Re: Question on moving Online from one machine to another
Posted in 1998
In article <1zokrkst.fsf@srem.cisco.com>,
Super-User <gaich@cisco.com> wrote:
>
>
> I'd like to copy On-Line 7.24 from one Solaris machine ( 2.5.1 )
> to another ( 2.6 ). I created an archive on the old machine
> using ontape -s -L 0. I created an instance on the new machine
> where all the chunks have the same name ( and are bigger then the
> original chunks ) and all the other parameters are the same.
> When I try the restore I get for rootdbs
>
> Spaces to restore:1 [rootdbs ]
> Physical restore failed - Cannot warm restore ROOT DBspace
>
> or for data dbspace
>
> Spaces to restore:1 [ifmxdb1 ]
> Physical restore failed - Bad log file configuration for log 1.
>
> So, what am I missing here?
> Thanks much
>
The clue seems to be in "Cannot warm restore ROOt DBspace". You have to do a
cold restore -- instance offline -- in order to restore your critical
dbspaces. Also, not only do your chunks need to be the same name, but need
to have the same offsets assigned to them (see your onstad -d output on the
original instance). One thing to remember -- if you do a cold restore, you'll
have to restore logs if your db is logged, or chunks will remain inconsistent
and informix will have to dial in. maybe do a level 0 on the original db not
logged, and restore on separate box that way.
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