Jim C. Nasby decibel at decibel.org
Wed Mar 21 14:00:43 PDT 2007
AFAIK the tool only handles 8.1-8.2 right now. It also won't
automatically handle any tables that would need the physical files
re-written; in 8.1-8.2 that means any tables that have any internet
address data types (inet, etc).

On Wed, Mar 21, 2007 at 10:15:43AM -0700, Tomeh, Husam wrote:
> Good to know that such tool is available now. Hopefully it'll be
> integrated to the core distribution of postgres. 
> Is the tool capable of migrating earlier version such as 7.4.5 and 8.0
> to the latest ?
>  
> Thanks,
>  
> --
>  Husam
> 
> ________________________________
> 
> From: slony1-general-bounces at lists.slony.info
> [mailto:slony1-general-bounces at lists.slony.info] On Behalf Of Shoaib Mir
> Sent: Wednesday, March 21, 2007 8:25 AM
> To: Warren Little
> Cc: slony1-general at lists.slony.info
> Subject: Re: [Slony1-general] using slony to migrate large database from
> pg8.1 to pg8.2
> 
> 
> In order to do the same you can use pg_migrator
> (http://pgfoundry.org/projects/pg-migrator/) as well. It will take a LOT
> less time then normal backup/restore. 
> 
> --
> Shoaib Mir
> EnterpriseDB (www.enterprisedb.com)
> 
> 
> On 3/21/07, Warren Little < warren.little at meridiascapital.com
> <mailto:warren.little at meridiascapital.com> > wrote: 
> 
> 	Hello,
> 	I need to get data migrated from a pg8.1 cluster to a pg8.2
> cluster and was wondering how well slony will accomplish this task.
> 	The database size is about 250GB, so doing a dump and restore
> will take longer than the maintenance window for system downtime. 
> 	I have read several posts on the postgres mailing lists that
> people recommend using slony to do major version upgrades, so I thought
> to give it a try.
> 	One of the concerns I have is regarding the limitation that
> slony does not support large objects, is this referring to the postgres
> LargeObject type? 
> 	ie are bytea fields of significant size replicated?
> 
> 	Also, is there a guide to configuring Slony-I on an active
> system, or is the procedure the same (aside for the standard "backup all
> data before you begin")  
> 
> 	thanks
> 	
> 	
> 	
> 	Warren Little
> 	Chief Technology Officer
> 	Meridias Capital Inc
> 	ph 866.369.7763
> 
> 
> 
> 
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> 
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-- 
Jim C. Nasby, Database Architect                decibel at decibel.org 
Give your computer some brain candy! www.distributed.net Team #1828

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