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IDS Forum

Re: Data migration Brainstorm.

Posted By: Art Kagel
Date: Thursday, 28 January 2010, at 7:37 a.m.

In Response To: RE: Data migration Brainstorm. (Lello, Nick)

To make that easier, you can also use my myexport/myimport package which
uses sqlunload & sql reload or optionally uses HPLoader (via Ravi Krishna's
myonpload utility) to emulate dbexport/dbimport but faster.

Art

Art S. Kagel
Advanced DataTools (www.advancedatatools.com)
IIUG Board of Directors (art@iiug.org)

See you at the 2010 IIUG Informix Conference
April 25-28, 2010
Overland Park (Kansas City), KS
www.iiug.org/conf

Disclaimer: Please keep in mind that my own opinions are my own opinions and
do not reflect on my employer, Advanced DataTools, the IIUG, nor any other
organization with which I am associated either explicitly, implicitly, or by
inference. Neither do those opinions reflect those of other individuals
affiliated with any entity with which I am affiliated nor those of the
entities themselves.

On Thu, Jan 28, 2010 at 4:53 AM, Lello, Nick <Nick.Lello@nielsen.com> wrote:

> In a similar vein, I have found a combination of sqlunload & sqlreload
> (from the IIUG sqlcmd package) works really well:-
>
> On New machine:-
>
> Ssh -C <old machine> "sqlunload -d DB -t TBL" | sqlreload -d DB -t
> TBL
>
> (The -C to ssh makes the network connection transparently
> compress/decompress data).
>
> -----Original Message-----
> From: ids-bounces@iiug.org [mailto:ids-bounces@iiug.org] On Behalf Of
> Keith Simmons
> Sent: 28 January 2010 08:53
> To: ids@iiug.org
> Subject: Re: Data migration Brainstorm. [18821]
>
> On 27 January 2010 16:46, Knox, Ernest <Ernest.Knox@searshc.com> wrote:
> > We are upgrading our Servers, OS and version of Informix from 7.30,
> > 7.31, 9.21, 9.30, and 9.40 to version 11.50.
> >
> > My brainstorming question(s) to the group is:
> >
> > What is the quickest way to migrate between 1 gig to 300 gig of data?
> >
> > Since I can't use a backup and restore from different versions (I
> don't
> > believe) and one or two databases do not have logging turned on, so
> > replication is basically out.
> >
> > Would HPL, manual scripts (dbexport and dbimport), or a third party
> > product do the trick.
> >
> > Please, your thoughts and suggestions are very helpful.
> >
> > Thanks,
> >
> > *******************************************************************
> >
> > Ernie Knox
> >
> > IT Database Administrator Specialist
> >
> > Sears Holdings
> >
> > 3333 Beverly Rd., B4-266A
> >
> > Hoffman Estates, IL. 60179
> >
> > Office: (847) 286-5735
> >
> > Email: Ernest.Knox@searshc.com
> >
> > Blackberry: 2244650553@messaging.sprintpcs.com
> > <mailto:2244650553@messaging.sprintpcs.com>
> >
> > Page via Skytel: 2244650553@sprint.skytel.com
> > <mailto:2244650553@sprint.skytel.com>
> >
> > Informix or MySQL Primary: 9110210@skytel.com
> > <mailto:9110210@skytel.com>
> >
> > Informix or MySQL Secondary: 7276872@skytel.com
> > <mailto:7276872@skytel.com>
> >
> > " Yes we can make a Change! "
> >
> > " It's always a great day to watch Sports - GO LIONS, TIGERS, and
> BEARS!
> > "
> >
> > " Lets not forget - GO Pistons and Red Wings! "
> >
> > GSU
> >
> > *******************************************************************
> >
> >
> >
> ************************************************************************
> *******
> > Forum Note: Use "Reply" to post a response in the discussion forum.
> >
> >
> Ernest
>
> If you're happy with current dbspace and data layout you could install
> your old IDS version on the new machine, archive old and restore to
> new and then in-place upgrade.
> Alternatively, to reorg data and get a cleaner start, I used named
> pipes on a new server. In dbaccess on new machine, unload to pipe
> select * from old table, at command line have a dbload running, load
> from pipe insert into new table. With 4 streams running simultaneously
> for larger tables and a single 'insert into new table select * from
> old table' for all tables less than 500,000 rows I shifted 500 G in
> around 8 hours.
>
> Keith
>
> ************************************************************************
> *******
> Forum Note: Use "Reply" to post a response in the discussion forum.
>
>
>
> *******************************************************************************
> Forum Note: Use "Reply" to post a response in the discussion forum.
>
>

--0023545bd0f0b9f9e2047e38c66e

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