HP XP20000/XP24000 HP StorageWorks XP Disk Array Configuration Guide (T5278-96 - Page 83

Verifying new device recognition, Configuring disk array devices

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1. Power on the display of the Linux server. 2. Power on all devices other than the Linux server. 3. Confirm ready status of all devices. 4. Power on the Linux server. Verifying new device recognition 1. Verify that the FCA driver is installed using the lsmod command. 2. View the device information in the /proc/scsi/scsi file. Example #cat /proc/scsi/scsiAttached devices: Host: scsi0 Channel: 00 Id: 00 Lun: 00 Vendor: HP Model: OPEN-9 Rev: 2105 Type: Direct-Access ANSI SCSI revision: 02 Host: scsi0 Channel: 00 Id: 00 Lun: 01 Vendor: HP Model: OPEN-9 Rev: 2105 Type: Direct-Access ANSI SCSI revision: 02 Host: scsi0 Channel: 00 Id: 00 Lun: 02 Vendor: HP Model: OPEN-9 Rev: 2105 Type: Direct-Access ANSI SCSI revision: 02 Host: scsi0 Channel: 00 Id: 00 Lun: 03 Vendor: HP Model: OPEN-9 Rev: 2105 Type: Direct-Access ANSI SCSI revision: 02 3. Verify that the system recognizes the disk array partitions by viewing the /proc/partitions file. Example #cat /proc/partitions major minor #blocks name rio rmerge rsect ... 8 0 7211520 sda 1 3 8 ... 8 1 7181087 sda1 0 0 0 ... 8 2 28272 sda2 0 0 0 ... 8 16 7211520 sdb 1 3 8 ... 8 17 7181087 sdb1 0 0 0 ... 8 18 28272 sdb2 0 0 0 ... 8 32 7211520 sdc 1 3 8 ... 8 33 7181087 sdc1 0 0 0 ... 8 34 28272 sdc2 0 0 0 ... 8 48 7211520 sdd 1 3 8 ... 8 49 7181087 sdd1 0 0 0 ... 8 50 28272 sdd2 0 0 0 ... 8 64 7211520 sde 1 3 8 ... 8 65 7181087 sde1 0 0 0 ... 8 66 28272 sde2 0 0 0 ... 8 80 7211520 sdf 1 3 8 ... 8 81 7173022 sdf1 0 0 0 ... 8 82 32130 sdf2 0 0 0 ... 8 96 7211520 sdg 1 3 8 ... 8 97 7173022 sdg1 0 0 0 ... 104 0 17776560 cciss/c0d0 168200 352184 4166792... 104 1 257024 cciss/c0d0p1 1 3 8 ... 104 2 1048560 cciss/c0d0p2 2 3 16 ... 104 3 16470960 cciss/c0d0p3 168193 352166 4166736... In the previous example, the "sd" devices represent the XP disk partitions and the "cciss" devices represent the internal hard drive partitions on an HP Proliant system. Configuring disk array devices Disks in the disk array are configured using the same procedure for configuring any new disk on the host. This includes the following procedures: Configuring disk array devices 83

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1.
Power on the display of the Linux server.
2.
Power on all devices other than the Linux server.
3.
Confirm ready status of all devices.
4.
Power on the Linux server.
Verifying new device recognition
1.
Verify that the FCA driver is installed using the
lsmod
command.
2.
View the device information in the
/proc/scsi/scsi
file.
Example
#cat /proc/scsi/scsiAttached devices:
Host: scsi0 Channel: 00 Id: 00 Lun: 00
Vendor: HP
Model: OPEN-9
Rev: 2105
Type:
Direct-Access
ANSI SCSI revision: 02
Host: scsi0 Channel: 00 Id: 00 Lun: 01
Vendor: HP
Model: OPEN-9
Rev: 2105
Type:
Direct-Access
ANSI SCSI revision: 02
Host: scsi0 Channel: 00 Id: 00 Lun: 02
Vendor: HP
Model: OPEN-9
Rev: 2105
Type:
Direct-Access
ANSI SCSI revision: 02
Host: scsi0 Channel: 00 Id: 00 Lun: 03
Vendor: HP
Model: OPEN-9
Rev: 2105
Type:
Direct-Access
ANSI SCSI revision: 02
3.
Verify that the system recognizes the disk array partitions by viewing the
/proc/partitions
file.
Example
#cat /proc/partitions
major minor #blocks
name
rio
rmerge rsect
...
8
0
7211520
sda
1
3
8
...
8
1
7181087
sda1
0
0
0
...
8
2
28272
sda2
0
0
0
...
8
16
7211520
sdb
1
3
8
...
8
17
7181087
sdb1
0
0
0
...
8
18
28272
sdb2
0
0
0
...
8
32
7211520
sdc
1
3
8
...
8
33
7181087
sdc1
0
0
0
...
8
34
28272
sdc2
0
0
0
...
8
48
7211520
sdd
1
3
8
...
8
49
7181087
sdd1
0
0
0
...
8
50
28272
sdd2
0
0
0
...
8
64
7211520
sde
1
3
8
...
8
65
7181087
sde1
0
0
0
...
8
66
28272
sde2
0
0
0
...
8
80
7211520
sdf
1
3
8
...
8
81
7173022
sdf1
0
0
0
...
8
82
32130
sdf2
0
0
0
...
8
96
7211520
sdg
1
3
8
...
8
97
7173022
sdg1
0
0
0
...
104
0
17776560 cciss/c0d0
168200 352184 4166792...
104
1
257024
cciss/c0d0p1 1
3
8
...
104
2
1048560
cciss/c0d0p2 2
3
16
...
104
3
16470960 cciss/c0d0p3 168193 352166 4166736...
In the previous example, the “sd” devices represent the XP disk partitions and the “cciss”
devices represent the internal hard drive partitions on an HP Proliant system.
Configuring disk array devices
Disks in the disk array are configured using the same procedure for configuring any new disk on
the host. This includes the following procedures:
Configuring disk array devices
83