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raid [2010/09/15 21:04]
aorth
raid [2010/09/20 02:58] (current)
aorth
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 ==== Physical Disk Layout ==== ==== Physical Disk Layout ====
  
-We have one RAID controller, '​c1'​. ​ Disks are plugged into ports, 'p1' - '​p11'​. ​ The disks are then grouped into units (basically the rows), '​u0'​ - '​u2'​.+We have one RAID controller, '​c1'​. ​ Disks are plugged into ports, 'p0' - '​p11'​. ​ The disks are then grouped into units (basically the rows), '​u0'​ - '​u2'​.
  
 | Port 8 | Port 9 | Port 10 | Port 11 | | Port 8 | Port 9 | Port 10 | Port 11 |
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 ==== Repairing '​degraded'​ arrays ==== ==== Repairing '​degraded'​ arrays ====
  
-There is a utility, tw_cli, which can be used to control/​monitor the hardware raid controller.+There is a utility, ​''​tw_cli''​, which can be used to control/​monitor the hardware raid controller.
  
 Study the output of ''​show''​ to know which controller to manage. ​ Then you can use ''/​c1 show''​ to show the status of that particular controller. ​ Things to look for: Study the output of ''​show''​ to know which controller to manage. ​ Then you can use ''/​c1 show''​ to show the status of that particular controller. ​ Things to look for:
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 3w-9xxx: scsi1: AEN: ERROR (0x04:​0x0002):​ Degraded unit detected:​unit=0,​ port=3</​file>​ 3w-9xxx: scsi1: AEN: ERROR (0x04:​0x0002):​ Degraded unit detected:​unit=0,​ port=3</​file>​
  
-<​code>​$ sudo tw_cli ​+<​code>​$ sudo tw_cli
 Password: ​ Password: ​
 //​hpc-ilri>​ /c1 show //​hpc-ilri>​ /c1 show
raid.txt · Last modified: 2010/09/20 02:58 by aorth