True - but with tempfiles that is just about
instantaneous anyway.
Cheers
Connor
- Glenn Travis <Glenn.Travis_at_sas.com> wrote: > FYI:
This will not work with TEMP tablespaces which
> are locally managed. You must drop the tablespace
> and recreate it with the new filename. Check
> Metalink - it is documented that temporary datafiles
> (tempfiles) cannot be renamed.
>
> > -----Original Message-----
> > From: Jeremiah Wilton
> [mailto:jwilton_at_speakeasy.net]
> > Sent: Thursday, October 25, 2001 11:40 AM
> > To: Multiple recipients of list ORACLE-L
> > Subject: Re: Move tablespace with no downtime?
> >
> >
> > Here's a trick I like to reduce the downtime
> associated with moving
> > large datafiles:
> >
> > 1. Place the tablespace that contains the file(s)
> you want to move
> > into backup mode:
> > - alter tablespace <name> begin backup;
> >
> > 2. Copy the file(s):
> > - cp <oldfilespec> <newfilespec>
> > - If you are moving multiple files, you can do
> this in parallel
> >
> > 3. Take the tablespace out of backup mode:
> > - alter tablespace <name> end backup;
> >
> > 4. (Now the very brief downtile begins)
> > Take the tablespace offline immediate
> > - alter tablespace <name> offline immediate;
> >
> > 5. Issue the rename:
> > - alter database rename file <oldfilespec> to
> <newfilespec>;
> >
> > 6. Recover the new file(s) or the whole tablespace
> (should be quite
> > brief)
> > - recover [datafile|tablespace] <name>;
> >
> > 7. (Now the very brief downtime ends)
> > Bring the tablespace online again:
> > - alter tablespace <name> online;
> >
> > --
> > Jeremiah Wilton
> > http://www.speakeasy.net/~jwilton
> >
> > On Thu, 25 Oct 2001, Rachel Carmichael wrote:
> >
> > > depends on what you mean by downtime.
> > >
> > > yes you can do it without taking down the
> database and the instance,
> > > no, you can't do it without at least taking the
> tablespace offline.
> > >
> > > alter tablespace x offline;
> > > in os, make a copy of all datafiles in the new
> location
> > > alter database move file 'y' to 'z';
> > > <repeat for all datafiles>
> > > alter tablespace online;
> > >
> > >
> > > --- Greg Moore <sqlgreg_at_pacbell.net> wrote:
> > > > Can I move a tablespace and all it's
> associated datafiles to a new
> > > > disk
> > > > device with no downtime?
> > > >
> > > > --
> > > > Please see the official ORACLE-L FAQ:
> http://www.orafaq.com
> > > > --
> > > > Author: Greg Moore
> > > > INET: sqlgreg_at_pacbell.net
> > > >
> > > > Fat City Network Services -- (858) 538-5051
> FAX:
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> > > Please see the official ORACLE-L FAQ:
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> > > Fat City Network Services -- (858) 538-5051
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> > > the message BODY, include a line containing:
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> > > (or the name of mailing list you want to be
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> >
> >
> > --
> > Please see the official ORACLE-L FAQ:
> http://www.orafaq.com
> > --
> > Author: Jeremiah Wilton
> > INET: jwilton_at_speakeasy.net
> >
> > Fat City Network Services -- (858) 538-5051
> FAX: (858) 538-5051
> > San Diego, California -- Public Internet
> access / Mailing Lists
> >
>
> > To REMOVE yourself from this mailing list, send an
> E-Mail message
> > to: ListGuru_at_fatcity.com (note EXACT spelling of
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> --
> Please see the official ORACLE-L FAQ:
> http://www.orafaq.com
> --
> Author: Glenn Travis
> INET: Glenn.Travis_at_sas.com
>
> Fat City Network Services -- (858) 538-5051 FAX:
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Connor McDonald
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"Some days you're the pigeon, some days you're the statue"
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Please see the official ORACLE-L FAQ: http://www.orafaq.com
--
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Received on Thu Oct 25 2001 - 15:31:26 CDT
