FW: Level-0 restore 
Author Message
 FW: Level-0 restore

Just for interests sake - I also tried  a restore the other day from a 32bit
version to a 64bit version - which failed.
The message I got back from  ontape actually stated that the versions are
incompatible.

Quote:
-----Original Message-----


Sent: Friday, October 12, 2001 4:06 PM
To: Simmons, Keith
Cc: Informix List
Subject: Re: Level-0 restore

Hi Keith

Incidentally I have just found out that the new machine is 64-bit, whereas
the old machine is 32-bit.
So the versions of Informix will be different on the two machines.
So I guess this means we will need to just do the dbexport/dbimport?

Keverne

----- Original Message -----


Sent: Friday, October 12, 2001 3:35 PM
Subject: FW: Re: Level-0 restore

> Let us try again !!!

> -----Original Message-----
> From: Simmons, Keith
> Sent: Friday, October 12, 2001 2:33 PM

> Subject: Re: Level-0 restore

> Kevene

> Provided both versions of Informix are identical and the machines are very
> similar (i.e. same maker, both 32 or 64 bit) not only is this feasible but
I
> have done it successfully. Just one question. Why bother with the
dbimport!
> Take the level 0 (ontape -s) on the old machine, install Informix on the
new
> machine and copy over the onconfig file (amend tape drives if required but
> keep block size and tape size the same!!) restore from archive to new
> machine (ontape -r) and off you go. If you haven't got the downtime to
> achieve this in one hit then keep logging going on the old machine while
the
> restore is taking place and then apply logs at the end of the restore to
> bring the database fully up to date.

> Keith Simmons
> Banner Business Supplies Limited
> Informix Certified Professional

> -----Original Message-----

> Sent: Friday, October 12, 2001 10:13 AM
> To: Informix List
> Subject: Level-0 restore

> Can I restore a level-0 archive that has been produced by one
> machine, onto another, as long as the configuration of dbspaces on both
> machines is the same?

> The new machine may have more chunks within the data dbspace, but
> otherwise identical.

> The user wants to do a dbimport onto a new machine, while the users
> continue to operate on the old machine, then once the dbimport is
complete,
> take a level-0 archive of the old and restore this on the new machine.

> Is this feasible?

> Keverne Howell

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Tue, 30 Mar 2004 23:07:52 GMT
 FW: Level-0 restore


Quote:

> Just for interests sake - I also tried  a restore the other day from a
32bit
> version to a 64bit version - which failed.
> The message I got back from  ontape actually stated that the versions are
> incompatible.

Indeed.  And, if the ontape program didn't check, can you guess what?  It
would work fine!

At one of our sites we start up a single database server interchangeably on
a 32-bit then a 64-bit machine with no problems whatsoever.

Strange but true!



Wed, 31 Mar 2004 04:58:12 GMT
 
 [ 2 post ] 

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