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IDS Forum

Re: HDR Secondary - backup question

Posted By: Fernando Nunes
Date: Wednesday, 9 September 2015, at 6:13 p.m.

In Response To: Re: HDR Secondary - backup question (Art Kagel)

I believe the fundamental issue is the fact that the backup needs to write
data (or a lot of metadata)... I don't see an alternative without changing
radically the page format... Which cannot be done lightly. Also note that
there are already a few reasons to do only level zeros.... so maybe if this
is assumed as a limitation... an onbar backup that doesn't change the
timestamps...
Also consider that there are other architects much more involded in the BAR
policies which are still active and maybe they can share more insights on
this.... ;)
On Sep 9, 2015 11:05 PM, "Art Kagel" <art.kagel@gmail.com> wrote:

> Yes, but an external back up is a file/device level backup. What is wanted
> is the ability to use ontape/onbar.
>
> I know that Madison was against this, but frankly Madison's retired so we
> get a new prospective on the problem. Perhaps someone else will see a way
> to do this.
>
> Art
>
> Art S. Kagel, President and Principal Consultant
> ASK Database Management
> www.askdbmgt.com
>
> Blog: http://informix-myview.blogspot.com/
>
> Disclaimer: Please keep in mind that my own opinions are my own opinions
> and do not reflect on the IIUG, nor any other organization with which I am
> associated either explicitly, implicitly, or by inference. Neither do
> those opinions reflect those of other individuals affiliated with any
> entity with which I am affiliated nor those of the entities themselves.
>
> On Wed, Sep 9, 2015 at 4:36 PM, Fernando Nunes <domusonline@gmail.com>
> wrote:
>
> > I believe that's a duplicate. Note that RSS can do external backups.
> That's
> > 'level 0' only... but that's an option...
> > On Sep 9, 2015 10:32 PM, "LARRY SORENSEN" <lsorensen25@msn.com> wrote:
> >
> > > I have created an RFE: #76777 - "Enable HDR Secondary to perform
> > > archives". I
> > > encourage all interested parties to log in and vote for this
> enhancement.
> > >
> > > Larry
> > >
> > > > To: ids@iiug.org
> > > > From: art.kagel@gmail.com
> > > > Subject: Re: HDR Secondary - backup question [35772]
> > > > Date: Wed, 9 Sep 2015 17:02:05 -0400
> > > >
> > > > You cannot change a server from "standard" mode to "secondary" or
> "RSS"
> > > > mode. If you convert the secondary to standard so you can archive it,
> > you
> > > > will have to restore the secondary from the actual primary in order
> to
> > > > reestablish it as a secondary.
> > > >
> > > > I suggest that you go to the IBM RFE (Request For Enhancement) site
> and
> > > > request an enhancement to be able to place a secondary into a mode
> that
> > > > would allow an archive to be taken from it without breaking
> > replication.
> > > > The site is:
> > > >
> > > >
> > >
> >
> https://www.ibm.com/developerworks/rfe/execute?use_case=changeRequestLanding
> > > >
> > > > Once you've done that you can post the RFE number here and ask us to
> > vote
> > > > for your request!
> > > >
> > > > Art
> > > >
> > > > Art S. Kagel, President and Principal Consultant
> > > > ASK Database Management
> > > > www.askdbmgt.com
> > > >
> > > > Blog: http://informix-myview.blogspot.com/
> > > >
> > > > Disclaimer: Please keep in mind that my own opinions are my own
> > opinions
> > > > and do not reflect on the IIUG, nor any other organization with
> which I
> > > am
> > > > associated either explicitly, implicitly, or by inference. Neither do
> > > > those opinions reflect those of other individuals affiliated with any
> > > > entity with which I am affiliated nor those of the entities
> themselves.
> > > >
> > > > On Wed, Sep 9, 2015 at 3:55 PM, LARRY SORENSEN <lsorensen25@msn.com>
> > > wrote:
> > > >
> > > > > Solaris 10
> > > > > IDS 11.50.FC6
> > > > >
> > > > > Is it possible to take an "ontape" backup of a secondary server
> while
> > > > > replicating, or do I need to change the secondary server to
> > "Standard"
> > > > > mode to
> > > > > back it up? If I have to change it to "standard", will I be able to
> > > change
> > > > > it
> > > > > back to secondary without reloading it; or will the backup change
> > > > > something to
> > > > > make it inconsistent? (There are plenty of logs to accomodate the
> > > > > downtime, so
> > > > > that should not be an issue.)
> > > > >
> > > > > Thank you.
> > > > >
> > > > > Larry
> > > > >
> > > > >
> > > > >
> > > > >
> > > >
> > >
> > >
> >
> >
>
> *******************************************************************************
> > > > > Forum Note: Use "Reply" to post a response in the discussion forum.
> > > > >
> > > > >
> > > >
> > > > --089e01176cad6b2458051f56cb27
> > > >
> > > >
> > > >
> > >
> > >
> >
> >
>
> *******************************************************************************
> > > > Forum Note: Use "Reply" to post a response in the discussion forum.
> > > >
> > >
> > >
> > >
> > >
> >
> >
>
> *******************************************************************************
> > > Forum Note: Use "Reply" to post a response in the discussion forum.
> > >
> > >
> >
> > --001a113ff69cea2ceb051f5744e9
> >
> >
> >
> >
>
> *******************************************************************************
> > Forum Note: Use "Reply" to post a response in the discussion forum.
> >
> >
>
> --089e01161cc82182da051f57acbd
>
>
>
> *******************************************************************************
> Forum Note: Use "Reply" to post a response in the discussion forum.
>
>

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