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Solaris alternate boot disk test...

I recently added a SCSI III disk and controller to our Sparc4 servers. I created a backup root partition on the new disk and restored "/" from a ufsdump and made the partition
bootable with installboot.
At the OK prompt,
I used: OK nvalias bkroot /iommu@0,10000000/sbus@0,10001000/QLGC,isp@0,1000
When I try: OK boot bkroot, the system returns the following errors:

can't find boot device

Where should I get the path for the device (/dev/rdsk/c1t3d0s0)?

1 Solution
The device string you've already got looks OK. To check it again, go to /dev/rdsk and find the link called c1t3d0s0. Copy down exactly the string which this file is linked to. You may have mis-typed something.

Also :
Try entering boot /iommu@(rest of device string) at the ok> prompt - if this works OK something is wrong with the alias.

You didn't say whether you were using mirroring to synchronise this disk with the real boot disk. If not, you may have problems once you actually try and boot from it if your real boot disk goes down. Any devices, host entries, printers, users etc. etc. you have added since you installed the second boot disk won't be there. Just something to bear in mind.
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