On 1.3.2011, at 18.57, li...@truthisfreedom.org.uk wrote: > Quoting Ed W <li...@wildgooses.com>: >> Hi, don't have an installation of anything approaching your size. >> However, I do regularly see folks missing out on the idea that its >> reasonably straightforward to have both Dovecot (old) and Dovecot (new) >> versions running at the same time and migrate users over slowly rather >> than in a big bang? > > Yeah, we're actually now thinking that we should create a new cluster running > dovecot 2.0, mount the existing control/maildir files from the current shared > storage and then regenerate the indices before going live - would that work > here? I'm struggling to find anything in the docs that state the control > files will be affected by the upgrade.
v2.0 will read v1.x indexes just fine, no need to do any regeneration. (But v2.0 indexes can be read only by v1.2.5+.)