Re: Migrating from cyrus 2.4.x to 2.5.x

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On Mon, January 18, 2021 03:48, chose via Info wrote:
> Hi,
>
>
> now we've mail server with cyrus 2.4.x, and I plan new server with cyrus 2.5.x . New cyrus uses
> new database format (skiplist->twolist). If I rsync all files (configs, quotas, user's mailboxes)
> to new server and start cyrus service, does it recostruct automaticaly all databases to new format
> or I have to do it my own ?

I did just that with a test server and the metadata was upgraded when a mailbox was accessed. No issues but it was a very small test. Not willing to go past that with 1000's of mailboxes yet.

> Are there some others issues while migrating from 2.4.x to 2.5.x ?

It has been reported that squatter dumps core when indexing mailboxes with many messages where many is 10K.

John Capo


> 
> 
> Thanks and best regards
> 
> J.Karliak



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