulo-Franca, EIDFÍCIO PRIME BUSNESS CENTER
Edmo Ferreira
Afiches
Afiches
Gabriela Montoya
Fazenda a venda São Paulo-Cristais Paulista, 36,3 hect., Pecuária
Fazenda a venda São Paulo-Cristais Paulista, 36,3 hect., Pecuária
Edmo Ferreira
นำเสนอครูวิ
นำเสนอครูวิ
Guy Kong
回眸上海(2) 民国初期
回眸上海(2) 民国初期
qyed
Lmspowerpoint
Lmspowerpoint
LMSSoftware
Viewers also liked
(18)
Cavicchi silvia 2010-11_esercizio4
Cavicchi silvia 2010-11_esercizio4
FILMUS
FILMUS
Human mind and Usability
Human mind and Usability
Борьба масштабов
Борьба масштабов
Qlik view advanced features
Qlik view advanced features
Chataeu
Chataeu
Bsc 3
Bsc 3
Grecia clase 5 guerras medicas séptimo basico
Grecia clase 5 guerras medicas séptimo basico
Portfolio ev
Portfolio ev
Dearborn inn essen
Dearborn inn essen
Mlada fronta Media kit 2011 Czech
Mlada fronta Media kit 2011 Czech
Geospacial jabfungsurta
Geospacial jabfungsurta
Salas comerciais a venda em São Paulo-Franca, EIDFÍCIO PRIME BUSNESS CENTER
Salas comerciais a venda em São Paulo-Franca, EIDFÍCIO PRIME BUSNESS CENTER
Afiches
Afiches
Fazenda a venda São Paulo-Cristais Paulista, 36,3 hect., Pecuária
Fazenda a venda São Paulo-Cristais Paulista, 36,3 hect., Pecuária
นำเสนอครูวิ
นำเสนอครูวิ
回眸上海(2) 民国初期
回眸上海(2) 民国初期
Lmspowerpoint
Lmspowerpoint
More from firrlhnv109
開啟Telnet服務
開啟Telnet服務
firrlhnv109
2008 r2 dc加入2003 dc(元禾)
2008 r2 dc加入2003 dc(元禾)
firrlhnv109
2008 dc檢視網路地圖
2008 dc檢視網路地圖
firrlhnv109
2003安全性mmc設定(元禾)
2003安全性mmc設定(元禾)
firrlhnv109
2003網域安全性原則
2003網域安全性原則
firrlhnv109
解除密碼流程(元禾)
解除密碼流程(元禾)
firrlhnv109
Mmc操作(元禾)
Mmc操作(元禾)
firrlhnv109
More from firrlhnv109
(7)
開啟Telnet服務
開啟Telnet服務
2008 r2 dc加入2003 dc(元禾)
2008 r2 dc加入2003 dc(元禾)
2008 dc檢視網路地圖
2008 dc檢視網路地圖
2003安全性mmc設定(元禾)
2003安全性mmc設定(元禾)
2003網域安全性原則
2003網域安全性原則
解除密碼流程(元禾)
解除密碼流程(元禾)
Mmc操作(元禾)
Mmc操作(元禾)
Raid(元禾)
1.
RAID 跨磁區 (Spanned) 存取方式循序,當 1st
磁碟容量寫滿以後,再將資料往 2nd 磁碟寫入,當硬碟故 障時,視資料存取位置,部份資料可以取回。每個磁碟容量大小不須相等。 等量 (Stripping) 存取方式將資料切割成 n 等份,再同時分別存到 n 個磁碟,所以每個磁碟內都 有 1/n 的資料,當一個磁碟故障,資料便無法完整讀取。每個磁碟容量大小須一 致。
2.
鏡像 (Mirror) 存取方式將一份資料同時複制二份到二個磁碟內,讀取時從二個磁碟各取一半 的資料。須二個容量大小一致的磁碟。 當其中一個磁碟故障時,資料依然能從另一個磁碟完整取出。
3.
RAID-5 RAID 5 不對儲存的資料進行備份,而是把資料和相對應的奇偶校驗資訊(通過 XOR
運算)儲存到組成 RAID5 的各個磁碟上,並且奇偶校驗資訊和相對應的資料分 別儲存於不同的磁碟上。 RAID5 的一個磁碟資料發生損壞後,利用剩下的資料和 當 相應的奇偶校驗資訊去恢復被損壞的資料。RAID-5 需要三個磁碟以上才能達成。 (參考維基百科)
4.
當其中一個磁碟故障時,讀取其他 n 個磁碟裡的資料,經由
XOR 運算將遺失的 資料還原(如上圖中下方的藍色資訊),此時就能將所有等份的資料還原成原來 的資料。
Download now