I tried that a week or so ago, with a 'dsync -R backup', but got the funny named directories, so I read more and am trying the 'dsync mirror' which doesn't require the -R.
How long does the sync step take for you? (Normalize to # of messages..) Bob G On Apr 5, 2013, at 13:48, Ken A <k...@pacific.net> wrote: > I've found that when going in one direction, using "backup -R" rather > than mirror, works better. I'm going from mbox to sdbox, but doing > roughly the same thing you are, rsync and then dsync. > > Ken A. > > On 4/5/2013 10:40 AM, Bob Gustafson wrote: >> >> I'm moving/converting email from one system to another >> >> The source system is: >> Dual core x86_64 >> 6GB memory >> 180 GB raid1 disks ext4 >> Fedora 9 >> Dovecot 1.0.15 >> Maildir format >> >> The destination system is: >> Dual core x86_64 >> 2GB memory >> 1TB raid1 disks ext4 >> Fedora 18 >> Dovecot 2.1.15 >> sdbox format >> >> I am moving mail in a series of steps: >> >> 0) cd ( to mail user home directory ) >> mkdir Maildir >> >> 1) # rsync mail from source system (hoho4) to current (hoho0) >> time rsync -arv --times hoho4:/home/bobgus/Maildir/ /home/bobgus/Maildir/ >> >> This step takes about 37 minutes the first time >> >> 2) # dsync mirror/convert to sdbox format on current system >> time dsync mirror maildir:~/Maildir >> >> This step takes about 858 minutes (!!) >> >> Looking at -D messages indicates that dsync is deciding between >> duplicates much of the time. >> >> Looking at the results in a mail browser (Evolution), it seems fine, >> although the latest mails are not there. >> >> 3) # pick up more current mail - use same script as in 1) >> time rsync -arv --times hoho4:/home/bobgus/Maildir/ /home/bobgus/Maildir/ >> >> This step takes about 5 minutes although this varies depending on the >> amount of new mail. >> >> 4) # repeat the 2) dsync step >> time dsync mirror maildir:~/Maildir >> >> This is where things look peculiar. When I look at the directory of >> sdbox/mailboxes, I see duplicated directories >> >> [bobgus@hoho0 sdbox]$ cd mailboxes >> [bobgus@hoho0 mailboxes]$ ls >> Apple Mail To Do >> Apple Mail To Do_2a47983780615e5179600000ba55d82c >> Deleted Messages >> Deleted Messages_2847983780615e5179600000ba55d82c >> Drafts >> Drafts_2447983780615e5179600000ba55d82c >> Important >> Important_2947983780615e5179600000ba55d82c >> INBOX >> INBOX_1547983780615e5179600000ba55d82c >> Sent >> Sent_2547983780615e5179600000ba55d82c >> Trash >> Trash_2747983780615e5179600000ba55d82c >> >> The 2nd dsync step has not completed yet. I'm wondering whether the >> extra directory will be magically moved into the older directory. >> >> (This is unlikely because the file names are duplicated in the new >> directory) >> >> ------- >> >> Is this expected behavior? Are there command changes I can make to speed >> up the process? Eliminate the duplicate directories? >> >> >> >> > > -- > Ken Anderson > Pacific Internet - http://www.pacific.net
