Howard Chu wrote:

> Bannister, Mark wrote:

> > Hi,

> >

> > I’m using the unique overlay on OpenLDAP 2.4.30 on Solaris 11.3 like this:

> >

> > overlay unique

> >

> > unique_uri

> > ldap:///ou=Ethers,dc=mydomain,dc=com?macAddress?sub?objectClass=ieee80

> > 2Device

> >

> > to force the macAddress to be unique.

> >

> > This works well, except if I attempt to swap the macAddress between

> > two entries in a single LDAP modify operation, like this:

> >

> > dn: cn=host1-eth0,ou=Ethers,dc=mydomain,dc=com

> > changetype: modify

> > replace: macAddress

> > macAddress: <current host1-eth1 value>

> >

> > dn: cn=host1-eth1,ou=Ethers,dc=mydomain,dc=com

> > changetype: modify

> > replace: macAddress

> > macAddress: <current host1-eth0 value>

>

> That's two separate modify operations, not a single operation.

 

Well it's the only way I know to swap the macAddress with a single ldapmodify command.

 

> > I get:

> >

> > ldap_modify: Constraint violation (19)

> >         additional info: some attributes not unique

> >

> > Is there a way to swap two values without tripping this error?

>

> Seems unlikely. Why don't you rename the entries instead?

 

Yes I suppose that's the only way to do this.  Thanks for the suggestion.  The LDIF has been automatically generated by the ldifdiff.pl script, I'll approach the author to see if it’s a change that could be made easily.

 

Thanks,

Mark.

 




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