Re: Schema upgrade and a little error in wiki

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On 04/02/2012 09:29 AM, Roberto Polli wrote:
Hi Rich|All,

= Stuff 1 =
I'm planning a schema upgrade on a platform with 4 ds. The schema is on a
98myschema.ldif.

I got 2 MMR on backend and 2 replica on FE.

On RH documentation I read to:
  - upgrade all masters;
  - then upgrade slaves;
  - lately restart.
Yes.  This is the recommended procedure.


This approach seems to lead to some service discontinuity, as - during this
migration - I should stop writes to all master/slaves.
Why?

How would you do it?

= Stuff 2 =

I found a possible  typo  here:
http://directory.fedoraproject.org/wiki/Dynamically_Reload_Schema

The following command doesn't write out the schema
# ldapsearch -D "cn=Directory Manager" -w password -b "cn=schema" -T
"(objectclass=*)"

you need to specify the attributes, eg:
# ldapsearch ... -b "cn=schema" -T "(objectclass=*)" "*" objectclasses

Does it happen to you too?
Yes. I have fixed the wiki page. The problem is that the attributes in cn=schema such as attributetypes, objectclasses, matchingrules, etc. are now operational and must be specified explicitly on the ldapsearch command line.

Thx+ Peace,
R.


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