HW RAIDHW RAID

CONFIGURATIONCONFIGURATION

EXAMPLEEXAMPLE

Moreno BaricevicCNR-IOM DEMOCRITOS

Trieste, ITALY

2

RAID SET 1 + HOT SPARERAID SET 1 + HOT SPARE

HD1 HD2 HD3 HD4 HD5

3

RAID SET 1

RAID SET 1 + HOT SPARERAID SET 1 + HOT SPARE

HD1 HD2 HD3 HD4 HD5

4

RAID SET 1 HOT SPARE

RAID SET 1 + HOT SPARERAID SET 1 + HOT SPARE

HD1 HD2 HD3 HD4 HD5

5

RAID SET 1 HOT SPARE

VOLUME SET 1 VOLUME SET 1 (as RAID 6 for reliability)(as RAID 6 for reliability)sda1: /bootsda1: /bootsda2: LVM: /, /tmp, /var, ...sda2: LVM: /, /tmp, /var, ...

HD1 HD2 HD3 HD4 HD5

6

RAID SET 1 HOT SPARE

VOLUME SET 1 VOLUME SET 1 (as RAID 6 for reliability)(as RAID 6 for reliability)sda1: /bootsda1: /bootsda2: LVM: /, /tmp, /var, ...sda2: LVM: /, /tmp, /var, ...

HD1 HD2 HD3 HD4 HD5

VOLUME SET 1 (RAID 6)VOLUME SET 1 (RAID 6)

7

RAID SET 1 HOT SPARE

VOLUME SET 1 VOLUME SET 1 (as RAID 6 for reliability)(as RAID 6 for reliability)sda1: /bootsda1: /bootsda2: LVM: /, /tmp, /var, ...sda2: LVM: /, /tmp, /var, ...

HD1 HD2 HD3 HD4 HD5

VOLUME SET 1 (RAID 6)VOLUME SET 1 (RAID 6)

/dev/sda

8

RAID SET 1 HOT SPARE

VOLUME SET 1 VOLUME SET 1 (as RAID 6 for reliability)(as RAID 6 for reliability)sda1: /bootsda1: /bootsda2: LVM: /, /tmp, /var, ...sda2: LVM: /, /tmp, /var, ...

HD1 HD2 HD3 HD4 HD5

VOLUME SET 1 (RAID 6)VOLUME SET 1 (RAID 6)

/dev/sda

/dev/sda1

9

RAID SET 1 HOT SPARE

VOLUME SET 1 VOLUME SET 1 (as RAID 6 for reliability)(as RAID 6 for reliability)sda1: /bootsda1: /bootsda2: LVM: /, /tmp, /var, ...sda2: LVM: /, /tmp, /var, ...

HD1 HD2 HD3 HD4 HD5

VOLUME SET 1 (RAID 6)VOLUME SET 1 (RAID 6)

/dev/sda

/dev/sda1 /dev/sda2

10

RAID SET 1 HOT SPARE

VOLUME SET 1 VOLUME SET 1 (as RAID 6 for reliability)(as RAID 6 for reliability)sda1: /bootsda1: /bootsda2: LVM: /, /tmp, /var, ...sda2: LVM: /, /tmp, /var, ...

HD1 HD2 HD3 HD4 HD5

VOLUME SET 1 (RAID 6)VOLUME SET 1 (RAID 6)

/dev/sda

MBR /dev/sda1 /dev/sda2

11

RAID SET 1 HOT SPARE

VOLUME SET 1 VOLUME SET 1 (as RAID 6 for reliability)(as RAID 6 for reliability)sda1: /bootsda1: /bootsda2: LVM: /, /tmp, /var, ...sda2: LVM: /, /tmp, /var, ...

HD1 HD2 HD3 HD4 HD5

VOLUME SET 1 (RAID 6)VOLUME SET 1 (RAID 6)

/dev/sda

MBR /dev/sda1 /dev/sda2

ext3

/boot

12

RAID SET 1 HOT SPARE

VOLUME SET 1 VOLUME SET 1 (as RAID 6 for reliability)(as RAID 6 for reliability)sda1: /bootsda1: /bootsda2: LVM: /, /tmp, /var, ...sda2: LVM: /, /tmp, /var, ...

