On Wed, Sep 26, 2007 at 11:46:08AM -0500, Chris Harms wrote: > Hello, > > We will be migrating our cyrus server from x86 to x86_64 for an interim > period and then likely returning to x86 after some time. We will be > upgrading from 2.2.x to 2.3.x as well, and I am wondering if there is a > way to preserve the per mailbox databases, specifically the seen state? > I have run through a test of this process once without luck retaining > the information. Is there a way to do this moving to x86_64 and then > likewise moving back to x86? You can always dump and restore the seen state using cyr_dbtool, though that's a fair bit of work! Amazing how much isn't hard work once you have a tested script to do it for you though :)[0] There are also a couple of fields (e.g. QUOTA information, MODSEQ) in the cyrus.index file which if you've got values higher than 2^32 in them will change value when you switch back to 32 bit. Bron. [0] and it looks like you've actually tested that your process will work before committing to it, which puts you ahead of 90% of the IT shops out there! ---- Cyrus Home Page: http://cyrusimap.web.cmu.edu/ Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html