Re: Migrate SASLDB2 to a new server

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Thanks for your answer.


  • Is there a way to check the flags used during the compilation of cyrus-sasl package?

I simply installed the package from the repository (yum install cyrus-sasl) but I guess this install only supports Berkeley DB…


  • I read the database recommended format is Berkeley DB; is there a tool or script available that can accomplish the conversion (gdbm -> berkeley)?





From: Cyrus-sasl <> on behalf of Ken Murchison <murch@xxxxxxxxxxxx>
Date: Friday, September 22, 2017 20:27
To: <cyrus-sasl@xxxxxxxxxxxxxxxxxxxx>
Subject: Re: Migrate SASLDB2 to a new server


You have 2 options:

- Make sure that SASL on the new machine is compiled to use gdbm for sasldb

- Find a tool to migrate your gdbm database to whatever format SASL on the new machine expects


On 09/22/2017 02:37 AM, Olivier wrote:

I’m trying to migrate my database to a new Linux server (CentOS 6.9 x64).


Old Server: Cyrus SASL 2.1.18 

New Server: Cyrus SASL 2.1.23


I copied the database from the old server to the new server: /etc/sasldb2


But when I execute sasldblistusers2 I get below error:

/etc/sasldb2: unexpected file type or format

listusers failed


# file /etc/sasldb2

/etc/sasldb2: GNU dbm 1.x or ndbm database, little endian


Is there anything I’m missing? Is there a specific procedure to migrate the database to a new server?





Kenneth Murchison
Cyrus Development Team
FastMail Pty Ltd

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