Changing disk controller numbers

I have a T200 (Sun OS 10) with 2 disks, and I need to mirror the boot disk. Both disks are on the same controller. How do I change the controller on the 2nd disk?Thanks for any info.

[196 byte] By [atlsysadmina] at [2007-11-26 16:42:38]

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# 1

You'd have to physically move the disk to another controller if you want to do that.

You don't have to. Just mirror them as is. It leaves you vulnerable to a controller failure, but that should be rare. If that probability is too high, you can install another disk controller, place a disk behind it, and mirror to that device.

Darren

Darren_Dunhama at 2007-7-8 23:09:43 >

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# 2

Darren,Thanks for the info. Is there a command (other than format) that would tell me how many controllers that are on a server?

atlsysadmina at 2007-7-8 23:09:43 >

# 3

If you know what you're looking at, prtconf would probably show them./dev/cfg will have links to previously encountered disk controllers, but not all of them may exist any longer.

prtdiag will show installed options. But again, it's not going to specifically call out disk controllers as separate from any other I/O option.

Darren

Darren_Dunhama at 2007-7-8 23:09:43 >

# 4

Thanks Darren, I appreciate your help.

atlsysadmina at 2007-7-8 23:09:43 >

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Changing disk controller numbers

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