[389-users] Directory Re-population
Rich Megginson
rmeggins at redhat.com
Tue Jun 22 18:43:45 UTC 2010
Chun Tat David Chu wrote:
> Another question about directory re-population.
>
> If I want to create a generic LDIF backup for a bunch of test
> directory servers, in the exported LDIF file, should I remove the
> following attributes? or it doesn't really matter?
> nsUniqueId: 795dca00-5fa011df-8de2866b-a65dc74a
> creatorsName:
> modifiersName: cn=directory manager
> createTimestamp: 20100514213428Z
> modifyTimestamp: 20100514213430Z
I don't think it matters. I suppose you might want to keep
createTimestamp and modifyTimestamp just for your own information.
>
> My LDIF backup will be imported back to the LDAP using ldif2db.pl
> <http://ldif2db.pl>.
>
> - David
>
> On Fri, Jun 18, 2010 at 4:40 PM, Chun Tat David Chu
> <beyonddc.storage at gmail.com <mailto:beyonddc.storage at gmail.com>> wrote:
>
> Thanks Rich, I'll give that a try.
>
>
> On Fri, Jun 18, 2010 at 4:20 PM, Rich Megginson
> <rmeggins at redhat.com <mailto:rmeggins at redhat.com>> wrote:
>
> Chun Tat David Chu wrote:
> > Hi Rich,
> >
> > Thanks for replying.
> >
> > Just making sure I'm using the right utility. To
> reinitialize the
> > directory, I use the ldif2db.pl <http://ldif2db.pl>
> <http://ldif2db.pl> Perl script right?
> Yes, if you need to restore _all_ servers from an LDIF backup.
> The
> reason I say _all_ is that when you do a restore from a "raw"
> LDIF file,
> this wipes out all of the replication state information and
> changelog
> information. This means you will have to use this server to
> re-init
> other masters and consumers - (I mean re-init in the sense of
> Initializing Consumers -
> http://www.redhat.com/docs/manuals/dir-server/8.1/admin/Managing_Replication-Initializing_Consumers.html)
>
> You can use db2ldif.pl <http://db2ldif.pl> -r to create an
> LDIF file suitable for offline
> replica init
> >
> > - David
> >
> > On Fri, Jun 18, 2010 at 3:58 PM, Rich Megginson
> <rmeggins at redhat.com <mailto:rmeggins at redhat.com>
> > <mailto:rmeggins at redhat.com <mailto:rmeggins at redhat.com>>>
> wrote:
> >
> > Chun Tat David Chu wrote:
> > > Hi all,
> > >
> > > I am hitting an issue with reinitializing the
> directory database.
> > >
> > > Basically I have two directory servers and they're
> configured using
> > > multi-master replication scheme.
> > >
> > > When I reinitialize the directory database, the
> directory became
> > > inaccessible. I think it is related with my multi-master
> > replication
> > > setup because when I use only reinitialize one LDAP,
> it would work
> > > just fine
> > >
> > > My question is if multi-master replication is enabled
> on two LDAPs
> > > then do I need to reinitialize both LDAPs at the same
> time or
> > just one
> > > LDAP?
> > If you use one master (m1) to re-init the other master
> (m2), you
> > do not
> > need to then use m2 to re-init m2.
> > >
> > > Thanks!
> > >
> > > - David
> > >
> > > On Fri, May 14, 2010 at 4:42 PM, Chun Tat David Chu
> > > <beyonddc.storage at gmail.com
> <mailto:beyonddc.storage at gmail.com>
> <mailto:beyonddc.storage at gmail.com
> <mailto:beyonddc.storage at gmail.com>>
> > <mailto:beyonddc.storage at gmail.com
> <mailto:beyonddc.storage at gmail.com>
> > <mailto:beyonddc.storage at gmail.com
> <mailto:beyonddc.storage at gmail.com>>>> wrote:
> > >
> > > Reinitializing the directory database does the
> trick! I'm going
> > > to do more testing on it.
> > >
> > > Thanks a lot!
> > >
> > > - David
> > >
> > >
> > > On Fri, May 14, 2010 at 1:43 PM, David Boreham
> > > <david_list at boreham.org
> <mailto:david_list at boreham.org> <mailto:david_list at boreham.org
> <mailto:david_list at boreham.org>>
> > <mailto:david_list at boreham.org
> <mailto:david_list at boreham.org> <mailto:david_list at boreham.org
> <mailto:david_list at boreham.org>>>>
> > wrote:
> > >
> > > On 5/14/2010 11:40 AM, Chun Tat David Chu wrote:
> > > >
> > > > We use 389 Directory as part of our
> development lab.
> > Every
> > > time when
> > > > we do a new test, we need to repopulate our 389
> > directory to
> > > a clean
> > > > slate (i.e. delete all existing data and
> re-create a base
> > > hierarchy
> > > > tree).
> > > >
> > > > Our current way of doing so is simply using
> the ldapdelete
> > > command to
> > > > remove all existing data and use ldapadd to
> re-create
> > the base
> > > > hierarchy tree. This approach is okay but
> sometime it
> > could
> > > take up
> > > > to 20 to 30 minutes to delete all existing data
> > depending on the
> > > > amount of data saved in the directory.
> > > >
> > > > Is there a more efficient way to repopulate
> the 389
> > Directory?
> > >
> > > Yes. Import an almost empty LDIF file. You can
> also copy the
> > > on-disk
> > > database underneath a server (when it is shut
> down), if you
> > > know what
> > > you're doing.
> > >
> > > --
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> > >
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> > >
> > >
> >
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