HD1 HD2 HD3 HD4 HD5

VOLUME SET 1 (RAID 6)VOLUME SET 1 (RAID 6)

/dev/sda

MBR /dev/sda1 /dev/sda2

ext3

/boot

LVMVOL.

GROUP

13

RAID SET 1 HOT SPARE

VOLUME SET 1 VOLUME SET 1 (as RAID 6 for reliability)(as RAID 6 for reliability)sda1: /bootsda1: /bootsda2: LVM: /, /tmp, /var, ...sda2: LVM: /, /tmp, /var, ...

HD1 HD2 HD3 HD4 HD5

VOLUME SET 1 (RAID 6)VOLUME SET 1 (RAID 6)

/dev/sda

MBR /dev/sda1 /dev/sda2

ext3

/boot

LVMVOL.

GROUP

LVM LogicalVolume 1

14

RAID SET 1 HOT SPARE

VOLUME SET 1 VOLUME SET 1 (as RAID 6 for reliability)(as RAID 6 for reliability)sda1: /bootsda1: /bootsda2: LVM: /, /tmp, /var, ...sda2: LVM: /, /tmp, /var, ...

HD1 HD2 HD3 HD4 HD5

VOLUME SET 1 (RAID 6)VOLUME SET 1 (RAID 6)

/dev/sda

MBR /dev/sda1 /dev/sda2

ext3

/boot

LVMVOL.

GROUP

LVM LogicalVolume 1

LVM LogicalVolume 2

LVM LogicalVolume 3

LVMLogicalVol. 4

15

RAID SET 1 HOT SPARE

VOLUME SET 1 VOLUME SET 1 (as RAID 6 for reliability)(as RAID 6 for reliability)sda1: /bootsda1: /bootsda2: LVM: /, /tmp, /var, ...sda2: LVM: /, /tmp, /var, ...

HD1 HD2 HD3 HD4 HD5

VOLUME SET 1 (RAID 6)VOLUME SET 1 (RAID 6)

/dev/sda

MBR /dev/sda1 /dev/sda2

ext3

/boot

LVMVOL.

GROUP

LVM LogicalVolume 1

/ (root fs)

LVM LogicalVolume 2

LVM LogicalVolume 3

LVMLogicalVol. 4

ext3

16

RAID SET 1 HOT SPARE

VOLUME SET 1 VOLUME SET 1 (as RAID 6 for reliability)(as RAID 6 for reliability)sda1: /bootsda1: /bootsda2: LVM: /, /tmp, /var, ...sda2: LVM: /, /tmp, /var, ...

HD1 HD2 HD3 HD4 HD5

VOLUME SET 1 (RAID 6)VOLUME SET 1 (RAID 6)

/dev/sda

MBR /dev/sda1 /dev/sda2

ext3

/boot

LVMVOL.

GROUP

LVM LogicalVolume 1

/ (root fs)

LVM LogicalVolume 2

/tmp

LVM LogicalVolume 3

LVMLogicalVol. 4

ext3 ext3

17

RAID SET 1 HOT SPARE

VOLUME SET 1 VOLUME SET 1 (as RAID 6 for reliability)(as RAID 6 for reliability)sda1: /bootsda1: /bootsda2: LVM: /, /tmp, /var, ...sda2: LVM: /, /tmp, /var, ...

HD1 HD2 HD3 HD4 HD5

VOLUME SET 1 (RAID 6)VOLUME SET 1 (RAID 6)

/dev/sda

MBR /dev/sda1 /dev/sda2

ext3

/boot

LVMVOL.

GROUP

LVM LogicalVolume 1

/ (root fs)

LVM LogicalVolume 2

/tmp

LVM LogicalVolume 3

/var

LVMLogicalVol. 4

ext3 ext3 ext3

18

RAID SET 1 HOT SPARE

VOLUME SET 1 VOLUME SET 1 (as RAID 6 for reliability)(as RAID 6 for reliability)sda1: /bootsda1: /bootsda2: LVM: /, /tmp, /var, ...sda2: LVM: /, /tmp, /var, ...

HD1 HD2 HD3 HD4 HD5

VOLUME SET 1 (RAID 6)VOLUME SET 1 (RAID 6)

/dev/sda

MBR /dev/sda1 /dev/sda2

ext3

/boot

LVMVOL.

