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HW RAIDHW RAID
CONFIGURATIONCONFIGURATION
EXAMPLEEXAMPLE
Moreno BaricevicCNR-IOM DEMOCRITOS
Trieste, ITALY
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RAID SET 1 + HOT SPARERAID SET 1 + HOT SPARE
HD1 HD2 HD3 HD4 HD5
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3
RAID SET 1
RAID SET 1 + HOT SPARERAID SET 1 + HOT SPARE
HD1 HD2 HD3 HD4 HD5
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4
RAID SET 1 HOT SPARE
RAID SET 1 + HOT SPARERAID SET 1 + HOT SPARE
HD1 HD2 HD3 HD4 HD5
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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
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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)
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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)
![Page 20: HW RAID CONFIGURATION EXAMPLE - democritos.itbaro/slides/ICTP-DATA-2011/hwraid_example-e… · RAID SET 1 HOT SPARE VOLUME SET 1 (as RAID 6 for reliability) sda1: /boot sda2: LVM:](https://reader035.vdocuments.us/reader035/viewer/2022071017/5fd003cf26e9d43a64097feb/html5/thumbnails/20.jpg)
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)
![Page 21: HW RAID CONFIGURATION EXAMPLE - democritos.itbaro/slides/ICTP-DATA-2011/hwraid_example-e… · RAID SET 1 HOT SPARE VOLUME SET 1 (as RAID 6 for reliability) sda1: /boot sda2: LVM:](https://reader035.vdocuments.us/reader035/viewer/2022071017/5fd003cf26e9d43a64097feb/html5/thumbnails/21.jpg)
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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)
![Page 22: HW RAID CONFIGURATION EXAMPLE - democritos.itbaro/slides/ICTP-DATA-2011/hwraid_example-e… · RAID SET 1 HOT SPARE VOLUME SET 1 (as RAID 6 for reliability) sda1: /boot sda2: LVM:](https://reader035.vdocuments.us/reader035/viewer/2022071017/5fd003cf26e9d43a64097feb/html5/thumbnails/22.jpg)
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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
![Page 23: HW RAID CONFIGURATION EXAMPLE - democritos.itbaro/slides/ICTP-DATA-2011/hwraid_example-e… · RAID SET 1 HOT SPARE VOLUME SET 1 (as RAID 6 for reliability) sda1: /boot sda2: LVM:](https://reader035.vdocuments.us/reader035/viewer/2022071017/5fd003cf26e9d43a64097feb/html5/thumbnails/23.jpg)
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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)
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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)
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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)
![Page 26: HW RAID CONFIGURATION EXAMPLE - democritos.itbaro/slides/ICTP-DATA-2011/hwraid_example-e… · RAID SET 1 HOT SPARE VOLUME SET 1 (as RAID 6 for reliability) sda1: /boot sda2: LVM:](https://reader035.vdocuments.us/reader035/viewer/2022071017/5fd003cf26e9d43a64097feb/html5/thumbnails/26.jpg)
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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)