15
RAID
⯜☐
⽸Ẅ䖐
⺴⦑
RAID 0(
㏘䏬⢰㢨䘸
♈㏘䆠
)
⒤㢨䉤ᴴ
␘㍌㢌
♈㏘䆠㜄
⺸╌㛨
♈㏘䆠
㋁⓸ᴴ
㫑ᴴ
䚌㫴⬀
,
㟝⣽㢌
ᵄ㋀⏈
㛺␘
.
␘⬀
,
㛨⏄䚐㯱㢌
♈㏘䆠㜄
ⱬ㥐ᴴ
㈑ὤ⮨
,
⯜☔⒤㢨䉤⪰
㢷㡸
㍌
㢼␘
.
㢨⤤
㛨⤼㢨㢌
ᷱ㟤
⸨㙼
ὤ⏙㢨
㤸䜴
㛺㛨
㢰ⵌ㤵㡰⦐
RAID 0
⢰Ḕ
⺴⪬␘
.
㛨⤼㢨ㇵ
⯜☔
♈㏘䆠㜄
⒤㢨䉤ᴴ
⸩㥐╌㛨
㢼㛨
㝸ⷱ䚐
⸨㙼㉥㡸
ᵊ⏈␘
.
▄ᵐ
䝭㡴
Ἤ
㢨ㇵ㢌
♈㏘䆠ᴴ
㥉䞉䚌᷀
┍㢰䚐
⒤㢨䉤⪰
ᵍ㡴㐐ᴸ㜄
䚡ㇵ
㩅⸩䚨
㤴䚡䚌᷀
═␘
.
⒤㢨䉤⏈
䚐ᵐ㢌
♈㏘䆠⬀
㙸
⇜㙸⓸
⯜▄
⸩Ạ
ᴴ⏙䚌⮤
,
㹑
♈㏘䆠
㟝⣽㡴
,
㛨⤼㢨ㇵ
ᴴ㣙
㣅㡴
♈㏘䆠㢌
䆠ὤ㝴
┍㢰䚌␘
.
㛨⛘
ᷱ㟤㜄⓸
,
ᴵᴵ㢌
♈㏘䆠㜄
㤴㣙╌㛨
㢼⏈
⒤㢨䉤⏈
⯜▄
㛨⤼㢨
ㇵ㢌
♈㏘䆠㜄
㢼⏈
⒤㢨䉤㝴
┍㢰䚌␘
.
J B O D
⏈
㢰 ⵌ 㤵 㡰 ⦐
⺴ ⪨ ⏈
⮹ 㾡 㡰 ⦐
,
ḩ 㐑 ⮹ 㾡 㡴
Spanning
㡰⦐
RAID
⦐
Ạ㉥╌㫴
㙾㚌⒌
,
♈㏘䆠⪰
㢨㟝䚨
㜄 ⤠ 㜄
ᵉ 䚌 Ḕ
,
⒤ 㢨 䉤
㚕 ㉬ ㏘
㋁ ⓸ ⪰
⋆ 㢰
㍌
㢼 ⏈
ⵝⷉ㢨␘
.
RAID 1(
⤠㉬䐹
/
♈㏘䆠
)
JBOD
Ȟ
Just a Bunch Of Disks
ȟ
⤼㢨㏘
㐐㏘䊐㡴
,
⒤㢨䉤⪰
㩅⸩䚨㉐
␘㍌㢌
♈㏘䆠㜄
㤴㣙䚌⏈⒤
㟨㜵㷨㥐ㇵ
␜㢰
♈㏘䆠⦐
⇌䇴⇌᷀
═␘
.
⽸⦑
, JBOD
⓸
㟨㜵㷨㥐ㇵ
䚐
ᵐ㢌
♈㏘䆠⦐
⇌䇴⇌㫴⬀
,
␘㍌㢌
☐⢰㢨⽀⪰
䚐
ᵐ㢌
⊰⫠㤵
☐⢰㢨⽀⦐
Ạ㉥䚐␘⏈
㥄㢨
␘⪨␘
. JBOD
⏈
ᴵᴵ㢌
♈㏘䆠⪰
㇠㟝䚌⏈⒤
㢼㛨㉐㢌
㣙㥄㡸
㥐ḩ䚌㫴
㙾㡰⮤
,
⤼㢨☐㜄㉐
ᵊḔ
㢼⏈
⸨㙼㉥
⬀䆰㢌
㙼㥉㉥㡸
㥐ḩ䚌㫴⏈
⯯䚐␘
.
RAID mode Disk
㍟㣄
㟝⣽
㉥⏙
㙼㥉㉥
㇠㟝
㟝⓸
JBOD
RAID 0
RAID 1
2
㢨ㇵ
2
㢨ㇵ
2
䚐ᵐ㢌
♈㏘䆠㝴
┍㢰
Ḕ㋁
1
ᵐ㢌
♈㏘䆠
⸨␘
Ḕ㋁
㛺㢀
㛺㢀
⋆㢀
Full two disk
Two disk capacity
base on lower
capacity HDD
50% of two disk
capacity
RAID 0
RAID 1
JBOD
DISK 0
DISK 1
DISK 2
on
DISK 0
DISK 1
DISK 0
DISK 1
㟝⣽㠸㨰㢌
㇠㟝
㉥⏙㠸㨰㢌
㇠㟝
⸨㙼
ⵃ
㙼㥉㉥㠸㨰
