RE: Multiple File backup
Posted in 2003
Francisco Roldan inquired -
>
> How would you restore from the
> Compressed file using a named pipe?
compress -d compressed_ontape_file.Z > ontape_pipe &
ontape -r ( assuming ontape_pipe is still your TAPEDEV )
Or you can omit the & and do it sequentially if you have the disk space
Colin B
c.bull@videonetworks.com
>
> -----Mensaje original-----
> De: Colin Bull [mailto:c.bull@videonetworks.com]
> Enviado el: Viernes, 22 de Agosto de 2003 05:37 a.m.
> Para: informix-list@iiug.org; 'Jack A'
> Asunto: RE: Multiple File backup
>
>
>
>
> Jack A wrote
> >
> >
> > I have 6GB in 2 file systems say /a and /b. I need to back up
> > to disk. How
> > do i back up a 5G instance to split across the filesystems ?
> > It probably
> > goes something like this ...
> >
> The following has been tested on 9.4 FC2 and Tru64 5.1A
>
> touch /fs1/tape1.dat /fs2/tape2.dat
> chmod 660 /fs1/tape1.dat /fs2/tape2.dat
> ln -s -f /fs1/tape1.dat TAPEBACK
> Set up TAPEDEV in onmonitor to TAPEBACK with size 3000000
> (3GB) ontape -s
> When prompted for second tape, in another window
> ln -s -f /fs2/tape2.dat TAPEBACK
>
> Of course better than this is Rob Verbroker's --
>
> mknod ontape_pipe p (Set TAPEDEV in onconfig file to this value)
> touch compressed_ontape_file.Z
> chmod 660 ontape_pipe compressed_ontape_file.Z
> compress < ontape_pipe > compressed_ontape_file.Z &
> echo '0\\n\\n' | ontape -s
>
> This takes my tested 1.6GB instance to 266MB.
>
> Colin Bull
> c.bull@videonetworks.com
>
>
> sending to informix-list
> sending to informix-list
>
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