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Re: Cluster backup ideas



fixed

Chris,

It drove me crazy when that happened to me, and it happened to one of the 
people who sign the checks.  You are right about the date stamp, but for 
the life of me I kept having the db's sync to the previous state.  I just 
disabled replication and was able to move ahead. 

I am sure you have seen strange stuff happen that doesn't make sense.

I agree with the logic and implemented a similiar setup except I used a 
cross over cable to perform the cluster replication.  Really cut down on 
network traffic.

Rich Frye
Software Consulting Hardware, Inc.
(877) 936-9829 (Office)
(513) 936-0128 (Fax)
Rich.Frye@xxxxxxxxx
IBM Certified System Administrator - Lotus Notes and Domino 6/6.5




Chris Whisonant <Chris.Whisonant@xxxxxxxxxxxxx> 
Sent by: domino400-bounces+rich.frye=sch-i.com@xxxxxxxxxxxx
08/17/2005 09:36 AM
Please respond to
Lotus Domino on the iSeries / AS400 <domino400@xxxxxxxxxxxx>


To
Lotus Domino on the iSeries / AS400 <domino400@xxxxxxxxxxxx>
cc

Subject
Re: Cluster backup ideas






Richard, yeah, I was kind of thinking about that in the back of my 
mind....

In theory, it should see the production replica as the more recently 
changed and sync with it, right? But stranger things have happened!

Chris Whisonant
Comporium
Senior Mid-Range Systems Administrator
IBM eServer Certified Systems Expert - iSeries Technical Solutions V5R2
IBM Certified System Administrator - Lotus Notes and Domino 6/6.5
803.326.7270 | 803.326.6142 fax
http://cwhisonant.blogspot.com/

domino400-bounces+chris.whisonant=comporium.com@xxxxxxxxxxxx wrote on 
08/17/2005 09:21:39 AM:

> Be careful when and where you restore databases with replica ID's.  I 
have 
> had instances where the system located the restored database and sync'd 
> them, not with good resultes.
> 
> Richard A. Frye
> Software Consulting Hardware, Inc.
> (877) 936-9829 (Office)
> (513) 936-0128 (Fax)
> Rich.Frye@xxxxxxxxx
> IBM Certified System Administrator - Lotus Notes and Domino 6/6.5
> 
> 
> 
> 
> ChadB@xxxxxxxxxxxxxxxxxxxx 
> Sent by: domino400-bounces+rich.frye=sch-i.com@xxxxxxxxxxxx
> 08/17/2005 09:21 AM
> Please respond to
> Lotus Domino on the iSeries / AS400 <domino400@xxxxxxxxxxxx>
> 
> 
> To
> Lotus Domino on the iSeries / AS400 <domino400@xxxxxxxxxxxx>
> cc
> 
> Subject
> Re: Cluster backup ideas
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> Gotcha... restore the DBs to the backup server from the main server's 
save
> (same replica ids), right?  That would be another option, I guess...
> 
> When we do a monthly test, we leave the main server down for a day and
> generally see things replicate back pretty quickly... I just want make 
> sure
> this would hold true after a restore from an earlier backup.
> 
> 
> 
>              Chris Whisonant 
>              <Chris.Whisonant@ 
>              comporium.com> To 
> 
>              Sent by:                  Lotus Domino on the iSeries / 
AS400 
> 
>              domino400-bounces         <domino400@xxxxxxxxxxxx> 
>              +chadb=wheeling-n cc 
> 
>              isshin.com@midran 
>              ge.com Subject 
> 
>                                        Re: Cluster backup ideas 
> 
>              08/17/2005 09:08 
>              AM 
> 
> 
>              Please respond to 
>               Lotus Domino on 
>                the iSeries / 
>                    AS400 
>              <domino400@midran 
>                   ge.com> 
> 
> 
> 
> 
> 
> 
> I was thinking you could restore what you needed to the backup from the
> primary that's saved nightly.
> 
> The analysis tools checks for replica existence, consistent ACL, etc...
> 
> Chris Whisonant
> Comporium
> Senior Mid-Range Systems Administrator
> IBM eServer Certified Systems Expert - iSeries Technical Solutions V5R2
> IBM Certified System Administrator - Lotus Notes and Domino 6/6.5
> 803.326.7270 | 803.326.6142 fax
> http://cwhisonant.blogspot.com/
> 
> domino400-bounces+chris.whisonant=comporium.com@xxxxxxxxxxxx wrote on
> 08/17/2005 09:06:01 AM:
> 
> >
> >
> >
> >
> >
> > Agreed, but the backup server isn't getting the IFS saved nighly.
> >
> > Refresh me on what the cluster analysis tool does... I think I ran it
> when
> > setting things up initially...
> >
> >              Chris Whisonant
> >              <Chris.Whisonant@
> >              comporium.com> To
> >              Sent by:                  Lotus Domino on the iSeries /
> AS400
> >              domino400-bounces         <domino400@xxxxxxxxxxxx>
> >              +chadb=wheeling-n cc
> >              isshin.com@midran
> >              ge.com Subject
> >                                        Re: Cluster backup ideas
> >
> >              08/17/2005 08:58
> >              AM
> >
> >
> >              Please respond to
> >               Lotus Domino on
> >                the iSeries /
> >                    AS400
> >              <domino400@midran
> >                   ge.com>
> >
> >
> >
> >
> >
> >
> > That sounds pretty good, though it may be better to restore from the
> > nightly IFS saves (IMHO).
> >
> > Just also wondering if you have run the Cluster Analysis tool?
> >
> > Chris Whisonant
> > Comporium
> > Senior Mid-Range Systems Administrator
> > IBM eServer Certified Systems Expert - iSeries Technical Solutions 
V5R2
> > IBM Certified System Administrator - Lotus Notes and Domino 6/6.5
> > 803.326.7270 | 803.326.6142 fax
> > http://cwhisonant.blogspot.com/
> >
> > domino400-bounces+chris.whisonant=comporium.com@xxxxxxxxxxxx wrote on
> > 08/17/2005 08:58:05 AM:
> >
> > >
> > >
> > >
> > >
> > >
> > > We are running a cluster with 2 Domino servers on 2 separate 
AS/400s.
> > One
> > > Domino server is our 'main' server and is used for mail and a few
> apps.
> > > The other Domino server is our 'backup' server and is left as
> restricted
> > to
> > > the users unless we are switched to it on a monthly test, etc.  All
> mail
> > > and application databases are replicated in the cluster. 
Configuration
> > > changes for the servers are VERY rare.
> > >
> > >
> > > Our current backup strategy is:
> > >
> > > -Both AS/400s are saved with an Option 21 full system backup once 
per
> > month
> > >
> > > -The main Domino server is shut down each night and saved with a SAV
> > > command against the entire IFS (we check the results and are only
> > missing
> > > some Websphere logs, etc.  In other words, Domino is getting saved
> > fully).
> > >
> > > -The backup Domino server runs continually and is not backed up on a
> > daily
> > > basis.
> > >
> > >
> > >
> > > Now that we're up and running well on this cluster and switchovers 
are
> > > working well, I want to verify that this scenario should work well
> > enough.
> > > We are very comfortable with being able to restore the main Domino
> > server
> > > from the nightly backup.  We are thinking that we would restore the
> > backup
> > > Domino server from the monthly Option 21 and let the cluster get
> things
> > > repopulated in the backup Domino server's databases.
> > >
> > > Is this a valid strategy?
> > >
> > >
> >
> 
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