Re: Back to KDEPIM 1 and KDE SC 4.8.4 due to repeated mail data loss
Did you check to see if the message was still on the server after it vanished
locally?
I wonder if they started assuming local is a cache?
Diane
On Wednesday, April 17, 2013 00:07:40 Martin Steigerwald wrote:
> Hi!
>
> I am back to KDEPIM 1 aka 4.4.11 and KDE SC 4.8.4 from Sid.
>
> Reason? Data losses.
>
> [Akonadi] [Bug 318227] New: Data loss on restarting Akonadi to get it
> responsive again
> https://bugs.kde.org/318227
>
>
> [Akonadi] [Bug 318290] New: Empty mails: AkonadiAgentServer(4890)/libakonadi
> Akonadi::ResourceBase::itemRetrieved: Item does not provide part
> "HEAD"/"RFC822"
> https://bugs.kde.org/318290
>
>
> And finally the thing were I had enough of it:
>
> [Akonadi] [Bug 318444] New: data loss in maildir resource: Mails that were
> accessible disappeared and are not visible in maildir directory anymore
> https://bugs.kde.org/318444
>
>
> KMail 2 / Akonadi lost mails from debian-kde mail folder while I was
> *reading* it. I never saw something like this with any mail application I
> ever used.
>
> I had this running on BTRFS, and due to a BTRFS problem with scrubbing I
> cannot fully prove that my BTRFS /home filesystem is correct. But I do think
> that it is no issue with BTRFS since the rsync based backup worked nicely.
> But the scrubbing does not complete right now and gives a kernel backtrace.
>
>
> Sorry, but I think my first head up were premature.
>
>
> Here is how I went back:
>
> 1) I had some discussion with Debian´s package management that I do not
> really remember in full. It basically went down to:
>
> dpkg --force-depends --purge $( dpkg -l | grep 4.10.2 | awk '{print $2;}' )
>
> before trying to install old KDE SC and KDEPIM again.
>
>
> 2) Restore maildir from backup:
>
> merkaba:/mnt/home-zeit> rsync -a -AHXS -P --del martin-Mail-2013-04-11/
> /home/martin/Mail/
>
>
> 3) Restore exact matching kmailrc from backup:
>
> martin@merkaba:~/Backup/KDEPIM-1/Konfigurationsdateien> cp -p kmailrc
> ~/.kde/share/config/kmailrc
>
> I didn´t do this initially, since I thought KMail 2 uses a new config file
> kmail2rc and the old one would remain unaltered. Well was altered and KMail
> 1 tried to check all of its index files and it took ages.
>
>
> 4) Then I had KMail download about 60 MB and 6000 mails from last 5 days
> from my Dovecot POP3 server. This worked cause I configured KMail2 / Akonadi
> to keep mails on server for 7 days.
>
>
> Only thing that doesn´t work right now is my CRM114 spam filter integration.
> Whyever.
>
>
> I did not try what happens with IMAP accounts, but at least with POP3 I am
> quite sure that I had data losses. So be careful.
>
> I would have kept testing KDEPIM 2 despite the other about 10 bugs I
> reported which were are about performance issues - on an ThinkPad T520 with
> Intel Sandybridge i5 with 2,5GHz and 8 GB of RAM and 300 GB Intel SSD 320! -
> and some other oddities, but these repeated mail data loss were
> unacceptable for me.
>
> Ciao,
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