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On Tue, 12 Feb 2013, David Mehler wrote:
Thanks, if I did:
rsync --force --delete-after -tPrlHpogEAXz /folder/ /backups/newmailstore/
could I then tar up the newmailstore folder with something like tar
zcf without messing anything up?
keep in mind, that the backup of the Maildir with rsync is no 100%
consistent snapshot, because of the filename renames; otherwise: yes.
On 2/12/13, Steffen Kaiser <skdove...@smail.inf.fh-brs.de> wrote:
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On Mon, 11 Feb 2013, Reindl Harald wrote:
Am 11.02.2013 22:37, schrieb Steve Litt:
On Mon, 11 Feb 2013 21:47:57 +0100
Reindl Harald <h.rei...@thelounge.net> wrote:
Am 11.02.2013 21:34, schrieb David Mehler:
I'm having to migrate servers. Both are dovecot2 systems. I'm
wanting to copy over my mail store from one system to the other.
I'd like to preserve dates/times of emails. These are maildir
setups on both boxes, I'd like to be as transparent to the end user
as possible. I currently have the first dovecot system offline and
the second dovecot system is offline.
assuming that BOTH servers are down as fro any other transfers
like mysql-datadirs and any critical things which should go
save and fast by preserve attributes:
rsync --force --delete-after -tPrlHpogEAXz /folder/
root@newserver:/folder/
# -z compress
# -t timestamps
# -P progress
# -r recursive
# -l links
# -H hard-links
# -p permissions
# -o owner
# -g group
# -E executability
# -A acls
# -X xtended attributes
That's how I'd do it also. I think if you didn't mind including -D,
which from my understanding is --special and --devices, neither of
which I'd expect in a maildir, and if you wanted to do your deletion
manually after the fact, would this be equivalent?
well, i have them ususally in my "rsync.sh" but did not expect
such files in a maildir, but yes it does not hurt
rsync -PaHAX /folder/
The man page says -a (--archive) is equivalent to -rlptgoD, and you
have all but D listed up there.
My thinking on later manually deleting the old maildir, instead of
letting rsync do it, is that if somehow, some weird thing goes wrong, I
have the old one for backup. Who knows, maybe I copied the thing on top
of the wrong other maildir and have to back it out -- I'd have the old
maildir as a reference of which files.
you missunderstand "--delete-after"
this is for delete files in the TARGET folder which is not
or no longer in the source and IMHO very very important
if you want sync folders 1:1 because old artefacts can have
very bad effects
without you merge folders and if i know "hey my source contains
exactly what i need, not more and lot less" this is not what i
would like and never did in 10 years IT
If you use "--delete-after" you could add "--fuzzy", which theoretically
could save transfers because of filename renames.
Anyway: Any form of "--delete" is required for Maildir, IMHO, because
Labels, Tags, Keywords (or whatever the MUA calls it) and status
information (seen, read, deleted) are reflected by the filename. Hence, if
one does not "--delete", the _same_ message might pop up in the Maildir
multiple times but with different status and/or tags. Same applies to new
messages, because they are storred in <maildir>/new and later moved to
<maildir>/cur. So one ends with the same message in "new" and in "cur".
- --
Steffen Kaiser
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- --
Steffen Kaiser
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