On Wed, Oct 29, 2014 at 5:28 AM, Paul Simpkins <[email protected]> wrote:
> Kiran > 3 and 4 wont be running though. They will only be started when data > center 1 goes down. > Also where do I configure the different locations ? > ok, no, one server can only write to one location > On 28 Oct 2014 21:15, "Kiran Ayyagari" <[email protected]> wrote: > >> >> >> On Tue, Oct 28, 2014 at 10:08 PM, Paul Simpkins < >> [email protected]> wrote: >> >>> Hi all, >>> I've managed to bring up my ApacheDS (2.0) servers in Multi Master >>> config - and they are happily replicating between each other (LDAP1 and >>> LDAP2). This has given me my HA solution. >>> I now want to introduce the DR aspect of the solution, with a second >>> data centre that is running dark. >>> >>> Initially I thought to just use Multi Master across the 4 machines (LDAP >>> 1, 2 3 and 4) but as the second data centre is only meant to be used in DR >>> circumstances, then this solution doesn't really fit. >>> >>> So my idea is the following. >>> Keep Multi Master configured across LDAP 1 and 2. >>> Each LDAP server to write it's store to a shared disk. A different >>> location for each server.(/instances/default/* >>> Install the ApacheDS server on LDAP3 and LDAP4. (machines are mirrors of >>> LDAP 1 and 2) >>> When DR occurs it will start machines LDAP 3 and 4 >>> Start ApacheDS on LDAP3 and LDAP4 - with the idea to 'use' the data that >>> is on the shared disk. >>> >>> Is this viable ? Is it possible to move the 'store' of an already >>> running server to a different place ? >>> >>> it is possible, however I suggest to configure 3 & 4 as slaves of 1 & 2 >> and write to a different location >> (on a different disk, if possible) >> >>> Regards >>> Paul >>> >>> >>> >> >> >> -- >> Kiran Ayyagari >> http://keydap.com >> > -- Kiran Ayyagari http://keydap.com
