Hi Rod, We have other reasons for keeping the TTL short, as the zones have other information that needs "bulk changing".
I assume then that when the mail servers are offline, all other servers will "hold and retry"? (Which RFC is that?? :) Thank you. Marc > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:IMail_Forum-owner@;list.ipswitch.com]On Behalf Of Rod Dorman > Sent: Friday, November 15, 2002 5:31 PM > To: [EMAIL PROTECTED] > Subject: RE: [IMail Forum] Migration Plan > > > Marc Funaro wrote: > > ... > > MIGRATION PLAN: > > ============= > > 1. Completely shut down all iMail services on current server. > > > > 2. Change all DNS zones of all clients so that the new IP > address of > > the mail server is distributed by the DNS servers, > verify that all > > slave servers immediately synchronize with primary dns. > > > > 3. Back up entire server per > http://support.ipswitch.com/kb/IM-19980116-JB11.htm. > > > > 4. Restore entire server, on new box at new datacenter > > > > 5. Configure iMail on new box, for new IP address of the > new box it's on. > > > > 6. Start new mail server > > > > 7. Increase TTL after testing is complete > > > > My only thought is that step (2) should actually happen > after step 6 (?). > > Between steps 1 and 6 it doesn't matter what address is received since > neither your old or new server will be responding. > > As to step 7, there's no need to delay restoring TTL to its normal > value (i.e. do it as part of step 2) unless you want to allow for a > fallback option of bringing the old server back on line. > > -- > [EMAIL PROTECTED] "The avalanche has already started, it is too > Rod Dorman late for the pebbles to vote." � > Ambassador Kosh > > > To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html > List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/ To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/
