Re: Recovery using RAW devices

In article <D9556B.LtG_at_nntpa.cb.att.com>

           lou2_at_cbnews.cb.att.com "louis.avrami..jr" writes:

> In article <3q03sa$5k2_at_hpcc48.corp.hp.com>,
> Contractor - Yuktton "Jonny" Chan <jychan_at_corp.hp.com> wrote:
> >Jean-Francois Denis (jean-francois.denis_at_s1.bru1.sni.be) wrote:
> >
> >: We are using Oracle 7.0.15 DBMS on a UNIX machine. For performance reason,
 we
> >: will use RAW devices instead of UNIX files.
> >: We worry about the recovery after an Oracle crash when using RAW devices.
 

> >: Could you give us any hint or mention the problems you met using RAW devices.> >
> >: Thank you for your help.
 

> >: Jean-Francois DENIS (jean-francois.denis_at_s1.bru1.sni.be)
> >: Siemens-Nixdorf Belgium
> >
> >we implemented an Oracle DB using raw devices on a Sequent and have performed
> >complete db recovery twice from a hot backup without any problems. we use
> >are a backup package solution from Alexandria to do the backups.
> >
> >Johnny Chan
> >Indepedent Oracle Specialist
>
> Most versions of UNIX now have "volcopy" or something similar. It copies
> raw devices to tape much faster than other UNIX archiving utilities such
> as cpio or tar.
>
> Lou Avrami ( attmail!lavrami )
>

Sequent supply 'ptx/Backup' which will backup an Oracle DB hot/cold with UFS/RAW/Mixed files.

You just tell it which database and it will enquire on the database to find out where all the data is.

Regards
Donald Campbell [ SueDon Ltd - UNIX and Database Specialists ] Received on Fri May 26 1995 - 00:00:00 CEST