Re: inquiry concerning tar maximum archive size

[grenoml]

Paul,
  Well, it doesn't appear to be tar or ext3.  I ran a manual test and
everything works fine with the resulting archive coming in at just over
4GB.  A little while back we were beginning to run out of space for
backups so we decided to put some of the backups on a W2K server
through a SAMBA mount.  Totally forgot about this.  In digging into the
problem I found that the machine where the backup problem was occurring
was one of the machines that was redirected via a smbmount.  So it
appears that the problem is either a W2K filesystem limit or a SAMBA
problem.  No matter, we're decommissioning all of our remaining Windows
machines in a couple weeks and this will cease to be a problem for us. 
Sorry for the confusion.

rgds,
Gerry Reno

--- grenoml <address@hidden> wrote:
> Paul,
>   Thanks for the reply.
> 
>   I'm using the ext3 journaled file system under RedHat and I'm not
> aware of any low file size limitations with ext3.
> 
>  The target filesystem has plenty of space for storage.
> 
>  The filesystem in question (/usr) now has about 11.4G used that is
> being archived.  It is the largest of all the filesystems.  There is
> no
> single file within the filesystem that is larger than 8GB.
> 
>   Most of the resulting compressed filesystem archives come in at
> under
> 2GB for filesystems that are all under 8GB of used capacity except
> for
> the filesystem which is having the problem.
> 
>  RedHat provides tar via rpm but I have no idea how it was compiled.
> 
>  I'm also going to post an inquiry to the redhat list regarding the
> issue.
>  
> thx,
> Gerry Reno
> 
> --- Paul Eggert <address@hidden> wrote:
> > grenoml <address@hidden> writes:
> > 
> > > is there some internal limitation in tar as to the maximum size
> of
> > > an archive?
> > 
> > Portable tar format has an 8 GiB limit.  1.13.25, if compiled
> > correctly, should have a limit so large that you shouldn't run into
> > it
> > (2**95, if I recall correctly), though it uses a format that is not
> > standard if your archive contains a file that is 8 GiB or larger.
> > 
> > Possibly the limit is associated with your filesystem rather than
> > with
> > tar.  Or it's possible that your tar wasn't built correctly.
> 
> 
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