GROUP

LVM LogicalVolume 1

/ (root fs)

LVM LogicalVolume 2

/tmp

LVM LogicalVolume 3

/var

LVMLogicalVol. 4

ext3 ext3 ext3 swap

19

RAID SET 1 HOT SPARE

VOLUME SET 2 VOLUME SET 2 (as RAID 6 for reliability)(as RAID 6 for reliability)sdb1: /homesdb1: /home

HD5

VOLUME SET 1 (RAID 6)VOLUME SET 1 (RAID 6)

HD1 HD2 HD3 HD4

VOLUME SET 2 (RAID 6)VOLUME SET 2 (RAID 6)

20

RAID SET 1 HOT SPARE

VOLUME SET 2 VOLUME SET 2 (as RAID 6 for reliability)(as RAID 6 for reliability)sdb1: /homesdb1: /home

HD5

VOLUME SET 1 (RAID 6)VOLUME SET 1 (RAID 6)

/dev/sdb

HD1 HD2 HD3 HD4

VOLUME SET 2 (RAID 6)VOLUME SET 2 (RAID 6)

21

RAID SET 1 HOT SPARE

VOLUME SET 2 VOLUME SET 2 (as RAID 6 for reliability)(as RAID 6 for reliability)sdb1: /homesdb1: /home

HD5

VOLUME SET 1 (RAID 6)VOLUME SET 1 (RAID 6)

/dev/sdb

MBR /dev/sdb1

HD1 HD2 HD3 HD4

VOLUME SET 2 (RAID 6)VOLUME SET 2 (RAID 6)

22

RAID SET 1 HOT SPARE

VOLUME SET 2 VOLUME SET 2 (as RAID 6 for reliability)(as RAID 6 for reliability)sdb1: /homesdb1: /home

HD5

VOLUME SET 1 (RAID 6)VOLUME SET 1 (RAID 6)

/dev/sdb

MBR /dev/sdb1

/home

HD1 HD2 HD3 HD4

VOLUME SET 2 (RAID 6)VOLUME SET 2 (RAID 6)

ext3

23

RAID SET 1 HOT SPARE

VOLUME SET 3 VOLUME SET 3 (as RAID 0 for speed)(as RAID 0 for speed)sdc1: /scratchsdc1: /scratch

HD5

VOLUME SET 1 (RAID 6)VOLUME SET 1 (RAID 6)VOLUME SET 2 (RAID 6)VOLUME SET 2 (RAID 6)

VOLUME SET 3 (RAID 0)VOLUME SET 3 (RAID 0)

24

RAID SET 1 HOT SPARE

VOLUME SET 3 VOLUME SET 3 (as RAID 0 for speed)(as RAID 0 for speed)sdc1: /scratchsdc1: /scratch

HD5

VOLUME SET 1 (RAID 6)VOLUME SET 1 (RAID 6)

/dev/sdc

VOLUME SET 2 (RAID 6)VOLUME SET 2 (RAID 6)

VOLUME SET 3 (RAID 0)VOLUME SET 3 (RAID 0)

25

RAID SET 1 HOT SPARE

VOLUME SET 3 VOLUME SET 3 (as RAID 0 for speed)(as RAID 0 for speed)sdc1: /scratchsdc1: /scratch

HD5

VOLUME SET 1 (RAID 6)VOLUME SET 1 (RAID 6)

/dev/sdc

MBR /dev/sdc1

VOLUME SET 2 (RAID 6)VOLUME SET 2 (RAID 6)

VOLUME SET 3 (RAID 0)VOLUME SET 3 (RAID 0)

26

RAID SET 1 HOT SPARE

VOLUME SET 3 VOLUME SET 3 (as RAID 0 for speed)(as RAID 0 for speed)sdc1: /scratchsdc1: /scratch

HD5

VOLUME SET 1 (RAID 6)VOLUME SET 1 (RAID 6)

/dev/sdc

MBR /dev/sdc1

/scratch

VOLUME SET 2 (RAID 6)VOLUME SET 2 (RAID 6)

ext3

VOLUME SET 3 (RAID 0)VOLUME SET 3 (RAID 0)