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Re: [PATCHES] Fix for large file support (nonsegmentmode support)

From: Kenneth Marshall <ktm(at)rice(dot)edu>
To: Martijn van Oosterhout <kleptog(at)svana(dot)org>
Cc: Peter Eisentraut <peter_e(at)gmx(dot)net>, pgsql-patches(at)postgresql(dot)org,Zdenek Kotala <Zdenek(dot)Kotala(at)sun(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>,Zeugswetter Andreas OSB SD <Andreas(dot)Zeugswetter(at)s-itsolutions(dot)at>,Andrew Dunstan <andrew(at)dunslane(dot)net>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: [PATCHES] Fix for large file support (nonsegmentmode support)
Date: 2008-03-19 12:25:15
Message-ID: 20080319122515.GC23158@it.is.rice.edu (view raw or flat)
Thread:
Lists: pgsql-hackerspgsql-patches
On Wed, Mar 19, 2008 at 10:51:12AM +0100, Martijn van Oosterhout wrote:
> On Wed, Mar 19, 2008 at 09:38:12AM +0100, Peter Eisentraut wrote:
> > Another factor I just thought of is that tar, commonly used as part of a 
> > backup procedure, can on some systems only handle files up to 8 GB in size.  
> > There are supposed to be newer formats that can avoid that restriction, but 
> > it's not clear how widely available these are and what the incantation is to 
> > get at them.  Of course we don't use tar directly, but if we ever make large 
> > segments the default, we ought to provide some clear advice for the user on 
> > how to make their backups.
> 
> By my reading, GNU tar handles larger files and no-one else (not even a
> POSIX standard tar) can...
> 
> Have a nice day,
> -- 
> Martijn van Oosterhout   <kleptog(at)svana(dot)org>   http://svana.org/kleptog/
> > Please line up in a tree and maintain the heap invariant while 
> > boarding. Thank you for flying nlogn airlines.

The star program written by Joerg Schilling is a very well written
POSIX compatible tar program that can easily handle files larger than
8GB. It is another backup option.

Cheers,
Ken

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