Re: [389-users] Read data immediately after write

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I want to achieve chaining between a master and slave having exactly same OUs and are based on OpenLDAP 2.3.

What would be the configuration to achieve that?

Regards,
Ankur

Sent from my iPhone

On Oct 14, 2009, at 1:55 AM, Rich Megginson <rmeggins@xxxxxxxxxx> wrote:

Ankur Agarwal wrote:
Thanks Rich...Would it be possible for you to share some configuration details to achieve this for OpenLDAP version 2.3?

To achieve what exactly for OpenLDAP 2.3?  Chain from 389 to OpenLDAP?

Cheers,
A

--- On *Mon, 10/12/09, Rich Megginson /<rmeggins@xxxxxxxxxx>/* wrote:


   From: Rich Megginson <rmeggins@xxxxxxxxxx>
   Subject: Re: [389-users] Read data immediately after write
   To: "General discussion list for the 389 Directory server
   project." <fedora-directory-users@xxxxxxxxxx>
   Date: Monday, October 12, 2009, 10:47 AM

   Ankur Agarwal wrote:
   > Can i use chaining between master-slave without having different
   "ou"?
   > I mean if i have exactly same directory structure and same set
   of OUs
   > can i still have chaining between master and slave?
   >
   Yes.
   >
   > Cheers,
   > Ankur
   >
   >
   > --- On *Thu, 10/8/09, Michael Ströder /<michael@xxxxxxxxxxxx
   <http://us.mc589.mail.yahoo.com/mc/compose?to=michael@xxxxxxxxxxxx>>/*
   wrote:
   >
   >
   >     From: Michael Ströder <michael@xxxxxxxxxxxx
   <http://us.mc589.mail.yahoo.com/mc/compose?to=michael@xxxxxxxxxxxx>>
   >     Subject: Re: [389-users] Read data immediately after write
   >     To: "General discussion list for the 389 Directory server
   >     project." <fedora-directory-users@xxxxxxxxxx
   <http://us.mc589.mail.yahoo.com/mc/compose?to=fedora-directory-users@xxxxxxxxxx>>
   >     Date: Thursday, October 8, 2009, 1:38 AM
   >
   >     Ankur Agarwal wrote:
   >     >
   >     > I have a master-slave set-up with write operations always
   being
   >     done to
   >     > the master node. Now there is an issue where i need to
   read some
   >     data
   >     > immediately after write, and my read request goes to the
   slave.
   >     It fails
   >     > in cases when replication hasnt happened from master to
   slave before
   >     > this read operation.
   >
   >     You simply should not do that. Read from the master if you
   have to
   >     rely on the
   >     consistency of what you recently wrote to the master.
   >
   >     > Is there a LDAP level configuration to handle this situation?
   >     > Can chaining help in this case?
   >
   >     No. (Except chaining the read requests of the writing client to
   >     the master
   >     which you don't want I guess).
   >
   >     Ciao, Michael.
   >
   >     --
   >     389 users mailing list
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   <http://us.mc589.mail.yahoo.com/mc/compose?to=389-users@xxxxxxxxxx>
   >        <http://us.mc589.mail.yahoo.com/mc/compose?to=389-users@xxxxxxxxxx>
   >     https://www.redhat.com/mailman/listinfo/fedora-directory-users
   >
   >
   >
   ------------------------------------------------------------------------
   >
   > --
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   > 389-users@xxxxxxxxxx
   <http://us.mc589.mail.yahoo.com/mc/compose?to=389-users@xxxxxxxxxx>
   > https://www.redhat.com/mailman/listinfo/fedora-directory-users
   >   


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