Re: Rolling upgrade of multiple servers

Rich Megginson <rmeggins@xxxxxxxxxx> · Thu, 31 Jan 2013 08:03:36 -0700



    On 01/31/2013 07:05 AM, Bright, Daniel wrote:
    
      
        Hello,
         
        I am performing a rolling upgrade of my
          389-ds servers in my environment. Currently they are running
          version 1.2.5 of directory server, and 1.1.10 of
          administration server on 32-bit hardware. Currently I have 6
          servers using MMR replication and I am planning on replacing
          the servers one at a time, upgrading from OEL5 32-bit to OEL6
          64-bit and to version 1. 2.10.2 of directory server. Until the
          upgrades are completed, there will be a period of time where I
          have mixed servers, some 32-bit 1.2.5 and some 64-bit
          1.2.10.2. I have done this in a test environment with 4 vm’s,
          and was able to detach a server from the MMR group, and then
          re-attach and initialize the new server successfully, with
          replication of the userRoot working seemingly fine. However,
          there are two issues I have noticed:

          
          1 – any schema changes made on either the new servers or the
          old ones will not replicate over.
      
    
    schema changes made over LDAP?  Yes, schema replication is tricky
    because it is "single" master.

    
        2 – When I view the attributes tab on
          389-console on the new 64-bit server, all attributes appear
          under “Standard Attributes”, however when I view the
          attributes tab on the 32-bit servers, about half of these are
          under the “User Defined Attributes” section. I have an idea of
          why this is but I want to hear someone else’s opinion on it
          first.
      
    
    User defined attributes are attributes that have been added via LDAP
    (or the console which uses LDAP).

    
        Also, if anyone has done this before and
          would like to share any issues they ran into I would be
          grateful. I’m wondering if the schema replication issue will
          go away once all servers are using 1.2.10.2.
         
        Thanks in advance.
      
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