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Solaris DiskSuite, boot from detached disk

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Operating Systems Solaris Solaris DiskSuite, boot from detached disk
# 1  
Old 08-23-2007
Solaris DiskSuite, boot from detached disk
Hi,

I am running Solaris 8 on Sun server with 2 hard drives. I have configured mirroring on the system using DiskSuite tool in order to have the same data on both disks. Now I want to perform some software upgrade and I would like to use the second disk as a backup disk. This means taking this disk out of the system, performing the upgrade on disk one and after that trying to boot from disk 2 in case that something with the upgrade fails.

I donīt know which is exactly the procedure to do this. I have tried removing submirrors (metadetach and metaclear) and state databases from disk 2 and editing vfstab file, but when trying to boot from disk 2 it doesnīt work. Is this the right procedure? Has anyone faced such a problem before?

BR
Carlos
# 2  
Old 08-23-2007
Please provide us more information about the failure that happen if you boot from the second disk!

One common mistake is to forget that the second disk must have a boot sector.
man installboot
Example:
installboot /usr/platform/sun4u/lib/fs/ufs/bootblk /dev/rdsk/c0t1d0s0

Searching the forum I can find:
Cloned drive won't boot ?


Best regards
joerg
# 3  
Old 08-24-2007
I finally could solve the problem. The boot sector was already installed, I forgot to mention it on the explanation. The problem was with the /etc/system file of the second disk. There were still some references to metadatabases, so I had to comment them out and after that the disk booted fine. Smilie

BR
Carlos
# 4  
Old 12-21-2007
Quote:
Originally Posted by carlossg
I finally could solve the problem. The boot sector was already installed, I forgot to mention it on the explanation. The problem was with the /etc/system file of the second disk. There were still some references to metadatabases, so I had to comment them out and after that the disk booted fine. Smilie

BR
Carlos
I have same issue ,can show your steps?
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