ITEM: AJ9035L

Can I boot from a RAID device if hdisk0 fails?

Question:

Env:    3.2.5; machine 7015 model 980; RAID device

Desc:   Customer wants to know if she can put a RAID device in rootvg
        and mirror onto it.  Will the machine boot from the RAID device
        if hdisk0 fails?

Action: Only the 7137 Disk Array is supported as a boot device and it 
        has specific conditions that must be met in order for it to be 
        a boot device.

7137:
  o   The 7137 can be used as a boot device only, if using one of the 
      following feature codes:                                                            
                                                                                
      -   \#2420 SCSI High Performance External I/O Controller and 
          RS/6000 Mod 590 or newer and AIX 4.1 or higher.                                   
      -   \#2416 SCSI Differential Fast/Wide Adapter/A and AIX 4.1 or 
          higher.    
      -   \#2412 Enhanced SCSI Differential Fast/Wide Adapter/A and 
          AIX 4.1 or higher.                                                               

7135: 
      -   The 7135 cannot be a boot device.

3514:
      -   The 3514 cannot be a boot device.  

Other vendors that provide RAID boxes may also support this, but 
they would be responsible for the support.                        

Next:   Close



Support Line: Can I boot from a RAID device if hdisk0 fails? ITEM: AJ9035L

Dated: July 1995 Category: N/A

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